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.

333 Pfingsten Road
Northbrook
UL
USA

Tel: +1 877 854-3577

Documents by this publisher

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Series details	Title	Year	Status
UL 489-16	Molded-case circuit breakers, molded-case switches, and circuit-breaker enclosures	2016	Withdrawn
UL 489-25	Molded-case circuit breakers, molded-case switches, and circuit-breaker enclosures	2025	Current
UL 498-17	Attachment plugs and receptacles	2017	Current
UL 508-18	Industrial control equipment	2018	Withdrawn
UL 508-24	Industrial control equipment	2024	Current
UL 514A-13	Metallic outlet boxes	2013	Withdrawn
UL 514A-24	Metallic outlet boxes	2024	Current
UL 514B-2012	Conduit, tubing, and cable fittings	2012	Current
UL 514C-14	Nonmetallic outlet boxes, flush-device boxes, and covers	2014	Current
UL 514D-13	Standard for cover plates for flush-mounted wiring devices	2013	Current
UL 536-21	Flexible metallic hose	2021	Current
UL 546-08	UL LLC Outline of investigation for conductor termination compounds	2008	Current
UL 555-06	Fire dampers	2006	Current
UL 555S-14	Smoke dampers	2014	Withdrawn
UL 555S-25	Smoke dampers	2025	Current
UL 568-02	Standard for nonmetallic cable tray systems	2002	Current
UL 569-13	Standard for pigtails and flexible hose connectors for LP-gas	2013	Current
UL 580-06	Standard for tests for uplift resistance of roof assemblies	2006	Current
UL 586-09	Standard for safety for high-efficiency, particulate, air filter units	2009	Current
UL 603-08	Standard for power supplies for use with burglar-alarm systems	2008	Current

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