3 Way Light Switch Installation

A 3 way wall switch controls a common light or set of lights from two separate switch locations.

3 way light switch installation.

How to install or replace a 3 way light switch. Shop all dimmers switches share. 3 way switches and 14 3 cable. Two common screws and two brass screws not counting the ground screw.

A four way switch has an extra common screw to bring the total number of screws up to four. Four way circuits are just a tad different than three way circuits mostly since the light switch that you add in has to be a four way switch rather than just another three way switch. This guide highlights the procedures for replacing a broken 3 way electrical switch. Need to install or replace a 3 way light switch in your home.

The most basic three way switch setup has two switches that connect and control one light fixture like switches on either end of a hallway staircase or large living area. There are several ways to install a 3 way light switch. 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. So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire.

The switches have three hot screw terminals one common and two travelers and a grounding terminal. Although a 3 way is one of the hardest electrical circuits to figure out it s also one of the most useful. In a hallway or large room for example installing three way switches at both ends lets you turn the light fixture on or off from both locations. 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.

With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Three way switches are always installed in pairs to control a light from two locations. Let us show you how. Wiring a 3 way light switch.

3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box. Currently loaded videos are 1 through 15 of 36 total videos. A 3 way light switch allows you to control a light source from two separate points. The methods shown here are some of the safest and most versatile though not the only options.

Two 3 way switches are required in any 3 way application. A three way wall switch is a common type of light switch that makes it possible to control a ceiling light or other electrical fixture from two different locations in a room.