Schematic 4 Way Switch Wiring Diagram Light Middle. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page.
In the diagrams below the first switch 3 way common terminal connects to line voltage. The schematic diagram below shows how all four way switches are wired. 4 way switch wiring diagram light middle database.
The white wire is marked black at each end to mark it as hot.
Otherwise the arrangement will not function as it should be. In some countries the four way is called an intermediate switch. 4 way switch wiring diagram light middle database. A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle.
