3 Way Wiring Diagram

Installing a 3 way switch with wiring diagrams three way switches control lights and receptacles from two points.
3 way wiring diagram. 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. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. Three wire cable runs between the switches and 2 wire cable runs to the light.
Here s a 3 way wiring diagram i made back in the 1990s on a very crude version of microsoft publishing software. Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light switches. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.
Typical 3 way switch wiring nm cable. 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.
Take a closer look at a 3 way switch wiring diagram. The black line wire connects to the common terminal of the first 3 way switch. The basic 3 way switch wiring diagram this is the most common and the easiest wiring diagram to follow of any of the wiring diagrams for a 3 way switch circuit.
Traveler wires are interchangeable. This wire diagram shows the wiring for source power into the first three way switch then 3 wire cable to the next 3 way light switch and then on to the light or light fixtures. 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.
3 way switch diagram 2 above shows the electricity source starting at the fixture. Make a small donation 1 5 to keep it running. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches.