3 Way 4 Way Switch Wiring Diagram. The other pair of the third switch 4 way travelers connect to one pair of the fourth switch 3 way travelers. If you understand how to wire a 3 way switch you ll have no issues with a 4 way switch.
This might seem intimidating but it does not have to be. Wiring a 3 way light switch. At the risk of being repetitious make sure the power is off before making any connections to an existing circuit.
Do you need a 3 way switch wiring diagram.
4 way switch wring diagram. Do you need a 3 way switch wiring diagram. Wiring a new 4 way switch. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.