UL 268-23 Smoke detectors for fire alarm systems
Publication Year
2023
Document Status
Current
Abstract
Specifies requirements for smoke detectors and accessories, including mechanical guards to be employed in ordinary indoor locations.
Document History
Supersedes UL 268-16. Revised September 17, 2024.
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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