Be sure that the power distribution box has sufficient power provided to it. Long cable runs can result in a voltage drop, which can be solved by using a heavy gauge wire. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help. Remember to cut off the main power first! In case of tripping problem, we can first determine which circuit has the problem, and then turn on the. Very often, the lowest-level circuit breaker does not trip, but the upstream (higher-level) one does! This causes a large-scale power outage! Why does this happen? Today, we'll discuss this issue. Instead, the fault is likely localized to a protective. How to troubleshoot your powerpoint safety switch tripping guide.