How do you hook up a 3-way light switch

how do you hook up a 3-way light switch

How do you wire a 3 way light switch?

To wire a 3 way light switch, youll need 2 3-way light switches, 2 2-wire non-metallic cables, 1 3-wire non-metallic cable, and 2 6-inch grounding wires. First, run a 2-wire cable from the wall power to the black screw on 1 of the switches.

Where does the hot wire go in a 3 way circuit?

The hot wire from light always goes to the common terminal of the second switch. The traveler wires go from switch to switch connected to the traveler terminals, it doesnt matter which. As long as you keep this in mind, a 3-way circuit becomes really simplified.

How do 3-way switches work?

Here are the basics of a 3-way switch: Just to be clear, a 3-way switch never really turns on and off. It simply diverts power from one wire to the other – much like a railroad might switch a train from one track to another. Get the picture?

Where does the white wire go on a light switch?

With this in mind, the white wire from the power source always goes uninterrupted to the light fixture and the bare grounding wires are always fastened to grounding screws. But the “hot” or “charged” wire coming from the power source is routed through the switches.

What is a 3-way light switch wiring diagram?

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. In this diagram, power enters the fixture box.

How do you connect two 3 way switches together?

The second wire is connected to the common terminal (or black screw) of the second 3-way switch and its destination is the corresponding terminal of the bulb (black). The third wire is connected between one of the traveler terminals of the two 3-way switches. Red wire (Traveler or switch wire).

How long does it take to wire a 3 way switch?

With a pair of 3-way switches, either can make or break the connection that completes the circuit to the light. The whole wiring a light switch project can be completed in a few hours if you don’t have to do any drywall removal and repair.

What color wire do you use for 3 way switches?

Regardless of what 3-way switch wiring diagram, you’re following, you’ll need to use a 3-wire cable to connect the two 3-way light switches. So what you should see if you have the correct 3-wire electrical cable (Romex) is a black (power) white (neutral) and now a 3rd (Red) wire.

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