Three Way Light Switch Diagram

Wiring diagram 3 way switch with light at the end in this diagram the electrical source is at the first switch and the light is located at the end of the circuit.

Three way light switch diagram. Typical 3 way switch wiring nm cable in the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. 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. The black and red wires between sw1 and sw2 are connected to the traveler terminals.

This might seem intimidating but it does not have to be. Take a closer look at a 3 way switch wiring diagram. 3 way switch wire diagram power to light switch in this diagram the incoming hot wire attaches to the first switch s common dark colored terminal. This 3 way light switch diagram shows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit.

The fixture s hot wire connects. With these diagrams below it will take the guess work out of wiring. Interested in a 4 way switch wiring diagram. 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 line wire connects to the common terminal of the first 3 way switch. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.