Three Pole Switch Wiring Diagram

An example of three way switch wiring with the line and load in the same 4 square electrical box.

Three pole switch wiring diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. A wiring diagram is a simplified traditional photographic depiction of an electric 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 more fumbling in the dark.

This might seem intimidating but it does not have to be. 3 way switch wiring diagram. Attach the hot black wire to the common screw on the 3 way. 3 way switch wiring diagram with line and load in the same switch box.

In the above diagram the white wire must be re identified as a hot wire at each switch location. The white wire between switches is not being used as a neutral. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. In the first box splice the neutral white wire from the power supply to the white wire in the 3 wire cable going to the other switch.

Take a closer look at a 3 way switch wiring diagram. 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. With these diagrams below it will take the guess work out of wiring. Then run a 14 3 wire to the other switch location.

Wiring a 3 way light switch.