Ground fault circuit interrupters are supersensitive circuit breakers that monitor the electrical current flowing in the hot (black) and neutral (white) wires of a circuit. If the current flow in both wires is the same, everything is functioning properly. If, however, more current flows in one wire than the other, there’s current leakage to ground. A GFCI can sense any current difference and cut off the power to the circuit within 1/40^th of a second. This could save your life because a continuous flow through your body could be lethal. You are particularly vulnerable when on wet ground or in a damp bathroom.

Considerations
GFCIs are available for residential use in several forms: in a wall receptacle, in a circuit breaker or in a portable outlet unit. GFCIs are now required for all new construction receptacles near a water source such as at exterior, garage, bathroom and kitchen locations. Whirlpools, spas and swimming pools also require GFCI protection. While GFCI’s may not have been required at the time of original construction, the HouseMaster Technical Staff recommends their installation in appropriate areas of all homes.

© HouseMaster