Wiring a 3 way light switch. If your 3 way light switch 2 is connected between the power supply and the light fixture as is most common.
Swap Out Those Old Crappy 3 Way Light Switches For Good Cnet
How to wire up a three way light switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Connect the wire marked common to the black or dark colored screw. Connect the ground wire to the green screw. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Take a closer look at a 3 way switch wiring diagram. Heres how to wire a three way switch with easy tips from the family handyman.
This might seem intimidating but it does not have to be. With these diagrams below it will take the guess work out of wiring. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. Interested in a 4 way switch wiring diagram. To wire a 3 way light switch youll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires.
Connect the two remaining traveler wires to the two brass or light colored screws. The existing 2 wire black and white romex can still be used to connect a 3 way switch 2 and the light fixture. First run a 2 wire cable from the wall power to the black screw on 1 of the switches.
Gallery of How To Wire Up A Three Way Light Switch
