Four way switches are used to control lighting from three or more locations. Controlling a light with three or more switches.
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How 4 way switch works. 4 way switches have four terminals each with two pairs of travelers one set usually black and one set usually brass color. This presentation shows the internal workings of the four way switch and how it works with three way. These are used in combinations of two. Return to location you plan to wire to verify that there is no electric flow to that device. Shown above is an animation of a circuit using three switches to control a light. How 3 way and 4 way switch circuits work controlling a light with two or more switches.
Starting with safety and understanding 1. The light comes on. A four way switch allows the traveller wire from one switch to travel through or criss cross between another switch. Let us assume this is a large room. In this graphic someone has entered a room and flipped the switch at the right of the. The person who entered and.
Three way and four way switches how they work step 1. In the diagrams below the first switch 3 way common terminal connects to line voltage. This page describes how to use 3 way and 4 way switches to control lights. For a discussion of how to wire such circuits see 3 way and 4 way light switches. How to wire 4 way light switch and intermediate switch in this video we explain how four way intermediate switching works to connect a light fitting which is controlled with three or more light. If the device is still.
To find out which. How a 4 way switch works switches to control lighting. Another widely used switch is the three way switch. Turning the light off from another switch. Turn on the light or device being controlled by the 3 way switches if you already have them. Turn off electric power.
That page and its links also discuss proper wire colors and several wiring alternatives. How 4 way switches work an animation. Four way switches are used. If more than three switches are needed simply place more 4 way switches between the three way switches. For more than two switches one or more 4 way switches are added. A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle.
4 way switches provide switching from three or more locations. Four way switches are used any time when more than two switches are needed to control a light. The center switch is 4 way switch while the outer two switches are 3 way.
Gallery of How 4 Way Switch Works
