Do your home's electrical circuits sometimes make a buzzing sound? Several different electrical issues can cause this kind of noise. Some of them can be rather dangerous, so it is a good idea to call an electrician to investigate. Take a look at the possibilities so you know what you can expect.
1. Electrical Meter Fault
Try to locate the source of the buzzing sound. If it seems to be coming from your home's electric meter, then it is possible that the meter has developed a fault. Problems with the electric meter can affect your home's electrical supply, as well as the accuracy of your billing, so it is important to call an electrician as soon as possible to avoid racking up overly large bills.
2. Loose Connection
Loose connections are perhaps the most common cause of electrical buzzing in a typical home. Sometimes, loose connections occur when wires or casings begin to degrade due to age. In other situations, they arise from pests such as mice chewing on the wires. If you can locate the source of the buzzing to a particular electrical outlet or switch, then it is a relatively easy task for an electrician to remove the plastic casing and repair the connection so that it is secure once more. Loose connections can present a fire risk, so it is important to get them professionally repaired as soon as possible.
3. Loose Screw
Sometimes, the looseness that causes the buzzing is not in an electrical connection, but rather in one of the screws that holds the front plate of a wall outlet or switch in place. When the casing is able to move slightly, it can start to vibrate or resonate when the electricity supply is switched on. Tightening the screws on the front plate should help resolve this problem.
4. Loud Fan
A typical home contains several fans to circulate air and allow moisture to escape from the home. Check your extractor fans in the kitchen and bathroom to see if they are responsible for the buzzing sound that is distracting you. A fan can start to buzz for several reasons, including dirt obstructing the blades, a blade coming loose, or a fault with the motor. If switching the fan off, giving it a good clean, and then switching it back on again does not resolve the problem, then you should call an electrician for help.
For more information, reach out to a local electrician.