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Breaker Tripping With Nothing Plugged In (Why & How to Fix)

When we think of a circuit breaker that keeps tripping, common wisdom would be that you’re dealing with a home that’s using up too much energy. So, if it’s happening to you, you might unplug some stuff. But, sometimes, the breaker just will keep tripping regardless of how much stuff you unplug. Clearly, it’s not energy consumption anymore. So, what gives?

A circuit breaker can trip when there is nothing plugged in if there is a ground fault or the circuit breaker is outdated. Damaged wires within the circuit breaker can cause it to keep tripping for no reason. The average circuit breaker lasts for 35 years, and they can trip with nothing plugged in when they are over 30 years old.

Circuit breakers are necessary to prevent electrical problems, expensive damage, and most importantly fires. It can be alarming when your circuit breaker keeps tripping when there is nothing plugged in. Follow along as we explore what it means when your circuit breaker trips for no apparent reason.

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Why Would A Circuit Breaker Trip Without Anything Plugged In?

A breaker is meant to break electrical currents due to an overload, so it really shouldn’t be breaking without anything plugged in. This means that you might be dealing with an electrical issue regarding the breaker. This can be potentially dangerous, so it’s important to troubleshoot this as soon as possible, and call an electrician to fix it.

Troubleshooting Your Circuit Breaker

So, you already know that you’ve got a breaker that’s not doing what it’s supposed to do. What should you do now? The answer, clearly, is that you are gonna have to troubleshoot your circuit breaker . Here’s how to do it:

• Before anything else, check to see that you don’t have anything that could be causing the breaker to trip.  If your breaker’s tripping is related to two rooms, check to see that it’s not your DJ equipment or extra-large entertainment set up in the next room that’s causing it.
•  Check the input wires for damage.  If you notice that they’re frayed or have reason to believe that their movement is causing the breaks, call an electrician. You need to get the input wires replaced or fixed.
• Reset the breaker. Remove all connected items in your room from their plugs and reset your breaker. If it breaks again, then there is an issue that you have to fix.
• Keep an eye out for signs of a short circuit, fuse issue, or ground fault. When you’re dealing with a short circuit, you might notice a burn mark or a smell near an outlet. With a ground fault break or fuse issue, you may have a problem with wiring overheating or being exposed to water. If you believe you have an issue with this, give an electrician a call.
• If all else fails, you have a faulty breaker.  Even circuit breakers will eventually need to be replaced. They will eventually go bad. If you can’t find anything else wrong, it’s time to get a new circuit breaker. If you’ve had your circuit breaker for a very long time, it’s possible that your breaker just ran its course and needs to be replaced.

However, there are several problems that range from a ground fault to an outdated circuit breaker that you need to consider. Let’s take a look a the most common reasons that your circuit breaker keeps tripping when nothing is plugged in.

Ground Fault

A ground fault, or earth fault, is when an active wire touches the earth . Ground faults occur when a wire and the ground interact and overload the circuit breaker with the current. There is no resistance or restrictions with the earth, so an unrestricted flow of current goes through the wire and to the circuit breaker.

A ground fault is similar to a short circuit because the current bypasses the circuit wiring . The reaction from a ground fault is immediate, and the circuit will immediately flow uncontrollably. Between the lack of resistance and increased current flow, a ground fault can trip your circuit breaker and potentially damage it permanently.

Electricians treat a ground fault differently than a short circuit, but both problems require a fix. Ground faults are dangerous to fix or come into contact with, and there is potential for electrical shock.

Outdated Circuit Breaker

Circuit breakers have a lifespan just like any other key electrical fixture in your home. The average circuit breaker lasts for 35 years , but they can last for up to 40 years. You can generally tell that your circuit breaker is outdated when it acts up, and old breakers often trip when nothing is plugged in.

Worn breakers are less conductive and reliable, and they are often difficult or impossible to reset . Old circuit breakers produce a distinct burning smell that can be alarming. The voltage and current strength on an outdated circuit breaker are unpredictable and fluctuate wildly.

If your circuit breaker is nearly 30 years old and often feels hot, it is likely outdated . Replace your old circuit breaker if it frequently trips with nothing plugged in after you reset it

Old homes have different wiring configurations than modern homes, and that can affect your circuit breaker. Generally, old homes have circuit breakers that work via a single circuit. A single circuit is not enough to keep up with the electrical demands of modern homes .

Homes that are 40-50 years old or older likely have single circuit units that affect multiple outlets and even rooms. Your circuit breaker can trip even if there is nothing plugged in if you have an old home with outdated wiring and an underpowered single circuit system. The only solution, in this case, is to replace your circuit breaker and update your wiring.

Short Circuit

Similar to a ground fault, a short circuit occurs when the electrical flow goes through a short path that it wasn’t supposed to . A short circuit can easily occur if the insulation on a wire is damaged and leaves them exposed. The most common cause for a short circuit is when multiple wires become exposed and touch each other.

The current essentially takes a shortcut instead of going through the circuit wiring. Short circuits cause a massive spike in current flow that overloads the circuit breaker and causes it to trip. It is good that your circuit breaker trips during a short circuit because that can prevent expensive and harmful damage.

Lamps, electric space heaters, and plug-in appliances commonly cause short circuits. Luckily, modern devices generally have well-insulated wires to prevent short circuits. However, a short circuit can happen when nothing is plugged in because the breaker’s wires themselves can cause a short.

Damaged Wires

The wires inside of and connected to a circuit breaker are well-protected, but they can still succumb to damage. Wires are covered with insulation that can melt over time and leave them vulnerable to damage. You should be concerned if you have a damaged input wire because that can be dangerous to touch or work with .

A damaged wire can cause a current leak and your circuit breaker will trip when it recognizes it. This is a safety precaution and prevents the current from going where it shouldn’t and causing a bigger problem. It is ideal to hire a professional electrician to repair damaged wires in your circuit breaker because it is complicated and potentially dangerous.

How Much Does It Cost To Replace a Circuit Breaker?

It costs an average of $1,250 to replace an entire circuit breaker box . However, you can expect to pay $1,800 or more for an upgraded circuit breaker box, but it may be worth the added safety. Replacing single switches on a circuit breaker is much cheaper and that generally costs $45 per switch .

You can spend as little as $205 to replace an AFCI circuit breaker in some cases, but it can cost $280 or more. It is worth the cost to replace a circuit breaker because it is difficult and dangerous to replace one without professional help. However, you need to refer to local building codes if you replace your circuit breaker as a DIY project to save money.

Can You Replace A Circuit Breaker On Your Own?

Technically, most people would agree that this could be a DIY job. However, I’m a little skeptical. With electricity, working on it without much knowledge of what you’re doing is a lot like trying to shoot an arrow up in the air and hope that it won’t hit anything. You might be fine, but you might not be.

If you choose to go the DIY way, just make sure that your local building codes allow you to do this. Many cities now require all electrical work to be done through the use of a certified electrician. So, if you aren’t sure, check with your local municipal office to find out whether DIY is an option.

Related Questions

How long do circuit breakers last.

Circuit breakers last for an average of 35 years , but they can last for up to 40 years. You can tell that you need to replace your circuit breaker if it won’t hold a reset or you notice a burning smell coming from it. Generally, circuit breakers become less conductive when they are old and trip more often.

Why does the circuit breaker trip when lightning strikes

A circuit breaker can trip when lightning strikes because it detects the thousands of amps that come from it . The current from a lightning strike is overwhelming and would overload your home’s electrical grid. It can trip even if the lighting doesn’t touch your house because a circuit breaker can detect the current in the earth or air.

Ossiana Tepfenhart is an expert writer, focusing on interior design and general home tips. Writing is her life, and it's what she does best. Her interests include art and real estate investments.

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• How To's & Quick Tips

Why Is My Circuit Breaker Tripping? 4 Potential Problems and Solutions

Learn the proper way to figure out reasons for a circuit breaker tripping in a home—as well as when to let an electrician do the sleuthing..

By Glenda Taylor and Bob Vila and Evelyn Auer | Updated Dec 15, 2023 4:16 AM

We may earn revenue from the products available on this page and participate in affiliate programs.

Photo: istockphoto.com

Q: Every few hours—sometimes minutes!—my living room and one side of my kitchen lose electrical power. I’ll check the breaker panel and, sure enough, a circuit breaker has tripped…again. Should I call an electrician, or is there a simple DIY fix I can try first?

A: While it’s frustrating when a circuit breaker keeps tripping, they are important safety mechanisms. Designed to shut off the electrical current when something goes wrong, circuit breakers are one of the best ways of protecting a home from an electrical fire. “When a circuit breaker trips, typically it is because we use too much electricity, which causes it to overload and turn off,” says Christopher Haas, expert electrician and owner of Haas & Sons Electric in Millersville, Maryland. For those who need an electrical panels 101 refresher course or aren’t sure how to reset circuit breakers, each breaker has an on/off switch and controls a separate electrical circuit in the home. When a breaker trips, its switch automatically flips “off,” and it must be manually turned back on to restore electricity to the circuit. For those wondering, “Is it dangerous if a circuit breaker keeps tripping?” the answer is that it can be, depending on the source of the problem. An electrician can ultimately deal with the root issue, but a little sleuthing will reveal whether it’s something that’s easily remedied.

In many cases, the cause of a circuit breaking tripping is an overloaded circuit.

A circuit overloads when more electrical current is being drawn through the wires than they can handle, tripping the circuit breaker. If this happens, there may be a few additional signs:

• Buzzing noises coming from outlets
• Devices charging slowly
• Electrical outlets not working
• Flickering lights
• Scorch marks on outlets and light switches

If a circuit breaker keeps tripping in one room, homeowners can test for circuit overload by turning off all the switches in the affected area and unplugging all appliances and devices. After the breaker is flipped back on, the devices can be turned back on one at a time, with homeowners waiting a few minutes in between to see if the circuit remains on. If the breaker trips before all the appliances are turned on, the experiment can be repeated, this time turning them on in a different order. It may be necessary to do this several times to find out how many appliances can be operated at once before the circuit overloads.

“As a short-term solution, you can unplug unnecessary appliances to prevent tripping circuit breakers. You may still get some trips, but you can limit them by unplugging devices that you don’t need to use,” advises Dan Mock, vice president of operations at Mister Sparky , an electrical company with 90 locations in the U.S. The best long-term solution, however, is to pay an electrician for the cost to rewire the house and add additional circuits. The cost to replace an electrical panel is about $1,274 on average.

Other times, the issue may be caused by a short circuit.

