Hearing random, persistent buzzing or crackling noises emanating from behind your drywall or interior wall cavities indicates a potentially serious electrical emergency requiring prompt investigation. The primary cause is often a high-resistance loose electrical connection or micro-arcing inside a hidden junction box, switch enclosure, or outlet box. First, locate the area and check if warm spots exist on the drywall faceplate. You can troubleshoot electrical risks safely by shutting off the main circuit breaker. You can verify that your corrective action is successful when shutting off power, opening wall plates to inspect junction boxes, tightening loose wire nuts, and repairing damaged connections eliminates the auditory warning signs.
1 votes
Marked as accepted