Three Way Light Switch Diagram
The fixture s hot wire connects.
Three way light switch 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. 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. Three wire cable runs between the switches and 2 wire cable runs to the light. This might seem intimidating but it does not have to be.
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. With these diagrams below it will take the guess work out of wiring. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. 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.
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. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. Take a closer look at a 3 way switch wiring diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
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 black and red wires between sw1 and sw2 are connected to the traveler terminals.