4 Way Switch Wiring Diagram Home. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. In this circuit the power comes in through the first switch.
The other pair of the second switch 4 way travelers connect to one pair of the third switch 4 way travelers. Four way switch wiring diagram with the line and the load in the same switch box. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article.
The 4 way is used when you want to control the light or lights from two or more locations.
A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. The white wire needs to be re identified as a hot conductor because it is not being used as a neutral in this installation. In the diagram above splices are made and a three conductor cable is installed between all the switches. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page.
