3 Way Lighting Circuit Diagram. Red and blue wires link traveler terminals of both switches. Wiring a three way switch happens with the use of the 3 core earth cable.
In this diagram power enters the fixture box. The electrical symbol indicates where power enters the circuit. Three way switches allow for controlling a light fixture from two separate locations these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room.
Basic 3 way switch diagram how to wire 3 way light switch step by step.
Red and blue wires link traveler terminals of both switches. Connect the blue wire with the brown slewing coming from the light to the l2 terminal together with the 3 core earth cable grey wire. Red and blue wires link traveler terminals of both switches. With these diagrams below it will take the guess work out of wiring.
