All three way switches have one screw that is a different color than the others. Let us show you how.
Understanding Three Way Wall Switches
How to change a 3 way light switch. Connect the ground wire to the green screw. White black and red plus a bare ground wire. Need to install or replace a 3 way light switch in your home. Connect the wires to the new 3 way switches with ground screws using one of the two wiring diagrams fig. The necessary supplies though are critical so make. Its easier than you might think.
The 14 3 cable has three insulated conductors. Then use a voltage tester to make sure that the circuit is dead. 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. Turn off the power to the switch at the circuit or fuse panel. Unscrew the switch from the electrical box and pull it out with the wires still. Feed a length of 14 3 type nm cable or 12 3 if youre connecting to 12 gauge wire between the two boxes.
First page loaded no previous page available. You wont need many tools for this job. Connect the wire marked common to the black or dark colored screw. Currently loaded videos are 1 through 15 of 36 total videos. Connect the two remaining traveler wires to the two brass or light colored screws. How to replace your old outdated 3 way light switches step 1.
When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Shop all dimmers switches share. The most basic three way switch setup has two switches that connect and control one light. A video on how to replace a 3 way switch. 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.
To replace a three way switch follow these steps.