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.
3 Way Switch Wiring Diagram
Replacing 3 way light switch. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. To replace a three way switch follow these steps. The necessary supplies though are critical so make. Currently loaded videos are 1 through 15 of 36 total videos. Test the switches with a voltage tester to ensure the power is off. Shop all dimmers switches share.
Turn off the power to the switch at the circuit or fuse panel. How to replace a 3 way light switch duration. Need to install or replace a 3 way light switch in your home. The 14 3 cable has three insulated conductors. Remove the cover plate from the switch box with a slotted screwdriver. Connect the ground wire to the green screw.
All three way switches have one screw that is a different color than the others. Unscrew the three way switch you suspect. Let us show you how. A video on how to replace a 3 way switch. How to install or replace a 3 way light switch. The most basic three way switch setup has two switches that connect and control one light.
Unscrew the switch from the electrical box and pull it out with the wires still. White black and red plus a bare ground wire. Replacing a 3 way switch. Start by turning off the power to the circuit youll be working on at the main electrical panel. 3 way switches explained how to wire 3 way light switch duration. Its easier than you might think.
You wont need many tools for this job. Unscrew and remove the switch plate. Be sure to check which switch you are replacing if your common wire is not labeled as the testing of the common wire will be different. Then use a voltage tester to make sure that the circuit is dead. Connect the two remaining traveler wires to the two brass or light colored screws. The family handyman editor rick muscoplat will teach you how to replace a three way switch and share a tip to make this job a piece of cake.
Connect the wire marked common to the black or dark colored screw. How to replace your old outdated 3 way light switches step 1.
Gallery of Replacing 3 Way Light Switch
