Wiring 3 Way Light Switch Diagram. Diagram electricity site 12 volt 3 wire switch diagram indexnewspaper com 3. In this method the power source is at the light fixture and the two 3 way switches follow after the light fixture.
Black for live or hot wire. Before we get to wiring diagrams here is how the 3 way switch terminals are color coded. The two wire line cable goes into one switch box and the two wire load cable goes into the other switch box.
In this updated diagram 3 wire cable runs between the receptacle and switch and the red cable wire is used to carry the hot source to the switch.
The two wire line cable goes into one switch box and the two wire load cable goes into the other switch box. This wiring diagram helps you understand the type of cables you will require for this configuration. Black live or hot wire green ground wire white neutral or common wire red terminal wire two 3 way switches. Three way switching 2 wires two wires between each switch.