The buzzing sound can indicate a potential electrical hazard, such as a short circuit, overheating, or arcing. Issue: Is it common for a breaker to make a buzzing noise? It is buzzing under certain loads. Resolution: Operational noise has been a question for a long time and it is generally a stacking up of factors which by themselves go unnoticed, but which together are noticed. • Loose bolts, current. A buzzing noise coming from your electrical panel, often called a fuse box or breaker box, should be treated with urgency because it represents an electrical fault that is abnormal and potentially hazardous. Letting the problem go unaddressed could lead to further complications and even pose a safety risk. In fact, according to the National Fire Protection Association, fire. There are plenty of reasons why you hear that electrical box humming noise. The causes are organized according to their severity.
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