4 Way Switch Wiring Diagram Pdf. 2 wire cable runs from the light to the first switch and then 3 wire is run between all the switches. The 4 way is used when you want to control the light or lights from two or more locations.
To view it at full size click on the diagram. In fact a dimmer can be used this way in place of any of the 3. Conventional 4 way switch wiring.
In fact a dimmer can be used this way in place of any of the 3.
This is the wiring for a dimmer in a 4 way circuit. To view it at full size click on the diagram. In the diagrams below the first switch 3 way common terminal connects to. The wiring diagram further down depicts another choice of wiring method.
