Why Is My Breaker Box Buzzing [8 Reasons]

The breaker box is one of the most important parts of your home or business. It’s the heart of your electrical system. Without a working breaker box, you won’t have electricity. And that means you won’t have power to run appliances, lights, or even your phone.

In fact, a lot of people don’t realize that a buzzing breaker box is actually a very dangerous problem. It can be a sign of a serious issue with your home or business.

In this post, we will show you the most common causes of a buzzing breaker box.

8 Reasons of Buzzing Your Breaker Box

There is nothing worse than hearing a buzzing breaker box. It’s usually a sign that something is wrong with the electrical system. In some cases, the problem can be easily fixed. In other cases, the problem may be more severe and you will need to call an electrician. If you are experiencing a buzzing breaker box, there are many possible reasons for it. These include:

1) Overloaded

When a breaker box is overloaded, it may produce excessive heat and increase the probability of a fire. In addition, overheating could damage connected equipment, which would require replacement. These costs would be unnecessarily expensive.

Overloading an electric breaker also risks harm to the individual and others, especially if it poses a fire hazard. Sometimes, your breaker box may explode as well. So keep an eye on how many devices you are using and try to be conservative. As a result, you will be able to prevent your breaker box from buzzing and potentially causing harm.

2) A loose or damaged wire

Your breaker box may be buzzing due to a loose or damaged wire. The problem with the wiring in your home can lead to all sorts of issues. In most cases, they need to be repaired immediately. If you are hearing a noise coming from your breaker box continually due to damaged wire, it is recommended that you should replace the wire which has enough gauge to load your all device’s power.

3) A slight hum is normal

A usual hum can sometimes be heard emanating from a breaker’s box. This is caused by the electricity flowing through the wires. If there is no other noise associated with the hum, it is usually not an indication that something is amiss.

In some cases, the noise is more than just an ordinary hum. The sound of electricity should always be regarded as a cause for concern. This type of noise can be the result of a problem with the connections within the breaker box. However, if the noise is more loudly, there may be a problem with your electrical system.

4) A particular circuit breaker is terrible

Due to a particular defect in your circuit breaker, you hear a buzzing sound, as well as experience a dimming of your home’s lights. You may also notice vibrations in your wall and see sparks coming from the breakers.

In this case, a breaker attempts to shut off the power, but instead, the electricity flows through the defective breaker and into the wires. As a result, your walls begin to vibrate. So, when a specific part of your breaker fails, it can cause sparks, buzzing noises, and vibrations whenever the breaker tries to turn off the power. Therefore, it would be best to fix it immediately by replacing a new one.

5) Low flow of electricity

The low flow of electricity can cause a buzzing circuit breaker box for several reasons. One reason is that the box is old. Older houses are more likely to have outdated electrical systems.

Also, too many appliances are plugged in simultaneously is another reason.

Consequently, if you have many appliances plugged in and they’re all attempting to draw energy at the same time, the electricity could be too low for your circuit breaker box to handle.

6) Failing to trip

Failing to trip a circuit breaker box is another cause of a buzzing. It means that too much current is flowing through the wires, which results in a buzzing sound. If the current is too high, it could cause fires or other types of damage.

Therefore, it is imperative to know how to trip a breaker box in an emergency. There are a few ways to do this, but the most effective method is to turn it off.

7) Breaker box’s switchgear

Switchgear is one of the most important parts of your breaker box. It controls the main connection between your circuit breakers and your wiring system. Sometimes, when a breaker box gets older, it will start to make loud sounds. This is usually caused by something in the switchgear itself.

8) Breaker box’s power cords

Power cord usually is connected to the main power line. If the power cords are not properly connected to the main power panel, they will not properly direct the energy to your circuit breakers.

Sometimes your electric breaker box can start buzzing due to damaged power cords. This can be caused by water leakage, voltage spike, worn-out insulation, etc. Water leakage can cause your breaker box to malfunction. If this happens, you can call an electrician to repair the problem.

What are the Signs of a Faulty Breaker?

When you need to replace a breaker, the first thing you should do is check if it’s faulty. If you see any of these signs, you should replace the breaker as soon as possible:

  • Breaker doesn’t remain reset
  • Overloaded circuit
  • Trips frequently
  • Breaker won’t reset
  • Hot to the touch.
  • Burning smell 
  • Popping sound
  • Power surge
  • Dimming lights
  • Fuses that blow frequently


A buzzing breaker box is a common problem that is caused by a variety of things. Sometimes, it’s just a loose wire, sometimes it’s a bad breaker, or sometimes it’s bad ground. But in many cases, a buzzing breaker box can be a sign of a bigger problem, such as a damaged main panel or wiring.

So if you’re hearing buzzing breaker boxes, check the breaker box for any damage, and then call your local electrician to get the issue resolved.

Leave a Comment

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Scroll to Top