4 Way Wiring Diagram. Conventional 4 way switch wiring. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page.
4 way switch wring diagram. The white neutral splices to the white to the light. Keep in mind that each light switch will count as two wires when calculating your box fill.
I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects.
Basic 4 way switch wiring diagram. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. One ground and 4 circuit terminals divided into two matching pairs called travelers. Click here to access.
