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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Northbrook
UL
USA

Tel: +1 877 854-3577

Documents by this publisher

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Series details	Title	Year	Status
UL 207-22	Refrigerant-containing components and accessories, nonelectrical	2022	Current
UL 246-11	Hydrants for fire-protection service	2011	Current
UL 248.1-11	Low-voltage fuses - general requirements	2011	Withdrawn
UL 248.1-22	Low-voltage fuses - general requirements	2022	Current
UL 248.13-22	Low-voltage fuses - semiconductor fuses	2022	Current
UL 262-04	Standard for gate valves for fire-protection service	2004	Current
UL 263-11	Fire tests of building construction and materials	2011	Current
UL 268-16	Smoke detectors for fire alarm systems	2016	Withdrawn
UL 268-23	Smoke detectors for fire alarm systems	2023	Current
UL 299-12	Dry chemical fire extinguishers	2012	Current
UL 300-19	Standard for fire testing of fire extinguishing systems for protection of commercial cooking equipment	2019	Current
UL 305-12	Standard for panic hardware	2012	Current
UL 312-10	Standard for check valves for fire-protection service	2010	Withdrawn
UL 325-17	Standard for door, drapery, gate, louver, and window operators and systems	2017	Current
UL 347-20	Medium-voltage AC contactors, controllers, and control centers	2020	Current
UL 360-13	Liquid-tight flexible metal conduit	2013	Current
UL 378-06	Standard for draft equipment	2006	Current
UL 393-05	Standard for indicating pressure gauges for fire-protection service	2005	Current
UL 404-10	Standard for gauges, indicating pressure, for compressed gas service	2010	Withdrawn
UL 404-22	Pressure-indicating gauges for compressed gas service	2022	Current

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