This is only a wiring schematic and not the actual wiring method used for 3 way switch installations.
Three way lighting circuit diagram.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.
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.
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.
3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box.
Turn the power off at circuit breaker.
This might seem intimidating but it does not have to be.
3 way switch schematic wiring diagram.
With these diagrams below it will take the guess work out of wiring.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
Three way switching 3 wires.
Three wires between the two end switches probably using 3 core and earth cable.
Two very old three way switches.
Below is a simple 3 way schematic that can be applied to all three way electrical light switch connections.
Usually the third wire passes the middle intermediate switch but is joined in a separate terminal block.
Interested in a 4 way switch wiring diagram.
Take a closer look at a 3 way switch wiring diagram.
Basic 3 way switch diagram how to wire 3 way light switch step by step.
Wiring a 3 way light switch.