A “short” circuit means that two wires that should not be coming into contact are inadvertently touching, triggering a sudden surge of electricity through the wires. A short can occur in an outlet, a switch, or within an appliance if wires are loose or have been chewed through by mice or pets. Some signs of a short circuit include:

• Popping sounds
• Discolored outlets or switches
• Burning smells

Testing to see if an appliance has a short is similar to testing for an overloaded circuit. When an appliance that has a short in its wiring is turned on, it will immediately trip the circuit. Homeowners can also try plugging it into an outlet in a different room. If the breaker for that room trips, there’s a short in the appliance (if it’s unclear what breaker goes to what room, the breaker can be identified with one of the best circuit breaker finders ). Electrical shorts can be a major fire hazard, so it’s a good idea to call a licensed electrician for this circuit breaker repair. It’s wise to stop using the outlet or appliance until a pro takes care of the problem.

Another potential cause of a circuit breaker tripping is a ground fault.

A ground fault occurs when the electricity running through a home’s wiring diverts from the wiring loop and travels to the ground, usually due to faulty wiring or water infiltration in an outlet or switch box. Water is a conductor, which is why walking through puddles is often listed as something not to do in a power outage in case of downed power lines. Once water makes contact with wires, electricity can jump from the wiring loop and follow the water trail. This creates a surge in electricity leading to a tripped circuit breaker. If a person comes in contact with the electricity that is on its way to the ground, this can result in electrocution. Homeowners may notice a few signs of a ground fault, including:

• Tripped GFCI (ground fault circuit interrupter) outlets;
• A burning smell coming from an outlet; and
• Lights flickering.

Newer electrical breakers have features designed to protect against the danger of ground faults. According to Haas, “Ground fault breakers sense electricity going to earth as opposed to going through the wires of the circuit. You’ll find [these] for bathrooms, kitchens, garages, exteriors, and basements.” GFCI outlets are another safety feature that shut off the electric current within a fraction of a second of sensing a ground fault.

If a ground fault is the problem, the cause of the errant water must be discovered and repaired, and any damaged wiring must also be replaced. It’s also a good idea to install GFCI outlets in rooms where water is commonly used. A GFCI outlet costs $210 on average.

Sometimes a bad or worn-out circuit breaker can be the culprit.

In some cases, the circuit breaker itself may be faulty. Breakers that are old, damaged, or were installed incorrectly may trip frequently for no apparent reason. Alternatively, faulty breakers may not trip when they are supposed to, leaving the home at risk of electrical fire. Some signs of a bad circuit breaker include:

• The circuit breaker getting hot and tripping frequently;
• The circuit breaker won’t reset;
• It has been over 10 years since the breaker was last serviced; and
• The breaker has scorch marks.

An important electrical safety tip to keep in mind is that resetting a breaker over and over again can cause what is called an arc flash, which is a small electrical explosion that can be deadly. If resetting the breaker once does not remedy the issue, it’s a good idea for the homeowner to hire an electrician near them who knows how to replace a circuit breaker safely. Mock warns, “Don’t take any chances with circuit breakers. Instead, call a licensed electrician who knows the safe ways to replace breaker boxes, upgrade circuits, and diagnose potential electrical problems in your home.” Wiring a breaker box is a job to leave to an experienced electrician.

A professional electrician can help determine the specific cause of a frequently tripping circuit breaker.

Most circuit breaker problems—aside from those explained in the sections above—will need to be inspected and addressed by a licensed electrician. According to the Electrical Safety Foundation International (ESFI) , each year “thousands of people in the United States are critically injured and electrocuted as a result of electrical fires, accidents, [or] electrocution in their own homes.” While homeowners may be tempted to save on electrician costs by attempting circuit breaker replacement or repair themselves, electrical work is not suitable for casual DIYers. “Yes, you have to pay, but you can save many hours of head-scratching by hiring an electrician. Electricians will also have all the right tools for diagnosing and repairing the circuit,” Haas adds. “Lastly, they will come with a warranty/guarantee should something arise, and they will typically return at no additional cost.”

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6 Reasons Your Circuit Breaker Keeps Tripping with Nothing Plugged In

• 07 Feb, 2018
• Posted by: Circuit Breaker Wholesale

No one likes dealing with a tripped circuit breaker, but usually, it’s just a mild annoyance.

The solution is simple.

You unplug the responsible device(s) and reset the breaker.

Then, everything goes back to normal.

However, if your circuit breaker keeps tripping with nothing plugged in , it can be tough to keep your cool.

Fortunately, the reality of the situation is fairly straightforward.

Once you understand it, you’ll have an easy time restoring your circuit breaker to normal operation.

Why Does My Breaker Keep Tripping with Nothing Plugged In?

Electrical circuit breakers are essential for maintaining the safety and functionality of our electrical systems.

Their purpose is to interrupt the flow of electricity when there is an overload or fault in the circuit. However, it can be baffling and frustrating when a circuit breaker repeatedly trips without any apparent cause, even when no appliances or devices are connected.

Let's discuss potential reasons behind a circuit breaker tripping with nothing plugged in and provide potential solutions.

Here’s the truth: it’s very unlikely that your circuit breaker keeps tripping with nothing plugged in. Unless your building or home has had the electricity completely cut off from it, there is always some amount of load on your breaker.

Troubleshooting a Circuit Breaker that Keeps Tripping with Nothing Plugged In

Let’s look at some possibilities that could be behind your circuit breaker tripping even though nothing is plugged in.

1. Overloaded Circuit

One possible explanation for a circuit breaker repeatedly tripping despite no devices being connected is an overloaded circuit.

Each circuit has a specific capacity, measured in amps, that it can handle. If the combined power demand of all the devices on a circuit exceeds its capacity, the circuit breaker will trip as a protective measure.

To address this issue, it is crucial to assess the number and types of appliances sharing the circuit and redistribute the load accordingly.

2. Something Actually Is Plugged In

While you’ve probably already checked for this a million times, make sure that nothing could be tripping the breaker that you haven’t considered.

You might have a device plugged in outside or in the garage where you’ve forgotten all about it. Maybe there’s a device in another room that you don’t think is on the same breaker.

One way to check for this is to use an electronic circuit breaker finder to map out which outlets are connected to which breakers.

If you don’t want to make that kind of investment, just do a quick check and consider unplugging some devices in the surrounding area just to see if they were actually connected to the breaker in question.

3. A Damaged Input Wire or Faulty Wire

Another potential cause of a circuit breaker tripping without any devices plugged in is faulty wiring.

If you’re sure you’ve checked that first box, the next suspect is a damaged input wire or faulty wire that is causing  current leakage . This problem  could  be dangerous if it wasn’t for your trusty circuit breaker constantly tripping to keep you safe.

Over time, electrical wiring can deteriorate due to wear and tear or other factors. Loose connections, damaged insulation, or short circuits can generate excess heat, increasing the likelihood of tripping the circuit breaker. 

Of course, that doesn’t make it any less annoying.

You’ll need an electrician to come out and chase down the source of the leakage in order to fix it. This isn’t the type of weekend project most people are equipped for in terms of both the expertise and equipment required.

4. Ground Faults

Ground faults occur when the hot wire in an electrical circuit comes into contact with a grounded surface, such as a metal conduit or the grounding wire itself.

Ground faults can cause a circuit breaker to trip, even in the absence of connected devices.

To troubleshoot this issue, it is important to check for damaged wiring, faulty outlets, or improper grounding.

If a ground fault is suspected, consulting an electrician for a thorough examination and appropriate repairs is advisable.

5. Circuit Breaker Malfunction

Finally, you may need to replace your circuit breaker .

In certain instances, the problem may lie with the circuit breaker itself.

Over time, circuit breakers can wear out or become defective, resulting in false trips.

Factors like dust accumulation, excessive heat, or internal component failures can contribute to circuit breaker malfunction.

If there are suspicions of a faulty breaker, seeking guidance from a professional electrician to test, replace, or upgrade the circuit breaker is recommended.

6. Other Factors

Additional factors may contribute to circuit breaker trips, even when no devices are plugged in.

These factors could include:

• power surges
• external environmental conditions (e.g., lightning strikes)
• faulty appliances connected to other circuits in the same electrical panel

In such situations, further investigation is necessary, and the assistance of an electrician should be sought to diagnose and address the underlying issue.

Fixing Your Circuit Breaker So It Quits Tripping with Nothing Pugged In

Encountering a circuit breaker that keeps tripping with nothing plugged in can be perplexing and inconvenient. However, by considering potential causes such as overloaded circuits, faulty wiring, ground faults, circuit breaker malfunctions, or external factors, you can initiate troubleshooting and resolve the problem.

Provided you checked for devices that could be responsible, hopefully, you now have a better understanding of why your circuit breaker keeps tripping with nothing plugged in.

Always remember that electrical work can be hazardous, so it is best to consult a professional electrician to ensure the safety and integrity of your electrical system.

At least by troubleshooting first, you won’t be paying them for nothing. It also shouldn’t take them too long to root out the source of the constant tripping and fix it.

Reasons Why Circuit Breaker Keeps Tripping Without Load

Circuit breakers play an essential role in your home’s electrical system as they monitor the flow of electricity.

Occasional breaker trips are nothing to worry about, but if your circuit breaker keeps tripping, keep reading to find out how to fix it.

The breakers can cause a power outage in your home if they are triggered for some reason. Sometimes, a circuit breaker can stop working even when no load is present.

It’s a common misconception that no load means no current is passing from the breaker.

Circuit breakers are designed to automatically cut the electricity flow as a safety measure.

Standard circuit breakers present in most homes are two types: Single Pole Breakers and Double Pole Breakers.

Reasons it Keeps Tripping:

• Damaged Wires
• Loose Wires
• Current Leakage
• Ground Fault Surges
• Short Circuits

Some load is connected to the circuit breaker unless the electricity supply to your home is cut off completely. In simple terms, it’s a misnomer to say that circuit breakers can trip without load.

6 Causes of Circuit Breaker Trips

Six major causes can cause circuit breakers to trip repeatedly. Knowing about the causes in detail will make it easier to fix circuit tripping for good.

1. Overloads

Overload is a situation that describes the connection of too many devices with an electrical circuit. Circuit breakers are designed to handle a certain amount of current.

Putting additional load on a circuit can cause the wires to heat up. Excessive heat causes the wires to burn, which can lead to a fire incident.

When the heat in wires is to a certain level, the circuit breaker will open the circuit and cut the electricity supply. Overloads might cause frequent tripping of circuit breakers.

2. Damaged Wires

Pests, wear and tear, resistance, and poor fitting can damage wires. Physical damage to wires can disturb the flow of current through wires and increase resistance.

An imbalance of resistances will heat the wire and trigger the circuit breaker to trip.

