Wiring diagrams for 3 way switches. All three way switch and 2 way switch wiring diagrams have the same basic components.
3 Way Switch Wiring Diagram Variation 4 Electrical Online
3 way switch diagrams. If you are trying to troubleshoot a 3 way switch operation then you will need to identify the function of each wire. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. See alternate 3 way switch wiring configuration for another way 3 way switches may be wired. One ground and 4 circuit terminals divided into two matching pairs called travelers. In this diagram the electrical source is at the first switch and the. 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. The black line wire connects to the common terminal of the first 3 way switch. If you have any problems with these switches it may be best to call an electrician. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. With these diagrams below it will take the guess work out of wiring. 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.
3 way switch wiring diagram. The white wire of the cable going to the switch is attached to. 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. Traveler wires are interchangeable on each switch. 3 way switch wiring diagrams wiring diagram 3 way switch with light at the end.
The diagrams below show the conventional wiring for 3 way switches. Three way switch wiring with light middle. 3 way switch wiring diagrams easy to understand fully illustrated and documented. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page. Unfortunately not all 3 way switches are wired the conventional way. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches.
3 way switch diagram tips continuous hot and light feed wire goes on black screw traveler wires go on the brass screws 143 with ground or 123 with ground wire best to use between switches watch all videos below for easy steps. The source in this circuit is at the first switch and the light fixture is. First my easy to understand chart helps to identify the 3 way switch system for the application. A 4 way switch has five terminals. 3 way switch wiring with. This might seem intimidating but it does not have to be.
Gallery of 3 Way Switch Diagrams
