If the outlet box has four wires plus a ground, connect the second black wire to the brass terminal marked Load and the second white wire to the silver terminal marked Load. Connect the ground wire to the green ground screw by inserting the wire into the back-wire hole and tighten the terminal screw.
How do you wire a 4 wire GFCI outlet?
0:373:42How to Install a GFCI Outlet with 4 Wires - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis hot wire is live this hot wire thats live along with the corresponding neutral wire will go toMoreThis hot wire is live this hot wire thats live along with the corresponding neutral wire will go to the line. Side the hot wire that has no power and the corresponding neutral will go to the load.
Does a GFCI need 4 wires?
GFCI outlet with four wires comes with two black and two white wires in addition to the main ground wire. Before making the connections of the GFCI outlet with 4 wires, we need to determine first which pair of black and white wires among the two will be used for line and load.
How many wires can you connect to a GFCI outlet?
Unscrew the cover plate of the electrical outlet box with a flat-head or Phillips screwdriver. Identify how many cables or wires you have in your electrical outlet box. You should have no more than 4 loose wires or 2 cables with a total of 6 wires between them, including grounding wires.
Can you put 4 wires on an outlet?
2 Answers. There should be no problem doing what you want. One set of conductors brings power from an upstream device or outlet, while the other takes power to a downstream device or outlet. The two black conductors are electrically bonded through the receptacle, as are the two white conductors.
Why are there 2 sets of wires in one outlet?
When an outlet receptacle falls in the middle of a circuit run rather than at the end, there are generally five wires in the outlet box. Two cables are hot wires—one bringing power in, the other carrying it onward to the next receptacle. Two cables are neutral and serve the same function.
What happens if you wire a GFCI wrong?
If you miswired the GFCI it may not prevent personal injury or death due to a ground fault (electrical shock). If you mistakenly connect the LINE wires to the LOAD terminals, the GFCI will not reset and will not provide power to either the GFCI receptacle face or any receptacles fed from the GFCI.