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  • ULC 525

ULC 525

Audible Signal Devices for Fire Alarm Systems, Including Accessories (CAN/ULC S525-07)

Underwriters Laboratories of Canada, 05/07/2007

Publisher: ULC

File Format: PDF

$141.00$282.36


Published:07/05/2007

These requirements cover electrically operated bells, sirens, horns, and similar audible signal devices, rated at 300 V or less, for fire-protective signalling service and intended for indoor and/or outdoor installation in accordance with CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations; and with CAN/ULC-S524, Installation of Fire Alarm Systems. Refer to CAN/ULC-S541, Speakers for Fire Alarm Systems, Including Accessories, for requirements pertaining to speakers. This standard also covers protective covers and accessories used with audible signals for fire alarm systems.

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