In this diagram the electrical source is at the first switch and the light is located at the end of the circuit. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram.

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3 way switch wiring diagram australia. This is the 3 wire cable which you must have to wire a 3 way. Take a closer look at a 3 way switch wiring diagram. It is true that there are several wiring configurations for wiring 3 way light switches and all of the wiring configurations will depend on where the incoming circuit power is located and once that is identified the rest of the three way wiring connections are straight forward. This might seem intimidating but it does not have to be. Wiring a 3 way light switch. Two very old three way switches are depicted in the photo above.
This is only a wiring schematic and not the actual wiring method used for 3 way switch installations. With these diagrams below it will take the guess work out of wiring. 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. 3 way switch diagrams for multiple light fixtures. 3 way switch schematic wiring diagram. Three wire cable runs between the switches and 2 wire cable runs to the light.
Wiring diagram 3 way switch with light at the end. Two very old three way switches. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Below is a simple 3 way schematic that can be applied to all three way electrical light switch connections. So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire. The black and red wires between sw1 and sw2 are connected to the traveler terminals.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch. 3 way switch wiring diagram.