What is a 3-Way Switch? How can I replace it? | The Family Handyman
DIY Dictionary: 3-Style Switch
What is a three-way switch? A three-way switch is i that allows you to control a ceiling light (or other electrical fixture) from two separate locations.
What is a three-way switch?
A three-way switch is one that allows yous to control a ceiling light (or other electric fixture) from two split locations. Common scenarios would be 3-way switches located at both the pinnacle and bottom of a stairway, or having 3-mode switches next to doors in a room with two entry points.
If you look at a three-fashion switch you'll discover it looks unlike from a standard "single pole" switch. The actual switch is larger because there'due south more than going on within. And there's an actress screw terminal on the side that allows a connecting point for an actress "common" wire so the switches can "talk" to one some other. And yous'll find, the toggle lever won't accept ON and OFF markings. Yous may even encounter 4-way switches—both in your business firm and in the electric aisle of your home heart—that let you to command a fixture from three different locations.
It'due south pretty like shooting fish in a barrel to supersede a iii-way switch; after you close off ability and withdraw the switch take a quick photograph, and then motility the wires—1 by ane—from the defective switch to the new one.
Originally Published: February 01, 2018
Source: https://www.familyhandyman.com/article/diy-dictionary-3-way-switch/
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