3 Way Line Wiring Diagram. Pictures Descriptions and Handy Tips from Working over 40 Years as an Electrician. Wiring a three-way switch happens with the use of the 3 CoreEarth cable.
Assortment of 3 way switch wiring diagram. Its a foolproof way for a proper. All three switches are connected together by a three core and earth control cable.
Regardless of what 3-way switch wiring diagram youre following youll need to use a 3-wire cable to connect the two 3-way light switches.
Wiring Diagrams for 3-Way Switches 3-way switch diagram 2 above shows the electricity source starting at the fixture. 1 trick that We use is to print out exactly the same wiring picture off twice. At each switch there is only ONE cable going to the switch nothing going out. This cable consists of three cores - brown grey and black which are all Line colours and an Earth wire.