3 Way Electrical Switch Wiring Diagrams. This might seem intimidating but it does not have to be. It ties into the common on the left switch.
Electrically a typical 3 way switch is a single pole double throw spdt switch. Dimmer first power source at dimmer find this pin and more on mechanical electrical plumbing by rebecca pultorak beccabode. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut.
The two wiring diagrams above are of a 3 way switch setup and the same basic setup with a 4 way light switch added.
How a 3 way switch works. Black for live or hot wire. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. The wiring diagram is normally made use of in electrical design to plan the.