3. Loose Wires

The wires in electrical circuits can get loose over time. Physical damage or pull can cause the wires to loosen up and disturb the electricity supply.

The circuit breaker will keep tripping if a loose keeps getting disconnected.

4. Current Leakage

Leakage of current can cause the circuit breaker to trip. Current leakage can be caused if the wires are not grounded properly.

The faulty fabrication of electrical components can also cause it. Current leakage will cause the current to flow through conductors other than the ones identified in the circuit.

Improper flow of current will heat the wires. The circuit breaker will open the circuit to stop the flow of current.

5. Ground Fault Surges

Ground fault surges are also a type of current leakage. These surges are highly dangerous as they can cause the current to flow through materials people can touch accidentally.

Ground fault surges occur when a live wire contacts any component inside or outside that circuit that cannot allow the current passage.

Proper grounding is done to stop ground fault surges. The circuit breaker can trip if it senses a ground fault surge in the electricity system.

6. Short Circuits

Short circuits are more dangerous compared to overloads.

A short circuit occurs when a live wire in your electrical circuit gets connected to a neutral wire. This contact of live and neutral wire can cause an accident.

A loose connection can also cause a short circuit and trigger the circuit breaker to trip. Faulty wiring of an appliance can lead to a short circuit as well.

In a short circuit, the current is forced to pass through the circuit in huge amounts. This phenomenon overrides the normal electrical resistance of the wires.

Excessive resistance can cause the wires to burn. The circuit breaker will trip to cut the electricity supply and prevent a fire incident.

Fixing the Circuit Breaker Trips

Trying to reset the circuit breaker repeatedly won’t help you stop it from tripping. Here are three actionable tips that can get the circuit breaker to function properly:

1. Identify Overload

You need to identify the circuit breaker that is repeatedly tripping. Identify the part of your home connected to the circuit breaker that keeps tripping.

Turn off the circuit breaker for that part, and then unplug everything in that area. Now go back and turn on the circuit breaker.

If the breaker goes off immediately, even when no appliance is plugged in, the tripping might be caused by a tripping circuit instead of an overload.

But if the circuit breaker doesn’t trip, head back to that area and start plugging devices in one after another. You can redistribute the load to keep the circuit breaker from tripping.

2. Check Your Appliances

An appliance with a short circuit can cause the circuit breaker to keep tripping. During your inspection of overload, if you find an appliance that trips the circuit breaker even after redistributing the load, the device might be faulty.

Unplug that device, and don’t use it until you get it repaired.

3. Call an Electrician

Checking for overload or inspecting your appliances one by one can be risky and time-consuming.

Hiring a skilled electrician who can check the circuit thoroughly and fix the problem by following the best safety practices is better.

The Bottom Line

The tripping of a circuit breatrippingomething you shouldn’t ignore. Try inspecting the issues and following the above fixes to keep your circuit breaker from tripping.

Avoid getting close to the circuit board if it’s flooded or you don’t have proper knowledge of handling circuits.

Frequently Asked Questions

Can i replace the circuit breakers myself.

You can replace circuit breakers if you can identify circuit breakers to buy new ones and have a toolkit at your home.

But you should avoid doing so if you are not experienced and don’t know about proper safety practices.

When Should I Call an Electrician?

It’s better to call an electrician if you cannot identify overload/faulty appliances or if there’s sparking in the circuit.

Can Add More Circuit Breakers Stop Tripping?

You should avoid adding circuit breakers even if there’s a place in the board to install more. If the tips mentioned above don’t stop the circuit breaker from tripping, the best option is to call an electrician.

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Stanley is an appliance repairman with 10 years of experience. He has seen it all when it comes to broken home appliances and decided to share his knowledge by writing for ApplianceTeacher.

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Circuit Breaker Tripping: Troubleshooting Guide

Hubert Miles | Licensed Home Inspector, CMI, CPI

Updated on January 5, 2024

A circuit breaker tripping results from short circuits, overloaded circuits, and ground faults. In each case, an unintended excessive flow of current triggers the trip. You must reset the circuit breaker by flipping it back on to restore power.

Circuit breakers trip because they cannot handle the amount of current running through them. Tripping the circuit breaker interrupts the flow of electricity and protects your devices or appliances from damage.

Get FREE estimates from licensed electricians in your area today. Whether you need to replace an outlet, hang a ceiling fan, a new electrical panel, or repair wiring, We Can Help!

Without electrical circuit breakers , the possibility of electrical fires would be much higher.  

This guide looks at what causes circuit breakers to trip, what you can do, and how to identify a bad breaker.

What Would Cause a Circuit Breaker to Trip

There are three leading causes of circuit breaker trips:

• circuit overload
• electrical faults (i.e., ground faults and arc faults)
• short circuits

Below are factors that can cause circuit breaker trips. 

Circuit Overload

A circuit overload happens when the flow of electric current running through the circuit exceeds the amperage of the devices it serves. 

For example, if your microwave is a 12.5 amp appliance, you can run it on a 15 amp circuit. That means your microwave is safe as long as the amperage running through the circuit is 15 amps .

However, if the circuit receives an excessive electrical load over 15 amps , it will automatically trip to protect your device from damage. If the circuit doesn’t trip, the excess current will fry the circuit in your microwave. 

Also, if you operate too many appliances and devices on one circuit, its internal mechanism heats up, causing the breaker to trip. 

Circuit overload is the most common reason for breakers tripping. 

Ground Faults

A ground fault occurs when the active wire comes into contact with a ground wire made of bare copper. Sometimes, this fault may happen when the hot wire touches the metal box connected to the ground wire.

Excessive current flows once the active wire touches the ground wire, flowing into the earth. If you step on the affected area, ground faults can cause shock and even electrocution. The uncontrolled flow of electricity will cause the circuit breaker to trip.

Arc Faults 

An arc fault happens when exposed faulty wiring touches, causing the electric current to arc at the meeting point. As a result, sparks occur, which can ignite an electric fire.

A corroded or loose connection is the main culprit for arc faults. Circuit overloads, ground faults, or short circuits trip an AFCI (Arc Fault Circuit Interrupter) circuit breaker.

Arc faults result from damaged, loose, or corroded terminals and wires. The arc fault builds up over time as the heat due to the cable damage and terminals build up to the point of ignition.

Short Circuits

A short circuit occurs when an active wire touches a neutral wire, and the electrical current takes an unintended path of least resistance. 

The common cause of short circuits is frayed wires coming into contact when the wires touch. The electrical current flow increases significantly, causing the circuit breaker to trip to stop the electricity from damaging appliances.

It is a short circuit because the current bypasses the proper circuit wiring channels and flows through a shorter, unplanned pathway.

Short circuits occur 

• When insulation melts and wires are exposed
• Within appliances with damaged internal wiring
• Due to damaged and frayed extension or appliance cords

How do You Fix a Breaker that Keeps Tripping?

A dedicated circuit breaker tripping indicates too much current flowing through the wiring or connection to the outlet.

Here is a step-by-step guide to follow when you notice the first trip:

• Begin by turning off all the appliances and unplug electrical devices from the outlet. Also, switch off light fixtures and unplug those that you can. This prevents any appliances from damaged when the breaker is reset and a sudden surge of power comes through.
• Open the circuit panel or box and locate the on and off buttons of the circuit breaker. You may notice an orange or red color on the breaker when it is off. 
• Flip the switch from off to on to reset the circuit breaker. Once the breaker is reset, you can switch and test the appliances to see if the electrical power is flowing.
• Keep safe as you reset the breaker by working from the side of the electrical box instead of the front. That way, you will avoid any sparks (should there be any) when you switch the breaker back on.
• Some people prefer to switch the main electrical switch when working on the circuit breaker for added safety. 

Types of Circuit Breakers

Standard circuit breaker.

Standard circuit breakers monitor the modulation of the electric current coming into your devices and appliances. 

This circuit breaker stops the current from flowing when it detects the excessive flow of electricity. 

Standard circuit breakers come in two forms:

• Single-pole circuit breakers
• Double pole circuit breakers

Single-Pole Circuit Breakers

Single-pole circuit breakers are the most common breakers in homes and buildings. They monitor the electric current’s flow in one wire and trip if that wire experiences a very high influx of electricity.

These breakers deliver only 120 volts and work well for 15 to 30 amp circuits. Single-pole circuit breakers come with one switch in the back. 

Double-Pole Circuit Breakers

The double-pole circuit breakers monitor the current in two wires simultaneously. You will notice two switches on the back of these breakers.

The double-pole circuit breakers will trip even if only one of the wires receives too much current. They can accommodate between 15 to 200 amps while delivering 240 volts. 

Single-pole breakers are a good fit for lighting fixtures and other standard home outlets. On the other hand, double-pole breakers work for larger appliances like dryers and washing machines. 

Ground Fault Circuit Interrupter (GFCI)

The GFCI circuit breaker interrupts the line due to ground faults. They trip when the current starts to follow an uncharted path into the ground. These ground fault surges occur when a foreign conductor, like water, comes in contact with a receptacle .

At the same time, they offer protection against circuit overloads and short circuits. 

GFCI circuit breakers come built into specialized outlets required for wet areas in the home, including :

• Outdoor areas like the balcony, patio, porches, and decks
• Laundry rooms
• Swimming pools
• Six feet from a sink
• Six feet from the bathroom

These breakers help prevent shock or electrocution should the electrical outlet contact water. 

Arc Fault Circuit Interrupter (AFCI) 

The AFCI circuit breaker detects normal and abnormal arc faults, so it will trip when it detects a dangerous arc fault that can cause a fire. 

The AFCI circuit breaker doesn’t work to protect devices and appliances plugged into an outlet. It works to prevent electrical fires due to faulty connections and wiring. The internal sensing mechanism in the circuit breaker senses the conditions of an electric arc, and the circuit trips to avoid an electric fire.

AFCI protection can also be built into an outlet. The National Electrical Code (NEC) requires these types of breakers to feature in :

• Common rooms
• Laundry areas

AFCI and GFCI circuit breakers can co-exist and complement each other for the best protection.

Combination All Fault Circuit Interrupter (CAFCI)

The CAFCI breaker senses and reacts to any electrical fault, including ground and arc faults.

CAFCI is a relatively new technology that meets new NEC requirements for circuits requiring arc and ground fault protection.

Do Circuit Breakers Get Weak?

A circuit breaker can wear out and become weak. If a breaker trips frequently, the thermal or magnetic element can lose calibration, causing it to trip at lower amp loads than intended. A breaker constantly under thermal stress caused by overloading the circuit will eventually trip more frequently.

