UL 464-23 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.
Document History
Supersedes UL 464-16.
Publisher Information
Underwriters Laboratories
Established in 1894 as the Underwriters' Electrical Bureau, UL is a global safety consulting and certification company, approved to perform safety testing by the U.S. federal agency of Occupational Safety and Health Administration.
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