3 Way Switch Wiring Diagram Residential. Three way switch wiring diagram three way switch wiring diagram three way switch wiring diagram australia three way switch wiring diagram ceiling fan every electrical arrangement is composed of. Wiring diagrams for 3 way switches 3 way switch diagram 2 above shows the electricity source starting at the fixture.
Before we get to wiring diagrams here is how the 3 way switch terminals are color coded. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. This page shows it wired in the old cable colours.
Black live or hot wire green ground wire white neutral or common wire red terminal wire two 3 way switches.
This allows a single light to be turned on or off from any of the switches. This is a common configuration in hallways and staircases. By looking at the moving 3 way switch above the hot black wire coming from the power source will always attach to the common screw on the 1st switch in the circuit. This allows a single light to be turned on or off from any of the switches.