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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

Documents by this publisher

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Series details Title Year Status
UL 405-13 Fire department connection devices 2013 Current
UL 412-11 Standard for refrigeration unit coolers 2011 Current
UL 414-16 Meter sockets 2016 Current
UL 427-11 Standard for refrigerating units 2011 Current
UL 429-13 Electrically operated valves 2013 Current
UL 430-15 Waste disposers 2015 Current
UL 437-13 Standard for key locks 2013 Current
UL 441-16 Standard for gas vents 2016 Current
UL 448-20 Standard for centrifugal stationary pumps for fire-protection service 2020 Current
UL 464-16 Audible signaling devices for fire alarm and signaling systems, including accessories 2016 Withdrawn
UL 464-23 Audible signaling devices for fire alarm and signaling systems, including accessories 2023 Current
UL 467-22 Grounding and bonding equipment 2022 Current
UL 486A-486B-18 Wire connectors 2018 Current
UL 489-16 Molded-case circuit breakers, molded-case switches, and circuit-breaker enclosures 2016 Current
UL 498-17 Attachment plugs and receptacles 2017 Current
UL 508-18 Industrial control equipment 2018 Current
UL 514A-13 Metallic outlet boxes 2013 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

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