Three Way Light Switch Circuit

In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.

Three way light switch circuit.

There are several ways to install a 3 way light switch. Wiring a 3 way light switch. Take a closer look at a 3 way switch wiring diagram. A 3 way light switch allows you to control a light source from two separate points.

No longer allowed after 2011 nec if no neutral wire in switch boxes 3 way switch wiring diagram light fixture between switchesline voltage enters the first 3 way switch outlet box light fixture is located between switch boxes no longer allowed after 2011 nec if no neutral wire in switch boxes. Although a 3 way is one of the hardest electrical circuits to figure out it s also one of the most useful. 3 way switch wiring diagram depicting all wires in the ceiling junction box. 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. Interested in a 4 way switch wiring diagram. 3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box. 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.

With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw. The methods shown here are some of the safest and most versatile though not the only options. With these diagrams below it will take the guess work out of wiring.