5 Reasons Why Your Appliances Trip Your Circuit Breakers

Stephanie Shaykin
Reviewed by Tyler Keezer
Updated February 24, 2022
woman charging her phone in outlet
Photo: Maskot / Adobe Stock

It's not the kind of trip you want to keep taking

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You try to plug in the coffee maker or turn on a switch, and nothing works. Your circuit breaker has tripped for approximately the millionth time. If you know how to reset the circuit breaker, you can go through the motions. Or you can figure out what's causing the problem, so you don't have to run to the breaker panel every time you want a cup of joe. 

Circuit breakers trip for multiple reasons, and you'll learn the most likely ones here. Remember, for some solutions, it’s best to call a licensed electrician near you to make sure your home electrical system is operating safely, so you can get on with your morning routine. 

1. Test for a Circuit Overload

Circuit breakers in your house are critical safety mechanisms that keep wires from overheating.  The circuit breaker trips when an individual circuit receives too much current and automatically shuts down to avoid the possibility of a fire.

Most kitchen, laundry, and bathroom appliances run on a lot of electrical power. The appliances in these rooms are likely on the same circuit, even if they're plugged into separate outlets, and could cause a circuit overload when running simultaneously. You may overload the circuit when running the pressure cooker, toaster, and oven at the same time.

How to Test for Circuit Overload 

If one circuit breaker continues to trip, you may be using too much power in one section of your house. To test for circuit overload: 

  1. Turn off the breaker, and unplug all electrical devices and appliances in the area. Lamps, computers, and air conditioning units are just a few items you could be running on the same circuit.

  2. Wait a few minutes, and switch the breaker back on. 

  3. Turn the devices on one by one, then wait a few seconds to see if the circuit breaker trips. 

Did the breaker trip after turning on one of the electronic devices on the same circuit? If the answer is yes, then the circuit is overloaded.

A circuit breaker is usually a consistently warm temperature—but not hot. If the breaker box feels hot to the touch, seek professional help, or you could run the risk of an electrical fire.

Fixing an Overloaded Circuit 

One simple solution is to adjust power usage in that one challenging area. For example, you may be able to move around some appliances, so they’re on a separate circuit. 

However, this can be difficult depending on the spacing and setup of your appliances. If this is the case, you'll need to add circuits and possibly rewire your home. It can feel like a big project—and it’s definitely one that a local electrician should do. The cost to install a dedicated circuit is around $700. Rewiring portions of your home costs about $1,500 for simple projects and can go over $10,000 to rewire an entire house.

2. Identify a Short Circuit

When the required distance between wires isn’t maintained, loose wires can come into contact and cause a short circuit. A short circuit can cause a surge of electricity to flow through your electrical system, and your breaker will keep tripping.

What Causes a Short Circuit? 

Wires can loosen over time, which is a problem for many homeowners. There are a few reasons for a short circuit:

  • Rodents chewing on your wiring

  • Deferred maintenance, or outdated wiring in an older home

  • Faulty or old wire insulation or nails or screws have pierced it through the wall 

  • Loose wires within appliances, switches, or outlets

All of these causes can be challenging to detect and remedy without a professional's help.

How to Spot a Short Circuit

Repeat the previous test to check for a short circuit. This time, see if you're consistently tripping the breaker every time you plug a device into the same outlet. If so, you most likely have a short. Don’t use the outlet until it’s repaired, or you run the risk of getting an electrical shock, and make sure to keep the breaker in the off position instead of continually trying to reset it as this can also cause more problems.

3. Recognize a Ground Fault

Electricity consists of negatively charged electrons that flow and are attracted to the ground because it is positively charged. This might occur in your house as a ground fault, in which electricity shifts from its intended route and travels into the earth instead.

What Causes a Ground Fault?

Ground faults can happen when a conductor like metal or water comes into contact with an exposed wire or the metal components of an outlet. Water from a leaking pipe, for example, could end up dripping into an outlet or switch box and cause the electricity to alter its path and continue into the ground.

Ground faults may be why your circuit breaker is tripping, and they’re common in older homes. The breaker will keep tripping even when you try to reset it. Thanks to modern wiring, newer ground wires allow electrical currents to reach the ground—but if moisture enters your outlets, appliances, or switches, you may still need professional help.

What to Do About a Ground Fault

If you believe a ground fault is causing your circuit to trip, it's time to call a local electrician. Don't tamper with any stray electrical currents without the necessary training or expertise. When ground faults occur due to faulty wiring, anyone repairing it risks coming into contact with live wires.

Electrical injuries can be life-threatening, so proceed with caution. Unless you're a licensed electrician, seek a pro to diagnose and safely repair your electrical system.

4. Check Your Circuit Breaker 

If your circuit breaker keeps tripping, it might be an indication that the circuit breaker box is failing or the breaker is undersized—meaning the circuit is improperly sized for the amount of current (amperage) passing through it.

How To Tell if You Have a Bad Circuit Breaker

Circuit breakers, like any other item in your house, can wear out. Warning indications of impending failure include:

  • A breaker that will not reset

  • A strong, burning odor coming from the panel

  • Breakers frequently trip

  • Scorch marks on a breaker and other signs of damage

  • Signs of home electrical problems like flickering lights or malfunctioning outlets

Bad circuit breakers are a common issue in older homes. If you haven’t had repairs on your electrical panel done for at least 10 years, you probably need to replace some of your circuit breakers.

5. Repair Non-Functioning Electrical Appliances

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Photo: ARANAT STUDIO / Adobe Stock

If your appliances or electrical system are not functioning correctly, take some time to consider your options. Any appliance can trip your breaker, but if it has faulty wiring, you should repair or replace the wiring in the appliance before using it again. A faulty appliance with broken wiring will short automatically and can trip numerous breakers. 

How to Check Your Warranties

Check your user manual or call the manufacturer's customer service number to see what repair or replacement options are available. However, you'll need expert help if your house's electrical system fails.

Tyler Keezer, Home Energy Specialist and Expert Board Review member says, “As an electrical contractor, we deal with these types of issues every day, which can get serious if not looked after immediately. Having an experienced electrician evaluate and repair is always the best method if you’re experiencing any of these problems in this article.

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