The answer to 'flickering junction box' is that a flickering or blinking junction box is often caused by loose or faulty electrical connections. This can be a sign of an underlying issue that requires prompt attention to prevent potential fire hazards or other electrical problems.
Common causes include loose wire connections, damaged or corroded terminals, or problems with the circuit breaker or wiring feeding the junction box. Symptoms may include flickering, dimming, or pulsing lights, as well as buzzing or humming sounds coming from the box. In some cases, the flickering may be intermittent, making the issue harder to diagnose.
If you notice a flickering junction box, it's best to have a licensed electrician inspect it as soon as possible. Attempting to troubleshoot or repair the issue yourself can be dangerous if you're not properly trained. An electrician can identify the root cause and make the necessary repairs to restore safe, reliable electrical service.