The answer to 'why is my electrical panel buzzing noise' is that a buzzing noise coming from your electrical panel is typically caused by a problem with the electrical components inside. This could be due to loose connections, a faulty circuit breaker, or other issues. A buzzing noise is often a sign of an electrical problem that needs to be addressed.
If you hear a buzzing noise coming from your electrical panel, it's important to investigate the cause right away. Buzzing can indicate a serious issue, such as an overloaded circuit or a problem with the main service feed. Ignoring a buzzing noise could lead to more severe electrical problems, including the risk of fire or electrical shock.