Three Way Electrical Switch Wiring Diagram

Three way switch diagrams fully explained wiring 3way switches 3 way switches are a convenient way to operate lighting fixtures from two locations.

Three way electrical switch wiring diagram.

With these diagrams below it will take the guess work out of wiring. Typical 3 way switch wiring nm cable. I have a outside light by the door going out of the home that is controlled by a single pole switch. 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.

Wiring a 3 way light switch. The black line wire connects to the common terminal of the first 3 way switch. This might seem intimidating but it does not have to be. Take a closer look at a 3 way switch wiring diagram.

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. This is the 3 wire cable which you must have to wire a 3 way. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. An example of three way switch wiring with the line and load in the same 4 square electrical box.

Traveler wires are interchangeable. 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. 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. 3 way switch wiring diagram with line and load in the same switch box. Diy electrical wiring a 3 way switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.