Gfci Breaker. When the test button is pressed the gfci breaker should open immediately. Gfci circuit breakers protect the entire circuit.
The user is protected by an insulted test button. There are three types of gfcis. Eaton br 20 amp single pole self test ground fault circuit breaker 53 model gftcb120cs 48 75.
One of the benefits of a gfci breaker is the full protection against ground faults.
Circuit breakers gfcis are different than circuit breakers in that they are more sensitive. On their own circuit breakers only protect against overloads and resulting fires. Square d qo qwik gard 20 amp 2 pole gfci breaker. Siemens 20 amp single pole type qpf2 gfci circuit breaker 68 model us2 qf120ap 53 44.