Three Way Diagram

The black and red wires between sw1 and sw2 are connected to the traveler terminals.

Three way diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Typical 3 way switch wiring nm cable. The black screw on a 3 way switch diagram is for the continuous hot wire that comes from the circuit panel or for the feed wire that runs up to the light fixture. Our easy to follow 3 way wiring diagram changing from a single pole to a 3 way light switch allows you to turn on a light from multiple locations such as at the top and bottom of a staircase or both ends of a hallway.

Take a closer look at a 3 way switch wiring 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. What is the black screw for on a 3 way switch diagram.

The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. 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. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.

The black line wire connects to the common terminal of the first 3 way switch. 3 way switch diagram 2 above shows the electricity source starting at the fixture. This might seem intimidating but it does not have to be. 3 way switch wiring diagram.

Traveler wires are interchangeable on each switch. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. In this diagram the incoming hot wire attaches to the first switch s common dark colored terminal. This 3 way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light switch.

Electricians call the continuous hot wire the line wire. 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. The white wire becomes the energized switch leg as indicated by using black or red electrical tape. Three wire cable runs between the switches and 2 wire cable runs to the light.

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. 3 way switch wiring diagram depicting all wires in the ceiling junction box. The diagram below is based on the video you watched above.