3 Way Circuit Diagram. 3 way switch wiring diagram. This wire diagram shows the wiring for source power into the first three way switch then 3 wire cable to the next 3 way light switch and then on to the light or light fixtures.
The basic 3 way switch wiring diagram. This is where two switches control the same light or lights. This might seem intimidating but it does not have to be.
The electricity source is connected to the 3 way switch first.
The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. Three way switch wiring with light middle. 3 way switch wiring with. In the above diagram the power from the electricity source is coming through a two wire cable to the first switch.