Three Way Wire Diagram. If you need multiple lights attached to this system just connect them together white wire to white wire and black to black. Most likely to be found with wires in conduit.
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. Three wire cable runs between the switches and 2 wire cable runs to the light. The cable consist of a black wire a.
Usually the third wire passes the middle intermediate switch but is joined in a separate terminal block.
3 way switch wiring diagrams with pdf by catherine mikhailov table of contents hide diagram 1. Red wire traveler or switch wire. Wiring a standard 3 way dimmer switch. Wiring diagram 3 way switch with light at the end in this diagram the electrical source is at the first switch and the light is located at the end of the circuit.