Turn the power off at circuit breaker. Now discussing 3 way light switch wiring diagram as also discussed above the color codes of the wires as having three insulated conductors as black as hot red as switch wire or called traveler and white as common wire as also shown when light is connected to both black and white wires.
How Three Way Light Switches Work
3 way switch circuit diagram. Typical 3 way switch wiring nm cable. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. What is the black screw for on a 3 way switch diagram. The black line wire connects to the common terminal of the first 3 way switch. Traveler wires are interchangeable on each switch. If you are trying to troubleshoot a 3 way switch operation then you will need to identify the function of each wire.
3 way switch wiring with. In this diagram the electrical source is at the first switch and the. In this diagram the incoming hot wire attaches to the first switchs common dark colored terminal. 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. Three way switch wiring with light middle. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches.
A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. What is a 3 way switch wiring diagram. 3 way switch wiring diagrams wiring diagram 3 way switch with light at the end. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. 3 way switch diagram 2 above shows the electricity source starting at the fixture. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.
Take a closer look at a 3 way switch wiring diagram. 3 way switch wiring diagram. With these diagrams below it will take the guess work out of wiring. The diagram below is based on the video you watched above. This might seem intimidating but it does not have to be. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch.
All three way switch and 2 way switch wiring diagrams have the same basic components. The source in this circuit is at the first switch and the light fixture is. 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. This 3 way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light switch. Components of 3 way switch wiring. 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.
3 way switch wiring diagram with power feed via light. The white wire becomes the energized switch leg as indicated by using black or red electrical tape. Basic 3 way switch diagram how to wire 3 way light switch step by step. The first step in any electrical project is to make sure there is no power going to the circuit you plan to be working on.
Gallery of 3 Way Switch Circuit Diagram
