Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories

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Standards Development Organisation:
ULC Standards
Contact Information:
ULC Standards Normes ULC
Working Program:
View the ULC work program
Designation Number:
CAN/ULC-S525
Standard Type:
National Standard of Canada - Domestic
Standard Sub-Type
Bi-National
Standard Development Activity:
New Edition
ICS code(s):
13.220.20; 13.320
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

This standard applies to electrically operated bells, sirens, horns, and similar audible signaling devices, rated at 300 V or less, for fire alarm and signaling systems and intended for

  1. indoor and/or outdoor installation:
  2. use in ordinary (non-hazardous or non-corrosive) indoor and outdoor locations
  3. use in hazardous or corrosive locations
  4. Use in accordance with CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations; and with CAN/ULC-S524, Standard for Installation of Fire Alarm Systems, and CAN/ULC-S541, Speakers for Fire Alarm and Signaling Systems, Including Accessories, for requirements pertaining to speakers.

Project need:

Development of a new fifth edition of CAN/ULC-S525 – ANSI/UL 464 that will include updated requirements for waking effectiveness, abnormal operation and burnout tests, reference audibility, power v. voltage evaluation, directional characteristics, and other miscellaneous clarifications.

Note: The information provided above was obtained by the Standards Council of Canada (SCC) and is provided as part of a centralized, transparent notification system for new standards development. The system allows SCC-accredited Standards Development Organizations (SDOs), and members of the public, to be informed of new work in Canadian standards development, and allows SCC-accredited SDOs to identify and resolve potential duplication of standards and effort.

Individual SDOs are responsible for the content and accuracy of the information presented here. The text is presented in the language in which it was provided to SCC.