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ULC 527
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ULC 527 Standard for Control Units for Fire Alarm Systems (CAN/ULC S527-11-AMD-1 (2014))
standard by Underwriters Laboratories of Canada, 07/01/2014
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Full Description
ULC Standards has recently published Amendment 1 to the Third Edition National Standard of Canada, CAN/ULC-S527-11, Standard for Control Units for Fire Alarm Systems.This replaces the CAN/ULC-S527-11, Third Edition Standard for Control Units for Fire Alarm Systems.
This Standard covers requirements for control units, fire alarm systems and control unit accessories foruse in accordance with CAN/ULC-S524, Standard for the Installation of Fire Alarm Systems, inaccordance with Rule 32-004(1) of C22.1, Safety Standard for Electrical Installations, Canadian ElectricalCode, Part I; and the National Building Code of Canada.
This Standard also covers smoke control features when incorporated as a part of the control equipment,releasing device service and stand alone power supplies. This edition of the standard was updated toaddress technological advancements.