Wiring A Three Way Light Switch With Double Switch. Our easy to follow 3 way wiring diagram changing from a single pole to a 3 way light switch allows you to turn on any light from multiple locations such as at the top and bottom of a staircase or both ends of a hallway. Learn how to install a double switch or combination two switches.
Step by step instructions on how to wire a switched outlet. To wire a double switch you ll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture. You can see a diagram at electrical 101.
A three way switch is one that works in conjunction with another three way switch to power the same light.
At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. You often find three ways at opposite ends of a staircase. A three way switch is one that works in conjunction with another three way switch to power the same light. Our easy to follow 3 way wiring diagram changing from a single pole to a 3 way light switch allows you to turn on any light from multiple locations such as at the top and bottom of a staircase or both ends of a hallway.
