Amazing Basic Three Way Switch Wiring
3 way switch wiring diagram depicting all wires in the ceiling junction box.
Basic three way switch wiring. Be sure to identify the electrical circuit correctly you ll be wiring into and turn off the breaker at your home s main electrical panel. The line white neutral wire gets connected to the light fixture. This is the most common and the easiest wiring diagram to follow of any of the wiring diagrams for a 3 way switch circuit.
Basic 3 way switch diagram how to wire 3 way light switch step by step. Turn the power off at circuit breaker. The 3 wire cable consist of a black wire a white wire and a bare copper wire while the 4 wire cable has an added red wire which is hot as well.
The black wire from the other 3 way gets connected to the line black wire. 3 way switches are useful for large rooms with multiple entrances but require a bit more wiring than a standard single pole switch. A 3 way switch allows you to turn a light on or off from two different switches.
At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. To make sure there s no room for doubt you can use a. 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.
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. The basic 3 way switch wiring diagram. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.