Three Way Light Switch Schematic

Below is a simple 3 way schematic that can be applied to all three way electrical light switch connections.

Three way light switch schematic.

Interested in a 4 way switch wiring diagram. 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. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations. With these diagrams below it will take the guess work out of wiring.

Take a closer look at a 3 way switch wiring diagram. Two very old three way switches. 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. Wiring a 3 way light switch.

This might seem intimidating but it does not have to be. This 3 way light switch diagram shows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.

Two very old three way switches are depicted in the photo above. 3 way switch schematic wiring diagram. Three way switches allow for controlling a light fixture from two separate locations these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room.