Four Way Switch Connection Diagram. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. Click here to access note.
One ground and 4 circuit terminals divided into two matching pairs called travelers. Click here to access note. 4 way switch wiring diagrams national electrical code.
Conventional 4 way switch wiring.
Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. This 4 way switch diagram 2 shows the power source starting at the fixture. To view it at full size click on the diagram. The first switch 3 way travelers brass color connect to one pair of the second switch 4 way travelers black or brass color.
