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Document CSA C22.2 NO 177-92-CAN/CSA is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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CSA C22.2 NO 177-92-CAN/CSA Document Information:
Title
Clock-Operated Switches
Canadian Standards Association
Publication Date:
Aug 1, 1992
Scope:
This Standard applies to clock-operated switches, rated 600 V or less, designed to be used in ordinary locations to close and open circuits to a load at predetermined intervals, and intended to be employed in accordance with the Rules of the Canadian Electrical Code, Part I. The clock-operated switches discussed in this Standard may be
(a) completely enclosed, plug-in, or cord-connected;
(b) incomplete in their enclosure or in other constructional features: or
(c) restricted in performance capabilities for use in other equipment.
This Standard applies to clock-operated switches in which the switching contacts are actuated by a clock-work, a gear-train, hand, electrically wound spring motors, electric clock-type motors, electronic circuits, or equivalent arrangements. In addition to closing and/or opening the switching contacts, the clock-operated switches may also indicate the time of day or time interval. Requirements for TV-rated clock-operated switches are also given.
The word "switch", when used without further qualification in subsequent Clauses of this Standard, denotes a clock-operated switch.
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