Three Way Electrical Switch Wiring Diagram

Traveler wires are interchangeable.

Three way electrical switch wiring diagram.

This is the 3 wire cable which you must have to wire a 3 way. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. An example of three way switch wiring with the line and load in the same 4 square electrical box.

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. Typical 3 way switch wiring nm cable. Three way switch diagrams fully explained wiring 3way switches 3 way switches are a convenient way to operate lighting fixtures from two locations. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.

How would this be wired. I have a outside light by the door going out of the home that is controlled by a single pole switch. With these diagrams below it will take the guess work out of wiring. Take a closer look at a 3 way switch wiring diagram.

Building a new workshop that is detached from home. Diy electrical wiring a 3 way 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. The white wire between switches is not being used as a neutral.

The black line wire connects to the common terminal of the first 3 way switch. Wiring a 3 way light switch. In the above diagram the white wire must be re identified as a hot wire at each switch location. This might seem intimidating but it does not have to be.