3 Way Switch Diagram With Multiple Lights Between Switches. Line voltage enters the light fixture outlet box. A 4 way switch has five terminals.
In order to wire the 3 way switch properly you will need to use one of the diagrams that we will post below and which one you use depends entirely on your need. Line voltage enters the light fixture outlet box. It is true that there are several wiring configurations for wiring 3 way light switches and all of the wiring configurations will depend on where the incoming circuit power is located and once that is identified the rest of the three way wiring connections are straight forward.
The electricity source is connected to the 3 way switch first.
The power source is via the switch box sb1 and a 3 wire cable c1 runs from there to the first fixture f1. Here are some wiring cases. A 4 way switch has five terminals. Follow the wire colors to connect them easily or electrician will be better.
