Wiring Diagram For 3 Way Switch
To make this circuit work a 3 way dimmer is used in place of one or both of the standard 3 way switches.
Wiring diagram for 3 way switch. 2 way switch 3 wire system new harmonised cable colours 2 way switching 3 wire system old cable colours 2 way switching two wire control. Line switch load switch 1 if your wiring is like the diagram below you can wire your smart switch in the box with line. Having additional lights wired in parallel will not change the wiring below. There are 2 variations of dead end 3ways.
Power through switch light is controlled by two three way switches with the light between the switches and the power first going through a switch then to the light and onto the second three way switch. This method is commonly used by professional electricians. Making them at the proper place is a little more difficult but still within the capabilities of most homeowners thats where understanding a wiring diagram can be of help. Humbucker strat tele bass and more.
Extending the switch leg over to the common as shown in the photo above or extending the hot over to the common as described below. A dead end 3 way switch wiring method. 2 way switch 3 wire system new harmonised cable colours 2 way switching 3 wire system old cable colours 2 way switching two wire control. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. Fixture between two three way switches. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. Wiring a three way light switch is not a particularly difficult task there are only 3 connections to be made after all.
This is the wiring for a dimmer in a 4 way circuit.