3 Way Light Switch Wiring Diagram

The methods shown here are some of the safest and most versatile though not the only options. With a pair of 3 way switches either switch can make or break the connection that completes the circuit to the light.

Wiring Diagram For 3 Way Switch With Lights Cvfree

The most important screw is the black one continuous hot and light feed wire goes on black screw traveler wires go on the brass screws 143 with ground or 123 with ground wire best to use between switches watch all videos below for.

3 way light switch wiring diagram.
A 3 way switch has three screws plus the green grounding screw.
Wiring of 3 way light switches 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.
A 3 way light switch allows you to control a light source from two separate points.

Assortment of wiring diagram 3 way switch ceiling fan and light.
This might seem intimidating but it does not have to be.
In this diagram the electrical source is at the first switch and the light is located at the end of the circuit.

Wiring a three way light switch.
Three wire cable runs between the switches and 2 wire cable runs to the light.
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 boxesno longer allowed after 2011 nec if no neutral wire in switch boxes.

Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
The black and red wires between sw1 and sw2 are connected to the traveler terminals.
3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box.

There are several ways to install a 3 way light switch.
A wiring diagram is a streamlined conventional photographic depiction of an electrical circuit.
It shows the elements of the circuit as streamlined forms and also the power and also signal connections in between the devices.

Take a closer look at a 3 way switch wiring diagram.
Fixture between two three way switches.
Wiring diagram 3 way switch with light at the end.

Interested in a 4 way switch wiring diagram.
Power through switch light is controlled by two three way switches with the light between the switches and the power first going through a switch then to the light and onto the second three way switch.
The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box.

With these diagrams below it will take the guess work out of wiring.
Although a 3 way is one of the hardest electrical circuits to figure out its also one of the most useful.