Single 3 Way Switch Wiring Schematic

With these diagrams below it will take the guess work out of wiring. Wiring diagrams for 3 way switches 3 way switch diagram 2 above shows the electricity source starting at the fixture. The white wire becomes the energized switch leg as indicated by using black or red electrical tape.

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All of the switches shown below are 3 way.

Single 3 way switch wiring schematic. 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 white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. Conventional 3 way switch wiring configuration. This might seem intimidating but it does not have to be.

The black and red wires between sw1 and sw2 are connected to the traveler terminals. With conventional wiring the common wire from one switch connects to line the common wire from the other switch connects to the load lights. The black line wire connects to the common terminal of the first 3 way switch. 3 way switches have three terminals one common usually black color and one pair of travelers usually brass color.

3 way switch 2 3 way wire which has black white and red coated wires and of course a copper ground wire electrical boxes of appropriate size to hold 3 way switch and wire wire cutters and strippers standard electrical tape a non contact voltage tester 3 way light. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. Three wire cable runs between the switches and 2 wire cable runs to the light. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.

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. Take a closer look at a 3 way switch wiring diagram. Interested in a 4 way switch wiring diagram.