3 Ways Switch Wiring Diagram. Turn the Power Off at Circuit Breaker The first step in any electrical project is to make sure there is no power going to the circuit you plan to be working on. When you use your finger or even the actual circuit together with your eyes it is easy to mistrace the circuit.
The switches may be arranged so that they are in the same orientation for off and contrasting orientations for on. This cable consists of three cores - brown grey and black which are all Line colours and an Earth wire. Then a 4-wire cable going between the two 3-way switches and then a 3-wire cable going from the switches to the load.
3 Way Switch Wiring with.
The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. It shows the elements of the circuit as streamlined shapes and the power and also signal links in between the devices. By correctly connecting two of these switches together toggling either switch changes the state of the load from off to on or vice versa. The system also requires three-way switches.