
How to Wire a 220 Volt Ground Fault Circuit Breaker | eHow
21-08-2020· Where circuit breakers in the service panel protect the wiring in a home, a GFCI protects people from faulty appliances or when they are using appliances in damp conditions. While most GFCI devices are power receptacles linked to a single appliance, it is possible to install GFCI circuit breakers to protect entire circuits.