Three-way switch


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three-way switch

[′thrē ¦wā ′swich]
(electricity)
An electric switch with three terminals used to control a circuit from two different points.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Three-way switch

A switch used in house wiring when a fixture is to be turned on or off from two different locations in the house. A three-way switch must be used at each location.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

three-way switch

An electric switch, used in conjunction with a similar switch, to control lights from two different points, as from two different ends of a hallway.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.