This is because the switch may turn the light on or off in either position. 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.
Changing From A 4 Way Switch To A 3 Way Switch Home
How do you wire up a 3 way switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Heres how to wire a three way switch with easy tips from the family handyman. Wiring a 3 way light 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. First run a 2 wire cable from the wall power to the black screw on 1 of the switches. This might seem intimidating but it does not have to be.
With these diagrams below it will take the guess work out of wiring. If you examine a three way switch you will notice several differences when compared to standard single pole switchesfirst the body of the switch will be thicker and bulkier than that of a single pole switch. Also the switch toggle lever on a three way does not have the on off markings found on a single pole switch. Take a closer look at a 3 way switch wiring diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.