Let’s not forget breakers are not impervious to damage. As the internal mechanical parts wear out, they become very sensitive and may not hold under normal load amperage and temperatures.

Electricians refer to this as a bad breaker .

Will a Bad Breaker Keep Tripping

By definition, bad breaker malfunctions, so it will keep tripping until it is either replaced or rectified .

A licensed electrician performs this simple test to see if a breaker will keep tripping and determine if it can be repaired or replaced in the following steps.

• The electrician will switch off all the fixtures and appliances in the house. Also, unplug everything.
• Find the malfunctioning circuit breaker . The electrician will go to the electrical box and locate the breaker lighting orange or red or the one with the switch off.
• They will ascertain that it is the correct circuit breaker. After that, the electrician puts the breaker off.
• With the switch on, the breaker is back on as well. The electrician will plug the appliances into the outlet with the problem circuit breaker. Now, they will turn the devices and appliances on. 

If the breaker trips, the electrician will investigate the circuit’s current amount. The breaker is bad if the current is according to the appliance’s rating.

How You know if a Circuit Breaker is Bad

Breakers do wear out after a while. It has a problem if the breaker doesn’t stay on after resetting it.

Since the circuit breaker controls the electric flow in the house, it is essential to monitor it and catch signs that it has gone bad early.

Here are key signs that denote a bad circuit breaker :

It Frequently Trips

Frequent tripping could be because of a bad breaker. After tripping and resetting, your circuit breaker should stay on unless it detects high current flow. 

To ensure that the issue is not the electricity but the circuit breaker, call an electrician to examine your electricity’s flow and determine whether it is the cause of the constant tripping.

If it is not, then the circuit breaker is the problem. 

The Breaker Overheats

Electrical systems will heat up when active. Typically a breaker can heat to about 60°C (140°F) before problems arise.

Terminations for standard rated breakers: UL 489 Paragraph 7.1.4.2.2 says the temperature rise on a wiring terminal at a point to which the insulation of a wire is brought up as in actual service shall not exceed 50°C (122°F). Terminations for 100% rated breakers: UL489 Paragraph 7.1.4.3.3 says the temperature rise on the termination shall not exceed 60°C (140°F). Handles, knobs, and other user surfaces: UL489 Paragraph 7.1.4.1.6 says the maximum temperature on handles, knobs, and other surfaces subject to user contact during normal operation shall not exceed 60°C (140°F) on metallic and 85°C (185°F) on nonmetallic surfaces. Source: https://www.clipsal.com/faq/fa173839

Call an electrician immediately if the breaker becomes too hot.

There are Scorch Marks

Scorch marks around receptacles, appliances, and the electrical box should tell you your circuit breaker has gone bad.

The burn marks indicate that wiring insulation has melted off and the circuit wires are now sparking and emanating heat or fire. That means that the circuit breaker did not interrupt the excess current and reached the wires and burned them. 

You may see melted wire sheathing on the wire where it connects to the breaker.

Professional electricians can use a  thermal imaging infrared camera to locate the heat source. The infrared camera allows them to pinpoint the problem area through the walls and other construction material.

A Burning Smell

Sometimes you may smell the insulation burning, but no scorch marks are present to denote which outlet is the problem. 

With the help of the infrared camera, an electrician can help locate electrical issues. 

If you encounter a burning odor, shut off the main power and call for emergency service from an electrician. 

The electrical wires burn because power surges through the circuit, melting the wire insulation.

What is Nuisance Tripping

Nuisance tripping is when a breaker trips without a fault to warrant the interruption to the electric current flow.

Nuisance tripping occurs due to several reasons:

Stringent Protection on Circuits 

Sometimes the circuit is protected by stringent conditions that detect any variance as a fault and cause a trip. 

Such stringent conditions can be tuned to accommodate the home’s or building’s electric needs.

A Highly Sensitive Circuit Breaker

In some cases, the circuit breaker has been set to susceptible settings so that they can detect even the slightest fault, even a minor average variance.

For example, the manufacturer can set an AFCI circuit breaker to sensitive standards to detect another circuit’s arc. This common issue may occur in a daisy chain where the circuit breakers connect in a linear series. There may be a faulty electrical outlet you are unaware of on the circuit. It is common for multiple rooms to share a breaker in older houses.

The Breaker Encounters Power Under Different Conditions

The variation in the current is normal, but the breaker responds to it by tripping because the flow is outside the breaker’s regular operation.

Your circuit breaker is tripping because the voltage it is encountering is not within the standard operation. You will need to adjust the circuit breaker or the voltage to eliminate nuisance tripping.

The Breaker Trips with Nothing Plugged in

A breaker tripping with nothing plugged in occurs when a hot, neutral wire is touching somewhere in the circuit. The common causes include frayed or damaged electrical wires, loose connections, faulty electrical receptacles, light switches , or dimmers.

Electrical wire damage happens when:

• wiring is chewed by animals such as rats, squirrels , raccoons, etc
• wire sheathing and insulation ages and become frayed
• wires rub against sharp edges such as punch-outs with missing grommets or wire clamps

Loose connections often occur when electrical wire nuts come loose or electrical tape wears out causing wires to touch.

Defective wiring can be anywhere along the circuit, so it’s best to contact a licensed electrician to troubleshoot why the breaker is tripping.

Replacing a Bad Circuit Breaker

• Check the electrical panel to see the compatible approved circuit breaker brands. Also, make a note of the brand of the electric panel . This is to help you determine if there are upgrades they could recommend for the hardware.
• Order online or go to the hardware store and purchase the breaker of the same voltage as the one you are replacing.
• Go and open the electrical box and switch off the bad breaker. Loosen the terminals and remove the wires using a pair of needle-nosed pliers. Ensure the pliers have rubber insulated handles to avoid shock or electrocution since you will use the pliers to grab the live wires from the terminal. That is a safety measure.
• Remove the bad breaker. Replace it with the new breaker and slip its clips into place. Remember to switch off the replacement breaker.
• Next, using the pliers, hold the wiring and tighten the screws on the terminal. It is crucial to ensure that the wires and screws in the terminals are in the right place.
• Turn the breaker on and replace the electrical panel cover.

Can a Breaker Fail Without Tipping

If you have a newer electrical panel , it’s not likely for a breaker to fail and not trip. However, in older breaker boxes like Federal Pacific , the breaker failing to trip is common.

The main reason Federal Pacific was investigated by the Consumer Products Safety Commission (CPSC) was widespread structure fires involving breakers failing to trip when an electrical overload was present. They found that the circuit breaker contacts would fuse to the bus bar.

Modern breakers will trip when a failure occurs as an added layer of safety. Most older breakers did not have these safeguards.

With AFCI breakers, if the Internal sensing mechanism fails, the breaker reverts to a standard breaker. The AFCI sensor mechanism will no longer work, but the breaker would still trip from overcurrent protection. Therefore, you should test the AFCI breaker regularly.

Conclusion 

Listen to your circuit breaker . It’s alerting you of a problem when it trips. That communication could be a problem with the breaker itself, the circuit, or the amount of electric current coming into your home.

Hubert Miles is a licensed home inspector (RBI# 2556) with more than two decades of experience in inspection and construction. Since 2008, he has been serving South Carolina through his company, Patriot Home Inspections LLC. As a Certified Master Inspector, Hubert is dedicated to providing his expertise in home inspections, repairs, maintenance, and DIY projects.

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5 Reasons Your Circuit Breaker Keeps Tripping and What You Can Do About It

Keep losing power, and aren't sure why here are five of the most common reasons why a circuit breaker keeps tripping, and what you can do to fix the problem..

1. Ground Fault

2. short circuit, 3. circuit overload, 4. arc fault, 5. damaged breakers, circuit breaker keeps tripping, buell electric's blog.

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What Causes Circuit Breakers To Trip?

• February 23, 2024

Don’t worry if your circuit breakers are tripping. It’s a common occurrence. Here’s some information on why it happens and how to prevent it in the future. Take control of your circuit breaker problems!

Table of Contents

Understanding Circuit Breaker Tripping

Circuit breakers are protection devices for electrical circuits. When too much current passes, the breaker trips, stopping the flow of electricity and preventing damage. This can be caused by faulty wiring, too many appliances on one circuit, or a ground fault.

Overloading can cause tripping. This happens when too many devices are connected to a single circuit. Heat builds up in the wires, which can start fires or cause damage. To prevent this, distribute loads across multiple circuits and don’t connect too many appliances to one outlet.

Short circuits also lead to tripping. This happens when two wires with opposite charges come in contact or when a wire touches something grounded. This causes an immediate surge in current that triggers the breaker. Check for exposed wires or insulation damage, and call an electrician if you spot any signs of trouble.

Ground faults can also cause tripping. This happens when there’s an unintentional connection between a live wire and a conductive surface. Install GFCIs to avoid this.

In short, know what causes circuit breakers to trip. Identify potential hazards like overloading, short circuits, and ground faults. Take steps to prevent accidents and ensure your electrical equipment is safe. If you’re unsure how to handle electrical problems, call a licensed electrician.

Overloading Causes

Circuit breakers trip to stop overheating, electrical fires, and damage to electrical parts. Plugging in too many devices can cause the circuit to become overloaded, so the breaker trips to cut off the power.

Short circuits are like a blind date gone wrong. They can be explosive, and often end in disaster. This happens when a hot wire comes into contact with a neutral or insulation/water. This throws off the electric balance, causing danger and tripping.

Short Circuit Causes

A short circuit happens when a low-resistance path appears between two points in the circuit that aren’t usually connected. This can cause too much current to flow, making a circuit breaker trip. Insulation or wiring damage, faulty appliances, and circuit overload are the most common reasons for a short circuit. It’s critical to identify and fix the root cause quickly to avoid electrical fires and other dangers .

When too much power passes through a circuit, the circuit breaker will automatically turn off. It’s designed to protect wiring and guard against electrical accidents . But if the breaker trips regularly, there may be underlying issues that need investigation and repair. Often times, this means upgrading or replacing components.

Sometimes short circuits are caused by human error or wear and tear. But they may also come from design or installation problems. Planning and upkeep from local electricians can keep electrical systems running safely and appropriately for a long time. If your circuit breaker is tripping a lot, get an experienced technician to review your system and suggest solutions that match your needs and budget .

Overheating Causes

Circuit breakers are essential safety features. They stop electrical fires and protect your appliances. When overloaded, too much current flows, producing heat. This causes the breaker to trip!

Other factors can cause overheating. Damaged insulation on wires increases resistance. Loose connections add resistance and heat. High temperatures and poor ventilation worsen the situation.

