Three Way Light Wiring

3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box.

Three way light wiring.

As the purpose of this 3 way switching wiring is that to control the light bulb from two different places same like the three way switching in staircase wiring while using pilot light switch. In this diagram the electrical source is at the first switch and the light is located at the end of the circuit. Wiring a 3 way light switch. 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.

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. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Three wire cable runs between the switches and 2 wire cable runs to the light.

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. 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.