The answer to 'fuse box buzzing noise' is that a buzzing or humming sound coming from the fuse box or electrical panel is often a sign of a problem with the electrical system. This can be caused by loose connections, faulty components, or overloaded circuits.
Some common causes of a buzzing fuse box include: loose wiring or connections, a failing circuit breaker, an overloaded circuit, or a problem with the main service panel. In some cases, the buzzing may also be accompanied by flickering lights or other electrical issues in the home.