Three Way Light Switch

Two common screws and two brass screws not counting the ground screw.

Three way light switch.

A four way switch has an extra common screw to bring the total number of screws up to four. Free delivery with 45 order. For example a long hallway or stairway might use a pair of three way. Wiring a 3 way light switch.

With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. 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. Lutron claro on off switch 15 amp 3 way gray model ca 3ps gr. Before proceeding make sure you are comfortable working with electrical wires and switches.

Wall switches used to control ceiling light fixtures or other fixtures come in three types. 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. This guide highlights the procedures for replacing a broken 3 way electrical switch. Two 3 way switches are required in any 3 way application.

Most common is the single pole switch the type used to control a light fixture from a single location the next most common is the three way switch which is commonly used to control a light fixture from two different locations. 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. A 3 way wall switch controls a common light or set of lights from two separate switch locations.