It’s important to maintain and service the electrical system. Checks of all components will make sure they work efficiently. To avoid tripping, prevent overheating. This will reduce energy consumption and safeguard equipment. So, let’s learn about circuit breakers and how they deal with overloads!

Circuit Breaker Types

Circuit breakers are essential for any electrical system. They prevent overloaded and faulted circuits . There are different types of circuit breakers suitable for specific electrical loads.

See the table below for the different types of circuit breakers and their functions:

It is crucial to select the right type of breaker. Each one has its own advantages in specific situations. For instance, thermal circuit breakers are perfect for small appliances like hair dryers or irons . Meanwhile, magnetic circuit breakers are great for bigger loads such as air conditioners or refrigerators .

Remember, circuit breakers are like Beyoncé – they can handle a lot, but have their limits.

Circuit Breaker Ratings and Specifications

Circuit breakers are designed to protect electrical circuits from overloads. To ensure that circuits and appliances are safe, the ratings and specifications of circuit breakers need to be understood.

If a circuit breaker trips often, it may mean there’s an issue. It’s best to get professional help in these cases. Time to go on a hunt for your electrical wiring!

Troubleshooting Circuit Breaker Tripping

Circuit breakers can flip out for multiple reasons, like overloads , short circuits , and ground faults .

Overloads happen when too much electricity passes through the circuit, creating too much heat and tripping the breaker. Short circuits are when two or more wires touch, resulting in extra current. Ground faults occur when the power takes an unexpected route, like through a person’s body.

To figure out why your circuit breaker is tripping, it’s important to figure out what is going on and act accordingly. Inspections and maintenance can also help avoid future tripping.

Stop your circuit breaker from misbehaving with these prevention tips!

Preventing Circuit Breaker Tripping

A circuit breaker tripping can be prevented with understanding. When circuits are overloaded, breakers trip to avoid overheating and potential fires. Here are 3 steps that can help you prevent circuit breakers tripping:

• Know the electrical load – work out how many appliances & devices are connected to one circuit. Don’t overload them by spreading high-energy equipment across multiple circuits .
• Look after your appliances – ensure all your appliances & devices are in good condition, with no damaged cords or frayed wires.
• Upgrade your system – if you’re tripping breakers often you may need to upgrade the electrical system with higher capacity breakers or more circuits.

Plus, investing in surge protectors can also assist in preventing circuit overload and subsequent tripping of breakers. By following these steps you can make sure your home’s electricity runs safely and without interruption due to circuit breakers tripping.

Remember: these precautions will keep you from tripping more than just your circuit breakers!

Safety Precautions

Safety must be taken seriously when dealing with circuit breakers . Always switch off the main power supply before beginning work. Wear protective gear such as insulated gloves and boots to stay safe from electrocution. Never touch wires or components inside the box without proper training. Keep the area around the breaker box free from any flammable substances. Inspect breakers for damage or wear regularly .

Label each circuit breaker correctly . Test them frequently for functionality. This will help identify circuits quickly in case of an emergency. These precautions and practices ensure safety while dealing with circuit breakers. When in doubt, blame it on the circuit breaker – it’s always a good scapegoat for electrical woes!

Circuit breakers are essential components of any electrical system. They stop too much current flowing and thus, protect against potential fires . The most common cause for tripping is overload. But, other causes like short circuits and ground faults can also cause the breaker to trip. When it trips, there is something wrong that needs to be fixed right away.

Short circuits occur when two wires touch each other. This creates a low resistance path which allows a lot of current to flow with no load. Ground faults occur when the hot wire touches something incorrectly wired or with a damaged cord.

To prevent tripping, regular maintenance of the electrical system is needed. Keeping appliances in good condition, replacing worn-out cords and fixtures, and periodically checking for loose wires all help reduce the chances of tripping. In summary, understanding why the breaker trips and taking precautionary measures will keep you safe and save you repair costs.

Frequently Asked Questions

1. what causes a circuit breaker to trip.

There are several possible causes, including overheating due to circuit overload, short circuits, ground faults, and age-related wear and tear.

2. How can I prevent my circuit breaker from tripping?

You can avoid overloading your circuit by keeping the number of electrical appliances used on one circuit to a minimum, regularly checking wires for signs of wear and tear, and not using too many extension cords.

3. What should I do if my circuit breaker keeps tripping?

If your circuit breaker is constantly tripping, it is important to identify and fix the underlying issue. Contact an electrician to inspect and repair any faulty wiring or electrical devices.

4. Can a circuit breaker trip without an overload?

Yes, a circuit breaker can trip due to a short circuit or a ground fault, which may occur without an overload.

5. How do I reset a tripped circuit breaker?

To reset a tripped circuit breaker, turn it off and then back on again. Make sure to identify and correct the underlying issue that caused the trip before restoring power.

6. What is the lifespan of a circuit breaker?

The lifespan of a circuit breaker can vary depending on usage and other factors. However, most circuit breakers last between 10 and 30 years.

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Circuit Breaker Keeps Tripping Without Load | Quick Fix

The circuit breaker plug of our house does not have any kind of device in it, but it gets tripped. We all wonder what could be the main reason behind this. So let me tell you that this question is not for you but for many people. Many of us must have experienced power tripping. Circuit tripping can occur in a number of ways, from overloading to short circuits or other minor problems.

If there is a similar problem in our house, even if it is tripping with or without load, first disconnect the load attached to it and set the circuit breaker again. Then the chances of this trip decrease. However, if this problem persists, the solution to your tension is in today’s article.

Common reasons your breaker keeps tripping include circuit overload, a short circuit, or a ground fault.

Suggested Read:   What Is an Oil Circuit Breaker | Construction of Oil Circuit Breaker 

In This Post

Reasons Your Circuit Breaker Keeps Tripping with Nothing Plugged In:

Every time a circuit breaker trips, the first question on everyone’s mind is the same. This overload may have caused the trip, but it does not happen. This is possible. But with the exception of the case, there could be many reasons behind this. These causes of circuit breaker trips are described in detail below, and how they can be resolved is discussed in detail.

First of all, the reason for his trip is as follows:

#1. Short Circuit:

The short circuit is the factor that shuts down the circuit breaker . The reason behind this is when the hot wire and the neutral pull. The contact causes a high current to flow through the circuit, which is greater than the capacity of the circuit. Generates more heat than that.

When this happens, the breaker wire departs to avoid burning and damage to electrical equipment. There can be many reasons for short circuits in the home or office, or factory. A major cause, such as a faulty wiring system or a weak joint, can cause short circuits.

Troubleshooting a short circuit requires your sensory organs, such as the nose and eyes, which you can use to identify the area affected by a short circuit with a burning smell and correct the error. But as an engineer, we have one piece of advice. This work should be done by a knowledgeable electrician rather than yourself. Because if you do this work yourself, there is a possibility of shock.

#2. Overcurrent:

Most circuit breakers are not thermal types. And thermal circuit breakers travel current. When there is a high current. It hits the bi-metallic metal of the circuit breaker until it heats up and does not heat up.

The main causes of overload include ground fault, overload , faulty arcs, faulty wiring, short circuits, fuses , and others. Whenever there is an overload problem, and it is your turn to work on the current line, you need to contact a suitable electrician.

#3. Ground Fault:

Ground fault and earth fault have the same meaning, and this fault is the same as a short circuit. This is the main cause of the fault when any hot wire comes in contact with the earthing wire. And it carries more current than the contact circuit, which causes this circuit to trip the breaker. In case of a ground fault, it is necessary to consult a suitable electrician. To avoid complications that may arise from doing it yourself.

#4. Faulty Circuit Breaker:

Trips can also be made when the circuit breaker in our home or office has broken down. If its power failure is due to a weak circuit breaker, So it is advisable to change it to avoid complications.

Suggested Read:   Different Types of Faults and Effects in Electrical Power Systems

Reasons Your GFCI Breaker Keeps Tripping with Nothing Plugged In:

GFCI stands for obstruction of ground fault circuit. If your GFCI is tripping, then the error is yours. In general, the light of travel follows its path. But if, for some reason, it follows a different path towards the ground, the ground will fault.

The main cause of the ground fault is when there is contact between a live wire and water or wet material. This causes the current to flow with the water. Ground faults can lead to electrocution in buildings without ground fault circuit interrupters (GFCI) . But if you have interrupters, it will turn off the light without delay.

My Light Went Out, but the Circuit Breaker had Not Tripped; why?

Some circuit breakers act like what is called a trip-free circuit breaker. The trip-on circuit breaker switches off the light. This works best on circuits that do not face overcurrents. If you experience a free trip, call your electrician for troubleshooting.

How Do You Know If a Circuit Breaker Has Tripped?

If our lights were turned off in only one room in the whole house, we could estimate that the circuit breaker had tripped.

We can also tell by looking at the breaker switch whether it is on or off. Although some types of circuit breakers (travel-free) occur when there is no light, however, using one of the two methods can help you locate a stranded breaker.

How to Reset a Tripped Circuit Breaker?

To reset the tripped circuit breaker, turn it off. Disconnect all devices connected to this circuit from the plug and then turn on the circuit breaker. The reason for our safety is that we are told to stand away from the circuit breaker while resetting it.

Goggles must be used for eye safety, And if it is dark at work, you must use a torch. After resetting the circuit breaker, wait a while before connecting any device to it, and make sure you do not overload the circuit.

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Vishnu Patil

Hey, I am Vishnu Patil and I'm an Electrical Engineer and Electrical maestro. I have more than 10 years of experience with electricals. Through ElectricalGang I want to spread my knowledge with everyone else.

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Why Does My Circuit Breaker Trip So Frequently? (Solved)

Usually, when our circuit breaker trips, we blame it on the energy-consuming appliances and devices like air-conditioners, straighteners, curling iron, blender, and the like. However, what if the circuit breaker trips when no such machines are connected. Hence it is natural to wonder- why does my breaker keep tripping with nothing plugged in?

It might cause alarm as something significant with your electrical system might be at risk as faulty electrical systems can cause fires.

Here, we describe the problems, solutions, and risks of frequent breaker trips. Keep on reading to learn more!

Why Does My Breaker Keep Tripping With Nothing Plugged In

Power outage at your home when all other buildings have their power? It can happen when your circuit breaker has tripped . It can trip when there is an overload of current caused by an appliance. However, you are sure that all appliances that operate with high watts are plugged out, then what causes a breaker to trip when nothing is on?

Several things could cause your circuit breaker to malfunction frequently, even without anything plugged.

1. Short Circuit from Faulty Wires and Outlets

When there are repeated circuit breaker trips when no appliances are connected, your house has some wiring problem. A short circuit can happen with wires damaged from use and through problematic electrical connections, switches, and appliances.

