Gfci Breaker. When the test button is pressed the gfci breaker should open immediately. In other words the gfci will trip.
Circuit breakers gfcis are different than circuit breakers in that they are more sensitive. Gfcis however protect against electrical currents that are too low to trip breakers but are more than enough to cause injury. On their own circuit breakers only protect against overloads and resulting fires.
Testing should be conducted regularly and the gfi outlet or gfci breaker should be replaced if it is not.
In cases where afci protection is also called for increasingly common there are. Gfci breakers will have a test function that causes a deliberate ground leakage. The most often used receptacle type gfci similar to a common wall outlet is the type with which most consumers are familiar. Eaton br 20 amp single pole self test ground fault circuit breaker 53 model gftcb120cs 48 75.
