A GFCI outlet costs $210 on average. In some cases, the circuit breaker itself may be faulty. Breakers that are old, damaged, or were installed incorrectly may trip frequently for no apparent reason.

When a GFCI outlet senses an overload or surge in electricity, it will instantly trip, triggering the breaker to cut off the electrical current to minimize the risk of electrocution. For safety ...

See? Good and evil. An RCD (or GFCI in the States) is a kind of circuit breaker that trips when the amount of current in the hot and neutral mains power lines aren’t equal and opposite ...