Wiring Diagram Dead End 3 Way Switch

Extending the switch leg over to the common as shown in the photo above or extending the hot over to the common as described below.

Wiring diagram dead end 3 way switch. To illustrate the wiring of these 3 way switches switch boxes and fixture boxes are not shown but are obviously required for every application. With these diagrams below it will take the guess work out of wiring. There are 2 variations of dead end 3ways. A dead end 3 way switch wiring method.

Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Take a closer look at a 3 way switch wiring diagram. Extending the switch leg over to the common as shown in the photo above or extending the hot over to the common as described below. An example of three way switch wiring with the line and load in the same 4 square electrical box.

A dead end 3 way switch wiring method. This might seem intimidating but it does not have to be. This method is commonly used by professional electricians. 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.

Typical 3 way switch wiring nm cable. There are 2 variations of dead end 3ways. The black and red wires between sw1 and sw2 are connected to the traveler terminals. The black line wire connects to the common terminal of the first 3 way switch.

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. The white wire between switches is not being used as a neutral. Wiring diagram 3 way switch with light at the end.

This method is commonly used by professional electricians. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. 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.

Wiring a 3 way light switch. In the above diagram the white wire must be re identified as a hot wire at each switch location.