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CAN/ULC Standard S525-23 Audible signaling devices for fire alarm and signaling systems, including accessories

Publication Year

2023

Document Status

Current

Abstract

Specifies electrically operated bells, sirens, horns, and similar audible signaling devices, rated at 300 V or less, for fire alarm and signaling systems for indoor and/or outdoor installation.

Document History

Supersedes CAN/ULC S525-16.

Publisher Information

Underwriters Laboratories of Canada

Founded in 1920, Underwriters Laboratories of Canada (ULC) is an independent product safety testing, certification and inspection organization, accredited by the Standards Council of Canada.

7 Underwriters Road
Toronto
ULC
Canada

Tel: +1 866 937-3852