Full Description

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.

Product Details

Edition: 3 Published: 05/07/2007