One of the wires is the power. Unscrew and remove the switch plate.
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How to wire a triple switch. The common terminal should be marked on the back of the old switch. Cut five six inch lengths of 14 solid. To replace a three way switch follow these steps. Watch this video to learn how to install a 1755 decora multi control rocker switch. Turn off the power to the circuit at the breaker panel. Strip the three switch leg wires.
Unscrew the switch from the electrical box and pull it out with the wires still attached. Romex shown in yellow above is the trade name for a type of electrical conductor with non metallic sheathing that is commonly used as residential branch wiring. Feed a length of 14 3 type nm cable or 12 3 if youre connecting to 12 gauge wire between the two boxes. Connect the wires to the new 3 way switches with ground screws using one of the two wiring diagrams fig. White black and red plus a bare ground wire. In this updated diagram 3 wire cable runs between the receptacle and switch and the red cable wire is used to carry the hot source to the switch.
The switch box you will be using will have four black andor red wires inside. How to wire three switches in a gang box. You will need three black wire pigtails and five green wire pigtails. Then use a voltage tester to make sure that the circuit is dead. In fact romex will be the most. Tighten the screws firmly.
If you are changing an existing triple switch mark the wire going to the common screw. Turn off the main breaker. Cut three six inch lengths of 14 solid thhn black. If youre ever unsure about wiring a device please consult an electrician. This wire needs to go to the common screw. Turn off the power to the switch at the circuit or fuse panel.
The 14 3 cable has three insulated conductors. If the switch has push in connectors push the wires into the three slots labelled load if it does not have push in connectors use the needle nose pliers to bend the end of the wires into a loop and insert them under the load screws. Put a piece of tape over it to prevent someone from turning it on. The neutral from the source is spliced through to the switch box using the white wire and in this diagram the white wire is capped with a wire nut. How to wire a triple light switch step 1. Strip the three switch leg wires 12 inch from the ends.
Gallery of How To Wire A Triple Switch
