CAN/ULC Standard S541-23 Speakers for fire alarm and signaling systems, including accessories
Publication Year
2023
Document Status
Current
Abstract
Specifies requirements that apply to speakers, rated at 300 V or less, for fire alarm and signaling systems and intended for indoor and/or outdoor installation.
Document History
Supersedes CAN/ULC S541-16.
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