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.

Three way light wiring.

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. First run a 2 wire cable from the wall power to the black screw on 1 of the 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. 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. Wiring diagram 3 way switch with light at the end. Three wire cable runs between the switches and 2 wire cable runs to the light.

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. 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.