The first step is to check which appliances are connected to the circuit that keeps tripping. There are only five possible reasons. Switch damage Switch what bad things can happen, trip is more common for no apparent reason. Can take trip switch load down the line, change other circuit. If it does not trip, plug devices in one at a time checking if either an object, outlet, surge protector and/or all of the above need to be replaced. It could be a sign of a bigger electrical problem that needs your immediate attention. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help. While this is a common safety mechanism designed to protect your home's electrical system, it can be frustrating when it keeps happening or you're. Backup box circuit breaker tripping could be caused by incorrect wiring configuration, overloaded backup circuitry, high residual current and internal short circuit inside backup box. Ensure essential loads shall not exceed the limit, 2.