Three Way Light Wiring

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.

Three way light wiring.

Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light switches. To wire a 3 way light switch you ll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires. So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire. No longer allowed after 2011 nec if no neutral wire in switch boxes 3 way switch wiring diagram light fixture between switchesline voltage enters the first 3 way switch outlet box light fixture is located between switch boxes no longer allowed after 2011 nec if no neutral wire in switch boxes.

Wiring a 3 way light switch. The black and red wires between sw1 and sw2 are connected to the traveler terminals. Three wire cable runs between the switches and 2 wire cable runs to the light. In this diagram the electrical source is at the first switch and the light is located at the end of the circuit.

First run a 2 wire cable from the wall power to the black screw on 1 of the switches. Wiring diagram 3 way switch with light at the end. 3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box.