Wiring diagram 3 way switch with light at the end. 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.
3 Way Switch Wiring Diagram
Electrical wiring three way switch diagram. The black and red wires between sw1 and sw2 are connected to the traveler terminals. Two very old three way switches. Three wire cable runs between the switches and 2 wire cable runs to the light. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. Typical 3 way switch wiring nm cable. 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.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. 3 way switch schematic wiring diagram. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations. Take a closer look at a 3 way switch wiring diagram. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. Interested in a 4 way switch wiring diagram.
With these diagrams below it will take the guess work out of wiring. Traveler wires are interchangeable. This might seem intimidating but it does not have to be. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. Two very old three way switches are depicted in the photo above. The black line wire connects to the common terminal of the first 3 way switch.
Below is a simple 3 way schematic that can be applied to all three way electrical light switch connections. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. In this diagram the electrical source is at the first switch and the light is located at the end of the circuit. Wiring a 3 way light switch.
Gallery of Electrical Wiring Three Way Switch Diagram