When a short circuit happens, it causes the wire to overheat and overload. It can harm your appliances, so a circuit breaker falls and acts as a protective mechanism to save your devices from harm.

If you notice that this happens when no other energy-consuming appliances are added, you need to check your electrical outlets and wires to zero in on the problem and treat it from its roots.

2. Problems with Ground Fault

When an active wire interacts with the ground, a large amount of current flows from the ground to the connected device. This current overload can damage your property; hence, to save the appliance, a mechanism kicks in, causing the circuit breaker to fall.

Ground Fault can happen when there is a defective Ground Fault Circuit Interrupter ( GFCI ) because GFCI traditionally protects ground electrical discharge.

However, sometimes ground fault occurs when no appliance is connected to GFCI. So, why does GFCI trip with nothing plugged in ? It happens when moisture accumulates in the outlet or the circuit is overloaded from a malfunctioned or loose wire.

3. Problem with Circuit Breaker

When you have a frequent malfunction with the breaker, the breaker in itself can be at fault. In addition, with age, the breaker can stop working properly and may need to be replaced if the circuit breaker trips aren’t happening because of short circuits and ground fault problems.

What to Do After Identifying a Bad Breaker?

The first step towards solving a problem is understanding where the faults are. For example, since one of the reasons for frequent breaker trips is a faulty bad breaker, you should know other signs indicating issues with the service panel. So, what are signs of a bad breaker?

There are a number of signs that allude to the malfunctioned service panels.

• Recurrent circuit breaker trips.
• A circuit board older than 40 years.
• The lights flicker at your home, appliances do not work at full capacity, and have to be replaced frequently.
• A burnt smell coming from a circuit board
• Melted wires and heated panel. 

After identifying that the circuit breaker is compromised from the signs listed above, it is time to fix the issues.

1. See What The Breaker Protects

A sheet in a circuit breaker panel reveals what the breaker is protecting.  After identifying the room or outlet causing the problem, you can disconnect any appliance, or if no machines are connected, test those circuit outlets.

This should ideally be done by a professional as mishandling things related to electricity can be dangerous and, at times, life-threatening.

2. Correct the Circuit Breaker

After identifying the problem, note the problematic outlet number down to show your electrician. After that, reset the circuit breaker by pushing the switch up for a few seconds; if the power comes back, there is no major problem.

However, if the circuit switch trips again, that can indicate faulty wiring, ground fault, short circuit, or electricity overload.

3. Change The Circuit Board

The lifespan for a circuit board is 40 years, so if it is older than 40 years, it might start malfunctioning. Hence, replace the service panel for optimum electrical conditions at your home.

Do You Have to be Alarmed from Frequent Circuit Breaker Trips?

It is natural to have a few circuit breaker trips over a year, but if it happens constantly, that can be stressful as you worry about electrical problems at your house. So, is it dangerous if the circuit breaker keeps tripping ? Is it life-threatening?

A circuit breaker is one of the crucial parts of electrical maintenance in a house as it protects the electrical wires from getting overheated. Overheated wires are the leading cause of electrical fires . Breaker trips when unusually high current flows or when your house reaches its maximum voltage capacity. However, if that protective mechanism has some problems and trips often, it raises the risks of electrical fires.

So frequent circuit trips can be dangerous and possibly life-threatening if a fire starts due to it.

Final Remarks

When a circuit breaker trips often, it is a cause of concern and more so when you notice that no appliances had overloaded the system to cause the trip. So, it is only fair for you to ask why does my breaker keep tripping with nothing plugged in?

Our guide elaborated on circuit breaker malfunctions, signs to identify a bad breaker, and recommends ways to fix the problem. Furthermore, it cautions you to be wary of such frequent circuit breaker trips as they can cause electrical fires that can harm you and the people living in your building.

Editor-in-Chief of WiringSolver.com He is mostly known for his knack towards all things electrical. As can be clearly seen from most of his work. His background in IT also lets him venture into other technical sides. He is writing here in this blog from the beginning and loves to play with his stunning writings.

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Home » circuit breaker » circuit breaker tripping

Why Does my Breaker Keep Tripping With Nothing plugged In?

A circuit breaker can trip, but when it keeps tripping with nothing plugged in, it may be a sign of short circuit , ground fault , or a bad breaker.

This article will guide you on why a circuit breaker trips with nothing plugged in and how to fix it.

why does my circuit breaker keeps tripping with nothing plugged in

Circuit breakers trip for four major reasons, and they include:

Circuit overload

Circuit overload is when you plug too many devices into a circuit than it can carry. Whenever there is more load on a circuit than rated, the circuit breaker trips to prevent electrical hazards .

Short circuit

A short circuit is one of the factors that can turn OFF your breaker . It occurs when a hot wire and neutral wire bridges.

This contact causes high current flow along the line, generating more heat than what the circuit can handle.

When such happens, the safety switch shuts off the current to avert damage to electrical appliances.

Short circuits may occur for several reasons, such as loose connections, damaged electrical insulators, faulty switches and appliances.

Grounds fault

Ground faults occur when a hot wire comes into contact with the earth wire. The contact pushes more current to the circuit than it can handle, causing your circuit breaker to switch off.

Ground faults can lead to electrical shock if left unchecked.

Faulty circuit breaker

If none of the above is causing your circuit breaker trip, it may mean that your breaker/outlet has gone bad. A bad circuit breaker can cause your lights to go off unexpectedly. If your power failure is because of a bad outlet, replace it with a new circuit breaker.

Consult an electrician to fix the issue for you.

You can buy a new breaker here on Amazon .

How to troubleshoot and fix a circuit breaker that keeps tripping without load.

To troubleshoot and fix a breaker that is tripping without load, follow these steps:

1. Check for overloaded circuits

If your breaker continues to trip, it may be that you plug too many appliances on the circuit.

• Start by unplugging all the devices on the circuit
• Reset the breaker
• Plug those devices one by one and watch the circuit. If it goes off again, you then know it’s a circuit overload problem.
• You can fix an overload problem by reducing the number of devices you plug into the circuit or by or by installing a new dedicated circuit for the load.

Related article: how many outlets on a 20 amp circuit?

2. Check for short circuits

Wires that have been severally exposed to high voltage are bound to have tears and wear and may be the reason your circuit breaker is tripping.

Troubleshooting a short circuit requires the use of your sensory organ (the nose and your eyes) to trace the area with a damaged insulator or burning smell usually left in the affected area. I suggest you look for a qualified electrician for the repair, as doing it yourself may cause electric shock.

Test for ground faults

GFCI stands for ground fault circuit interrupters . If your GFCI keeps tripping , it may be that you have a ground fault.

You can test for ground fault with a multimeter by inserting the red probe in the brass port of the outlet, and the black probe into the silver port.

If the voltage reading is zero, there is no ground fault, but if it’s otherwise, there is ground fault.

This will require the service of an electrician to replace it.

Related article: What are the differences between circuit breakers and GFCIs?

4. Replace the circuit breaker.

If all the troubleshooting fails and the receptacle still trips with no load, replace it, it has gone bad.

When replacing an old breaker, always consider the make, type, and size of your new breaker. The type and size should be compatible with the old one, else it won’t fit into your electrical panel.

Also, make sure the breaker passes all the NEC requirements else. It will not serve you well.

Some good circuit breakers you can find are Square D 20 amp breakers for a single pole and 30 amp breakers for double poles.

However, it is advisable to use a circuit breaker from the manufacturer of the main breaker panel to avoid sizing and fitting problems.

For more details on replacing a bad breaker, read our guide on how to replace a bad circuit breaker .

Need an electrician? Contact us for inspection.

If the breaker trips every time even with nothing plugged in and you are not confident enough to find the cause, call us to help you fix the issue.

Frequently Asked Questions

My light went off, but the circuit breaker did not trip. why.

Some circuit breakers work like that; they are called trip-free circuit breakers. Trip-free circuit breakers shut off the lights even when the switch is ON.

They work best on circuits that do not withstand over-currents. If you experience a free trip, call your electrician for troubleshooting.

How do you know if a circuit breaker has tripped?

If your lights have gone off in a certain part of the house rather than the entire building, you suspect a tripped breaker.

You can also see that by looking at the breaker’s switch to see if it is ON or OFF. Some types of circuit breakers (the trip free) remain ON when there is no light. However, using either of the two methods can help you detect if your circuit protector is off.

How do I reset a tripped circuit breaker

To reset the tripped breaker, turn it off and unplug all the appliances connected to it, and then ON it again. For safety reasons, we recommend that you stand by the side of the breaker’s panel should it spark a light while resetting.

You should wear goggles and also make use of torchlight to illuminate the area if there is no light.

After the reset, wait for some time before plugging back your appliances to make sure you do not overload the circuit.

Related articles

• What Wire Size Do I Need for my 60 Amp Breaker?
• What is a 15-amp Circuit Breaker Used for?
• Square D Circuit Breaker Types and Uses
• What is an Oil Circuit Breaker?
• Overview of Square D BDL36100 Powerpact Molded Case Circuit Breaker
• Eaton Cutler Hammer Breakers
• What is a Miniature Circuit Breaker (MCB)?
• Causes of Power Surge and How to Prevent it.
• What is a Motor Protection Circuit Breaker?
• GFCI Won’t reset, 7 Causes and How to Fix it.

About mariaelectricals

Hi, I am Emmanuel Nwankwo, a commercial electrician and the founder of mariaelectricals.com . I established this blog to share my decades of work experience in electrical installations and repairs.

• Electrical , How to & Guides

Why Does My Breaker Keep Tripping With Nothing Plugged In?

• January 20, 2023
• By Leela Prasad

In most cases, we blame a tripped circuit breaker on high-power-usage appliances like air conditioners, hair dryers, curling irons, and blenders. But suppose the circuit breaker trips, and no such devices are plugged in. Since nothing is plugged in, it is reasonable to question why the breaker keeps tripping.

Faulty electrical systems can cause fires, so it’s understandable if you’re worried about the potential danger to your home.

Is it frustrating and perplexing when your circuit breaker trips for no apparent reason? Why does my breaker constantly trip when there is nothing plugged into it? It is a question we must answer, and you must compile a list of potential causes.

Trying a few troubleshooting steps before calling an electrician and potentially wasting money on work you can complete on your own is a good idea. Possible causes of this problem include a faulty circuit breaker, overcurrent, ground fault, or short circuit.

Explain What A Circuit Breaker Is?

Circuit breakers stop energy from flowing through a circuit if the current is too high. Electrical fires, shocks, and other injuries would be more common without circuit breakers.

