Three Way Light Wiring

Wiring diagram 3 way switch with light at the end.

Three way light wiring.

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. 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. Wiring a 3 way light switch. First run a 2 wire cable from the wall power to the black screw on 1 of the switches.

As it is three way switching wiring connection we have used two switches one is ordinary 3 way switch and the second one is 3 way pilot light switch. Three wire cable runs between the switches and 2 wire cable runs to the light. 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. With a pair of 3 way switches either can make or break the connection that completes the circuit 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. 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. 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.