How To Wire A Gfi

Gfci circuit breakers last longer than gfci outlets and are a good idea if you do not test your gfci outlets on a regular basis.

How to wire a gfi. This is because the gfci protection device will clear a ground fault when the fault current is 5ma or 1ma which is less than the current level necessary to cause serious electric shock or. Disconnect the hot wire which is black from the existing outlet and connect it to the brass line terminal on the gfci. Place the red probe of the voltage tester to each black wire until the tester lights up. The ground fault circuit interrupter gfci saves lives.

Gfci combo switch and outlet wiring circuit diagrams and installation. This is the black wire that will connect to the line brass screw. If installing a gfci on an ungrounded circuit refer to the manufacturer s instructions. Types working applications in today wiring tutorials we will be showing how to wire and install a gfci outlet in residential areas to protect the light switch ordinary outlet receptacle light and switches.

To replace your two prong outlet with a gfci start by turning off the breaker controlling the outlet circuit and unscrewing the outlet from the electrical box. There are two different kinds for home use electrical outlets and circuit breakers. Strip the insulation from the wires to expose the amount of wire shown on the stripping gauge located on the back of the gfci plug receptacle. Ground fault circuit interrupter.

To properly wire gfci or ground fault circuit interrupter receptacles turn off the power to the circuit you re working on and unscrew the cover plate on the outlet box. As discussed before gfci also known as ground fault circuit interrupter is a protection device against electric shock which detects the ground faults and leakage currents especially in outdoor and watery areas such as bathroom kitchen laundry etc. Carefully touch the black probe of the voltage tester to the metal box or bare copper ground wire. If there is only 1 cable containing 2 3 wires connect the white line wire to the silver or white terminal and connect the black wire to the brass terminal which is the hot terminal.

Read on to learn more about proper installation.