Understand electricity before learning how a circuit breaker works. Electricity is electrical charge transfer between atoms. Electricity comes from natural gas, coal, or solar. Voltage, current, and resistance define electricity.

Voltage is the pressure needed to carry electric charge through a conductor. When current meets the conductor, resistance occurs. Some materials transmit electricity better than others because conductors have different resistances.

Hot, neutral, and ground cables make up your home’s wiring. Hot and neutral wires rarely touch, like ships at night. A high-resistance appliance maintains voltage safe by passing a current through it.

Sometimes the hot and neutral wires touch. It reduces current resistance, causing dangerous voltage and current levels and even fires—circuit breakers trip when voltage and current are too high. The trip disables the circuit until the problem is fixed.

When Does A Circuit Breaker Trip?

A tripped circuit breaker typically cuts power to a single room rather than the entire home. Several power outlets in a single room, possibly a USB power outlet, may suddenly stop functioning.

To determine why your circuit breaker keeps tripping, inspect your home’s electrical panel or fuse box. Keep any furniture, boxes, books, and shelves well away from the electrical panel or fuse box’s opening and familiarize yourself with its location.

Take the time to learn the relationship between each switch or fuse and the component it controls if your circuit breaker and fuse box aren’t easily accessible or well-labeled. If a circuit or fuse trips or blows, you’ll be able to pinpoint which one it is. When working with many circuit breakers or fuses in a single room, such as the kitchen, clearly denote which appliances each switch controls. Doing so will save time and effort trying to fix a faulty circuit breaker.

When an overcurrent condition causes a circuit breaker to trip , the switch’s handle will be halfway between the “on” and “off” positions. A red region could appear if the circuit breaker has been tripped. Of course, that’s subject to your home’s electrical system capabilities. Suppose the handle of the panel barely moved at all when tripped. In that case, you’ll need to examine the switches thoroughly to determine which one has malfunctioned.

Why Your Circuit Breaker Trips “Without Load”?

You must first understand why your circuit breaker continues tripping without load.

• Because there exists a load
• Unless your home or building has no electricity, the breaker is constantly working
• Capacitors are in your TV. Diodes, transistors, and others conduct
• Relatively modest quantities of current even when the TV is off

Therefore, it’s not tripping without a load

Then, what’s the issue?

The wiring is likely the issue assuming there isn’t a mechanical issue with the circuit breaker.

3 Common Causes Of A Tripping Circuit Breaker

Before we run through a possible list of wiring issues that could be to blame, please double-check that no appliance is still plugged in and turned on that you had forgotten about.

It’s common for homeowners to forget about electronics left in the garage or plugged in outside.

If that isn’t happening, here are three electrical issues to think about.

1. The Current Overflow

One possible cause is the current leaking from one or more of the input wires. If that’s the case, the difficulty you encounter ultimately benefits you. It’s for your protection.

2. Torn Wires

It’s not simply the input wires that it could harm. Perhaps insects or rodents got to them and chewed significant holes in them. This issue can trigger a breaker trip even with very light loads.

3. An Electrical Outlet with a Loose Wire

This electrical issue can be frustrating. A loose wire in one of your outlets trips your circuit breaker and will continue until you have it fixed. It frequently occurs if the outlet is not GFCI (Ground-Fault Circuit Interrupter).

Check Wires Properly Now

If your circuit breaker continues tripping without load, follow the preceding recommendations.

Power surges can cause this once.

Why Does Breaker Still Trip With Nothing Plugged In?

A circuit breaker frequently tripping without load is rare. First, we’ll discuss possible reasons to check and then take action.

1. Something Is Plugged In

Make sure everything has stayed on the breaker that you have examined.

You may need to remember an item plugged in outside or in the garage. A device in another room is on a different breaker.

Have used an electronic circuit breaker finder to determine which outlets are connected to which breakers.

Whether you don’t want to spend that much, perform a fast check and unplug any nearby gadgets to see if they’re linked to the breaker.

2. Wires and Outlets Cause Short Circuits

Your house has wiring issues if the circuit breaker repeatedly trips without appliances. Damaged cables, electrical connections, switches, and devices can cause short circuits.

Short circuits overheat and overload wires. A circuit breaker trips to protect your appliances.

If this happens without additional energy-consuming appliances, inspect your electrical outlets and wiring to find the cause and fix it.

3. Ground Fault

If a hot wire meets a ground wire, metal wall box, or metal frame members, it causes a “ground-fault” short circuit. Kitchens, baths, and outdoor areas with high moisture levels are especially vulnerable to ground faults. Electrical shock can result from ground faults.

You can diagnose and rectify a ground fault, but you should also prevent them. When ground or water contact is probable, NEC laws may require GFCIs on outlets (ground-fault circuit interrupters).

Ground faults reduce resistance and improve electrical flow instantly, like hard shorts. The circuit breaker’s internal mechanism heats up and trips. If there is a ground fault, the circuit breaker may trip again after being reset.

4. Overcurrent

Overcurrent occurs when current exceeds load quickly. It commonly happens when electrical items like home appliances connect through circuits. The thermal bridge grows as expected because the normal electric flow is worth many times more. The clad metal in the breaker gets quite hot, tripping it.

5. Arc Fault

Most local electrical regulations are based on the National Electrical Code, which has gradually increased arc-fault circuit interrupter (AFCI) requirements (AFCI).

AFCI breakers detect power fluctuations caused by wire connection sparking (“arcing”) in addition to overloads, short circuits, and ground faults. Loose switch or outlet screw terminal connections can cause arcing.

These breakers detect wiring issues before they cause short circuits or ground faults. Neither fuses nor circuit breakers protect against arc failures. Arc fault protection prevents arcing-related fires.

Regular breakers reset AFCI breakers. Loose wire connections in the circuit cause recurrent tripping and arcing.

6. Overuse Of Home Appliances

An amp meter is used to measure electrical current, and each circuit breaker is rated to provide a specific amount of that current.

When the circuit breaker’s maximum amp load is reached, the breaker will likely trip.

It is a common occurrence after purchasing a high-power device for the home, such as a plasma TV, which necessitates the use of a dedicated circuit or the maximum available current.

7. Troubleshooting The Circuit-Breaker Issue

If none of those causes your circuit breaker to trip, the problem may be a malfunctioning breaker. Something needs to be fixed if your breaker keeps tripping, won’t reset, has a scorched smell, and leaves markings in the electrical box.

A breaker has reached the end of its useful life when its components no longer conduct electricity efficiently. Similarly, suppose a panel has yet to be maintained or checked by a professional. In that case, it’s likely to be worn out and dull.

What Signs Indicate a Bad Breaker?

A breaker is terrible if it sparks when turning on, the breaker trips quickly, and the breaker is making a popping sound or clicking sound. If your breakers are flashing, you need to change them immediately. If the breakers are tripping quickly, they also need to be changed.

If it hums, replace it.

How to Fix a Breaker That Tripped With Nothing Plugged in?

Step 1:  turn off light switches.

Start by turning off all the lights and unplugging all the electronics and appliances in the powerless rooms. Check for connections. This step is vital To avoid overload. I’m sure you’ve tried turning on your breaker a million times with all those appliances off. Check for overloading one last time.

You may have plugged anything in the garage and need to remember it. An electronic circuit breaker locator can assist you in locating the breaker’s related areas to rule out overloading.

Step 2:  Identification Of Tripped Circuit Breaker

Open your circuit breaker box and find the tripping breaker . Circuit boxes are typically placed outdoors, away from elements and impediments. Most boxes are locked with a tiny metal plate.

Overloaded circuit breakers hum before turning off. The breaker is off if there is no sound after unplugging all devices.

Step 3:  Check Your Circuit Breaker

For proper diagnosis, you must learn your breaker’s behavior while all appliances and lights are off.

Test your circuit breaker and turn on the lights without the appliances.

Check two things:

1.The lights return but the breaker trips after a few seconds.

2.The breaker trips promptly, flickering the lights “ON” and “OFF.”

Your observation may indicate wiring, circuit damage, or overloading (yes, you got that right). Your circuit breaker may overload if the lights are switched on but shut off. Check your checklist for breaker overloads.

If the breaker trips when you turn it “ON,” it may be a malfunctioning wire or breaker. Call an expert to inspect and fix the wiring.

Step 4:  Turn Off Appliances And Lights Once

Start by shutting everything off and checking what might be generating the overload. Overloaded breakers rarely turn off immediately. Instead, they power all switches and outlets until they’re exhausted.

Before resetting the breaker, turn off all appliances. To locate the perpetrator, turn on each gadget many times.

Step 5:  If The Problem Persists, Recheck The Input Wires

As with the output wires, the input wires will eventually wear out and could be the root cause of your breaker’s frequent trips. When these wires are broken, the current might seep out, causing a short circuit and the circuit breaker to trigger.

If you have poor wiring, you may experience frequent breaker trips, which, if left unchecked, could result in electrical shock if you use certain appliances. If you have yet to experience working with electricity, it is best to have a pro handle the wiring.

Step 6:  Turn Off  The Circuit Breaker And Turn It Back On

Resetting the breaker will ensure the problem is permanently resolved once the broken wire has been located and repaired. Simply cycling the switch between “OFF” and “ON” will reset the breaker. When the lights come on, it’s because it’s resetting. Once the status light stops blinking, you know everything has finished processing. Another option is to press the test button to see if the circuit breaker is functioning correctly. Because of this, the breaker will close by itself. If it does not trip, it must be replaced immediately.

Step 7:  Changing The Breaker

If you have exhausted all other troubleshooting steps and the breaker still won’t work, you will need to replace it. Although the method is straightforward, working with the panel is risky due to the high energy levels of the hot bus bars. If you insist on replacing the breaker on your own, do so only if you have a flashlight handy before shutting off the main power supply switch.

Now that you’re ready to go, here are the necessary measures:

• Carefully pry off the cover plate of the circuit breakers with the screwdriver. Then, locate the tripped circuit breaker and switch it to the “OFF” position.
• Keeping in mind that you don’t want to tangle any other wires, slowly extend the wire from the breaker out of the panel.
• Pull the old breaker out of the panel by grabbing the edge and turning it to the side. The circuit breaker must break loose from the control board.
• Unscrew the terminal and pull the wire to disconnect the black circuit.
• Install the replacement circuit breaker by sliding the bare end of the black circuit wire beneath the screw terminal. Commonly known as the LOAD symbol.
• Hook the replacement breaker’s back into the holding clip at the back, then slide it forward into its proper spot. As you install the breaker, ensure it is in a position parallel to the bus bar.
• The extra wire should be folded up and tucked below the panel. Once again, avoid touching any other cables or metal components.
• You should swap out the panel cover and its screws. To prevent a surge in electricity demand and possible power outage, you should switch the main breaker off first.
• To activate everything, flip the main switch to the “ON” position.

