How To Wire A 4 Outlet Box

First connecting the wires leading to downstream outlets with wire connectors creates a more secure connection.

How to wire a 4 outlet box. Here a gfci receptacle is added at the end of a row of duplex receptacles for single location protection. Attach the white wire to the silver colored screw terminal after and then connect the bare copper piece of wire to the ground screw at the bottom of the electrical box along with another piece of bare copper wire about 6 long. After you have prepared the wiring in the junction box install the first outlet by securing the black wire to the screw terminal with the brass colored screw. 3 wire cable into the switch box and a 4 wire cable from the switch box the the outlet box.

Whenever i do wiring i want to have a minimum of 6 inches of wire inside each receptacle box and some sheathing exposed in both the receptacle boxes circuit breaker box and 2 gang box. To perform this circuit you will need to use a 4 wire cable to allow for the extra circuit. Screw the outlet box into the wall so it stays in place. If they do trim off the damaged portion then strip away insulation from the end of the wire.

The first outlet is connected to the source and 2 wire cable runs from box to box. If necessary strip away 1 2 to 3 4 inch of plastic insulation from the end of each insulated wire in the box using wire strippers. Slide 1 foot 30 cm of the 10 4 cable through the hole on the back of the outlet box. Wiring multiple outlets and a gfci.

All wires are spliced with a pigtail at the devices to pass current to the next. If you are replacing an old outlet receptacle make sure that the ends of the wires are in good condition and have no nicks or scorch marks. The outlet addition methods we show here are based on the most common wiring 14 gauge wire on a 15 amp circuit and an 18 cu in. In this diagram two duplex receptacle outlets are installed in the same box and wired separately to the source using pigtails spliced to connect the terminals of each one.

Instead use wire connectors to connect the neutral hot and ground wires along with 6 in long pigtails. Box typical inside dimensions are about 2 in. If you re wiring an outlet in the middle of a chain of outlets you ll have two cables in the outlet box. And second it s easier to press the outlet back into the box if fewer of its screws are connected to wires.

The other cable goes to the next outlet in the chain. Included are arrangements for 2 receptacles in one box a switch and receptacle outlet in the same box and 2 switches in the same box. One of the cables is the live cable that either comes from another device that has power or directly from the panel. Wiring two outlets in one box.