Time switch

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time switch

[′tīm ‚swich]
(engineering)
A clock-controlled switch used to open or close a circuit at one or more predetermined times.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Time switch

A clock that has built-in switches to control the time at which lights or other electrical devices go on or off.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
And use time switches to turn lights and radios on and off while you're out.
Buy time switches to switch lights on if you're out in the evening.