If the Circuit Breaker Trips, Don’t Ignore It

Pay attention to a constantly tripping circuit breaker. One of your circuits is probably being routinely overloaded if this keeps happening. There is a maximum voltage that your circuits can safely take. If you go above that voltage, an electrical fire could occur. Because of this, the circuit breaker has tripped, cutting off power to your home.

It’s terrible when a tripped circuit breaker causes a power outage. Nonetheless, keep in mind that the circuit breaker plays a crucial function. Overheating of wires due to excessive current is avoided by using a circuit breaker. Overheated wires provide a fire hazard. We recommend that you contact one of our electricians immediately if your circuit breaker keeps tripping. Now is the time to call!

Reasons To Change Your Service Panel

Built before 1960, they may have used a fuse box instead of a panel in the home’s electrical system, which may need help to handle the current needs of modern appliances. Furthermore, if your service panel is quite old, it will need to be repaired frequently and at great expense.

Skilled and reliable professionals will evaluate your panel system thoroughly and provide you with their honest recommendations so you can make the best possible choice for your home.

3 Key Reasons To Consider While Replacing Your Service Panel

Expand your circuit’s capacity first: Consider adding new circuits to your electrical system when you make significant changes to your home’s layout or install new or larger appliances. But your electrical panel needs more circuits. In that case, you’ll need to update it to finish your renovation.

Extra safeguards:

• Thanks to updated service panels, electrical shock and arcing are no longer a concern. With the option to combine AFCI and GFCI breakers, they provide a comprehensive indoor/outdoor solution that is code compliant.
• Increase the worth of your home by doing these three upgrades:
• Have a professional electrician install a new service panel to quickly and easily increase your home’s resale value.

The Bottom Line

Even if no appliances are turned on, the breaker can repeatedly trip if there are other issues. These problems, such as broken input wires or an overloaded circuit, should be investigated further. Since the procedure has been laid out for you, more testing is unnecessary.

If a breaker keeps tripping, it may be time to call in the specialists. Short circuits, overloaded circuits, and ground faults can all be safely repaired by an electrician. If any of the breakers on your electrical panel are undersized, broken, old, or otherwise on the verge of failing, it is best to have a professional come and service the panel.

Related Posts:

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• Water Heater Tripping Breaker
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• Why does GFCI Keeps Tripping? How to Fix it?

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The Circuit Detective

Home electrical troubleshooting, afci circuit breaker troubleshooting.

An arc-fault circuit interrupter (AFCI) is a circuit breaker* located in your electrical panel that serves the functions of a normal breaker but also senses hazardous arcing on its circuit and will trip off for this. It can be identified by the special colored test-button near its handle. (Ground-fault breakers also have a button, so read with a magnifying glass to be sure which kind your breaker is.)

*A different device is now allowed away from your breaker panel. It resembles the familiar GFCI receptacles. (Its installation is more strict, however.) It is called an "outlet/ branch-circuit type of AFCI" or simply AFCI outlet or AFCI receptacle.

AFCI breakers began to be required by Code in 2002 for new wiring supplying bedrooms. The areas to be protected were expanded in 2008 (where that national Code has been adopted locally) to most rooms of the home. The areas left out of the requirement were garage, bathroom, kitchen, and laundry; these were already required to have ground-fault protection for receptacles, but the 2017 Code includes them in the AFCI requirement too.

It is relevant to AFCI circuit breaker troubleshooting that most AFCIs have a level of ground-fault protection built into them as well. (If this level becomes standardized to meet Code for GFCI protection, such AFCIs will make it possible to meet both AFCI and GFCI codes simultaneously.)

The Five Possible Causes of an AFCI Breaker Tripping

A standard breaker will trip for an overload, a short circuit, or overheating at itself (the first three causes below). To solve their tripping usually involves sorting out which of these three causes is at work. But with an arc-fault breaker, there can be two additional causes to add to the list (the fourth and fifth below):

• An Overload - when electrical usage would have begun to overheat a circuit's wires
• A Short Circuit - very high current resulting from a fault on the circuit
• An Overheating Breaker - when the breaker itself has poor contacts or connections
• A Ground-Fault - smaller leakage off of the intended circuit. In this I include shock hazards, neutral to ground faults, and the differing current on the neutral wire when it is being shared by another circuit.
• An Arc-Fault - sparking happening on the circuit or its lights or appliances

Troubleshooting an AFCI That Trips

Which of the five causes has tripped an AFCI breaker can be quite important in how you go about solving the problem. Some AFCI brands may have an indicator on them that will show (if you haven't already reset!) whether the cause of the last trip was an arc-fault or not. But you will still need to know what to fix and where. The table below also shows some additional causes having to do with the breaker itself or with long-standing things about the wiring in the house.

NOTES to narrow down which cause:

• To tell whether immediate tripping is from a ground-fault versus a short circuit, you might have to temporarily replace the AFCI breaker with a standard breaker (putting the solid white wire from the AFCI's terminal into the panel's neutral/ground bar). If the standard breaker holds, then the problem is more often a ground-fault, less often an arc-fault.
• In the case of an arc-fault device introduced into an existing home, a common cause of tripping will be that the neutral of the circuit is mixed somewhere with the neutral of another circuit ["(4)" above]. The two common places this mixing of neutrals would occur are at a 2-gang or 3-gang switch box where both circuits are present, or in a 3-way switch system where the neutral for the light(s) has been borrowed (improperly) from the other circuit.
• Although I have never yet been called to find the location of an actual arc that was tripping an AFCI, here is what could be done. As long as you do not leave it in place beyond your time of vigilant searching, a standard breaker could be put in the panel in place of the AFCI. You might then be able to hear, see, or smell signs of heat or arcing; blinking lights on the circuit would give additional clues. I am comfortable suggesting what might sound like playing with fire, because few cases of arcing are ever able to start fires. In most homes (most don't have AFCIs), when arcing at connection points ("series" arcing) has been happening for a while, it does commonly show itself eventually as a partial outage of the circuit, from the arcing point on. This can then be troubleshot more easily.
• Some appliance models, during their normal operation, have been known to trip an AFCI, by its sensitivity to either arcing (in flat-screen TV, vacuum, other motor) or to ground-faults (in treadmill, fluorescent lights). There may not be anything wrong with the appliance or breaker, unfortunately. HAM radio transmissions have also been known to cause GFCI and AFCI tripping (see this site for details).
• If the AFCI breaker lets you reset it and does not repeat its tripping, you do not need to know or to worry about the cause. For the record, it was probably an overload or arc-fault that was only a one-time event.

By the 2014 Code, anyone (including homeowners) replacing a receptacle in most rooms of a house will be required to make it be arc-fault protected. This will have to be accomplished by installing a costly device there or earlier in the circuit. No more "if it's broken, just replace it." From the beginning, homeowners, electricians, and contractors have questioned the importance and suitability of AFCIs.

"I'm a retired police Lieutenant so writing a note to a detective is familiar to me. What wasn't familiar, (because I just found your site and bought your e-book), was how to troubleshoot an AFCI! The information posted on your site confirmed my solution. Now I'll have your Circuit Down to follow in the future." -Mike

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Breaker trips with no load

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GFCI breaker tripping with no load

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This one I can't figure out. I have a GFCI breaker that according to the label it feeds the back door outside plug and it use to feed an outlet for a soaker tub in one of the bathroom. I did some Reno's last year and took out the plug near the soaker tub and moved it to the hallway. Had no issues at all until roughly few weeks ago. The GFCI breaker is tripping at random times, sometimes every few minutes and sometimes once in 24hours. I found out that breaker is only feeding the hallway plug and not the backdoor plug, reason is I still had power to the outside plug when it tripped. Both the front and back outdoor plugs is on another GFCI breaker. My question is, if there isn't a load then what is making the breaker trip at random times? Breaker is I would say 15years old, can it be going bad? Only thing I added to the main panel last month was a dedicated line for my sewage pump for the basement bathroom. Can the neutral from that line cause the GFCI breaker to trip? Thank-you any information would much appreciated  

They do go bad. The reason you are supposed to test regularly. If it only goes to the hall, replace the breaker with a regular breaker or arc fault breaker. Option #2 is, because the receptacle is no longer a major load, combine it's wire with another bedroom/living room circuit.  

I doubt it. I think the GFCI is doing its job and it's detecting a ground fault. One reason things will trip "randomly" is when something on another circuit is activated and uses the GFCI's neutral to return its current. Your question about the dedicated "line" to the sewage pump, and the way you said it, makes me wonder if you are doing something naughty with neutral wires. Which, yeah, would trip a GFCI. Unhook the hot and neutral wires from the GFCI (leave the neutral pigtail going to the neutral bar). Leave it that way for 48 hours, if it stops tripping the GFCI is fine, it's the wires and what they're connected to.  

seharper said: I doubt it. I think the GFCI is doing its job and it's detecting a ground fault. One reason things will trip "randomly" is when something on another circuit is activated and uses the GFCI's neutral to return its current. Your question about the dedicated "line" to the sewage pump, and the way you said it, makes me wonder if you are doing something naughty with neutral wires. Which, yeah, would trip a GFCI. Unhook the hot and neutral wires from the GFCI (leave the neutral pigtail going to the neutral bar). Leave it that way for 48 hours, if it stops tripping the GFCI is fine, it's the wires and what they're connected to. Click to expand...

I agree with seharper, you may have a bad GFCI. They do not trip on overload, just an imbalance between the hot and neutral. Somewhere you have a ground fault, and the GFCI is doing its job, OR you have a bad one.  

Even an overly tight box clamp or Romex staple can cause a low inductive loss from the hot leg, which will then trip a GFCI. These things must trip at a current imbalance of only 5 milli-amps and some will trip earlier. It doesn't take much to cause such a small current loss.  

Also, check neutral ground connections. An immediate trip with no load is usually due to this.  

Well 2 days later the breaker tripped. Interesting enough only thing that was different today was it rained. I'm wondering if it can be related to water getting In somewhere that's causing the breaker to trip. Sent from my SM-G935W8 using Tapatalk  

Does your outside receptacle have an "in use" bubble cover? Water could be the culprit.  

Yes they all do, however that breaker doesn't provide power to any of those plugs. Sent from my SM-G935W8 using Tapatalk  

black_escape said: GFCI breaker that according to the label it feeds the back door outside plug Click to expand...

chandler48 said: I was going on this, when I mentioned it. It has a bubble cover. Click to expand...

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