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 neutral from the source is spliced through to the switch box using the white wire and in this diagram the white wire is capped with a wire nut.
Leviton 3 Way Light Switch Wiring Diagram Picture Diagram
3 way light switch wiring diagram. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw. Knowing how to wire a three way lighting switch comes down to understanding the operation of this contraption. 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. Turn the power off at circuit breaker. Otherwise the arrangement wont function as it should be. Basic 3 way switch diagram how to wire 3 way light switch step by step.
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. You must completely forget about the notion of a switch being a simple openclosed circuit and look at the diagram of the circuitry of this modern alternative. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. In this updated diagram 3 wire cable runs between the receptacle and switch and the red cable wire is used to carry the hot source to the switch. Red and blue wires link traveler terminals of both switches. 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. The black wire from the other 3 way gets connected to the line black wire. A three way switch is fundamentally different in its operation from a regular two way switch. 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. With these diagrams below it will take the guess work out of wiring.
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. This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture. Each part ought to be set and connected with other parts in specific way. Leviton 3 way switch wiring diagram leviton 3 way dimmer switch wiring diagram leviton 3 way led dimmer switch wiring diagram leviton 3 way light switch wiring diagram every electrical structure is composed of various distinct parts. Interested in a 4 way switch wiring diagram.
The black hot wire connects to the far right switchs common terminal. In this diagram power enters the fixture box. Be sure to identify the electrical circuit correctly youll be wiring into and turn off the. Take a closer look at a 3 way switch wiring diagram. The black and red wires between sw1 and sw2 are connected to the traveler terminals.
Gallery of 3 Way Light Switch Wiring Diagram
