When you plug in an appliance such as a hair dryer the gfci outlet monitors the amount of power going to the device. Arc fault circuit interrupters afcis.
Complete The Wiring Diagram Connecting Feed Through Gfci 2
Gfci outlet diagram. Loosen the silver and brass terminal screws on the line side of the outlet. And possibly saves your life. A gfci ground fault circuit interrupter is a special type of outlet that detects dangerous ground faults and immediately turns off the power to stop shocks. Unscrew the terminal screws of the new gfci outlet until they are difficult to turn. Gfci receptacle in a series with an unprotected outlet. Unlike a homes fuse the gfci is integrated in the outlet itself.
What gfci outlets do is reduce the danger of deadly shock from faulty plug in cords and devices. The load terminals on the gfci are not used and the last receptacle is wired directly to the circuit source. Wiring a gfci outlet with combo switch outlet receptacle light switch. Gfci outlets do not do well when they are overloaded. Gfci outlet wiring diagram. It means all the connected loads to the load terminals of gfci are protected.
Connect the black line hot wire to the brass screw marked line by inserting the wire into the back wire hole. You can replace almost any electrical outlet with a gfci outlet. In this gfci outlet wiring and installation diagram the combo switch outlet spst single way switch and ordinary outlet is connected to the load side of gfci. Ground fault circuit interrupters gfcis gfci load wiring. This diagram illustrates the wiring for multiple ground fault circuit interrupter receptacles with an unprotected duplex receptacle at the end of the circuit. Make sure the amp rating of your new gfci outlet matches the amp rating of the wiring and breaker or fuse.
So gfci designed as checking the difference between the current leaving and returning through current transformer of the gfci to protect device exceeds 5ma. If more than 1 black and 1 white conductor are in the electrical box also loosen the load side silver and brass terminal screws. Refer to the diagram above about wiring gfci receptacles for additional help. If you accidentally drop the appliance into sink full of water the gfci detects the interruption in current and cuts the power. You have not mentioned but it may be that the gfi outlet is rated for 15 amps and the circuit is actually a 20 amp circuit. A ground fault circuit interrupter is a protective device specifically designed to break the circuit every time there is an imbalance between incoming and outgoing current.
The gfci outlet protects electrical wiring and receptacles from overheating and possible fire greatly minimizing the risk of shock injuries and fatal burns. Tighten the terminal screw. In the gfci mainly two wires connect as also shown in a diagram the current flowing from the source and coming back are some due to current laws. As for the gfci outlet i have experienced where gfi outlets can act like a circuit breaker if the load that is passing though is too great. Gfci load wiring diagram.