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.

Documents by this publisher

Series details	Title	Year	Status
UL 1479-15	Fire tests of penetration firestops	2015	Current
UL 1481-06	Standard for power supplies for fire-protective signaling systems	2006	Current
UL 1558-16	Standard for metal-enclosed low-voltage power circuit breaker switchgear	2016	Withdrawn
UL 1558-25	Standard for metal-enclosed low-voltage power circuit breaker switchgear	2025	Current
UL 1561-11	Standard for dry-type general purpose and power transformers	2011	Current
UL 1563-09	Electric spas, equipment assemblies, and associated equipment	2009	Withdrawn
UL 1563-25	Electric spas, equipment assemblies, and associated equipment	2025	Current
UL 1569-18	Metal-clad cables	2018	Current
UL 1581-01	Reference standard for electrical wires, cables, and flexible cords	2001	Current
UL 1598-21	Luminaires	2021	Current
UL 1618-15	Wall protectors, floor protectors, and hearth extensions	2015	Current
UL 1626-08	Standard for residential sprinklers for fire-protection service	2008	Withdrawn
UL 1638-16	Visible signaling devices for fire alarm and signaling systems, including accessories	2016	Withdrawn
UL 1638-23	Visible signaling devices for fire alarm and signaling systems, including accessories	2023	Current
UL 1653-19	Electrical nonmetallic tubing	2019	Current
UL 1709-17	Standard for rapid rise fire tests of protection materials for structural steel	2017	Withdrawn
UL 1709-22	Rapid rise fire tests of protection materials for structural steel	2022	Current
UL 1713-17	Standard for pressure pipe and couplings, glass fiber-reinforced, for underground fire service	2017	Current
UL 1778-14	Uninterruptible power systems	2014	Current
UL 1784-15	Standard for air leakage tests of door assemblies and other opening protectives	2015	Current