Both older and modern electrical panels can produce some noise as they run. The panel is the hub for your home’s electrical center and ensures that every outlet works properly. Many people hear a loud humming or buzzing sound, which worsens when they try to ignore it. Now is a good time to find out what those noises mean.

Electrical Arcing

Electrical arcing is a problem caused by gaps around the power. These gaps prevent the power from completing a full circuit. They can appear when you have damaged components or loose wires. When the power runs through the panel, it can jump or arc across the gap. You might hear a pop or crackle as the power closes the gap. Electrical arcing can also create buzzing and humming noises.

Damaged or Loose Wiring

Damaged or loose wiring can lead to loud buzzing noises. Old wiring won’t last forever and can wear down as it ages. You might cause some minor damage if you attempt DIY repairs. If the problem is with the wiring, you’ll usually notice the panel releases some sparks. Always keep an eye out for any sparks. There’s a chance that one wayward spark can hit clothing or furniture nearby and start a fire.

Installation Problems

Whether you had someone look at your electrical panel, did some work yourself, or bought an older home, some of the noises you hear can indicate improper installation or installation problems. Improper grounding is one possible issue when your house has no ground bar outside. It’s likely that someone who worked on the panel reversed the polarity or used one or more of the wrong parts. You’ll want an electrician to check the system to discover if the buzzing sounds you hear are due to installation errors.

Circuit Overload

Every circuit breaker in your electrical panel is designed to accommodate a set amount of power. If you overload a circuit, it will trip, preventing the system from overheating and causing a fire. It also reduces the stress on the circuit and extends its lifespan. The breaker can make some strange noises if you overload them. Overloading is typical when you have a lot of electrical devices running off the same outlet. You can also experience similar problems using too many extension cords or surge protectors on one circuit.

Don’t ignore humming, buzzing, crackling, or other sounds from your electrical panel. Ignoring them increases the risk of the panel breaking down or starting a fire. For help with electrical panels, like replacing damaged wiring or a broken circuit breaker, reach out to The Electric Company in Modesto, CA today.