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. 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.
How To Wire Three Way Switches Part 1
3 way wiring diagram. The white wire of the cable going to the switch is attached to. The white wire between switches is not being used as a neutral. Three wire cable runs between the switches and 2 wire cable runs to the light. The black and red wires between sw1 and sw2 are connected to the traveler terminals. Take a closer look at a 3 way switch wiring diagram. What is the black screw for on a 3 way switch diagram.
With these diagrams below it will take the guess work out of wiring. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. A 3 way switch wiring diagram is a simple drawing showing how to connect the wires to each of the four screws on the 3 way switch. 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. First my easy to understand chart helps to identify the 3 way switch system for the application.
Typical 3 way switch wiring nm cable. This is the 3 wire cable which you must have to wire a 3 way. Traveler wires are interchangeable on each switch. 3 way switch wiring diagrams easy to understand fully illustrated and documented. The fixtures hot wire connects. Wiring diagrams for 3 way switches.
The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. This might seem intimidating but it does not have to be. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. The diagram below is based on the video you watched above. The black line wire connects to the common terminal of the first 3 way switch. 3 way switch wiring diagram with line and load in the same switch box.
The white wire must be re identified as a hot wire at each switch location. 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 wire diagram power to light switch in this diagram the incoming hot wire attaches to the first switchs common dark colored terminal. An example of three way switch wiring with the line and load in the same 4 square electrical box.
Gallery of 3 Way Wiring Diagram
