The answer to 'electrical wiring buzzing noise' is that a buzzing or humming sound coming from your electrical wiring is often caused by a loose connection or voltage irregularity. This can be a sign of a more serious electrical issue that requires professional attention.
Some common causes of an electrical wiring buzzing noise include loose wire connections, outdated or faulty circuit breakers, problems with the electrical panel, or issues with the home's main power supply. In some cases, the buzzing may also be caused by electrical interference or a problem with a specific appliance or device connected to the circuit.