The answer to 'circuit breaker making buzzing noise' is a buzzing or humming sound coming from a circuit breaker is often a sign of an issue with the breaker itself. This can be caused by a loose connection, a failing component inside the breaker, or an overloaded circuit.
If you hear a buzzing noise from a circuit breaker, it's best to investigate the issue further. First, check if the breaker is tripping or if the circuit is overloaded. If the breaker is not tripping, you may be able to resolve the issue by tightening the connections or replacing the breaker. However, if the issue persists or the breaker is tripping, it's recommended to call a licensed electrician to diagnose and fix the problem, as they have the expertise to safely work with electrical systems.