A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Surge protective devices - Type 1 - Permanently connected
Surge protective devices - Type 2 - Permanently connected
Surge protective devices - Type 3 - Cord connected, direct plug-in and receptacle type
Surge protective devices - Type 4 - Component assemblies
Surge protective devices - Type 5 - Components
Busways (Tri-national standard, with UL 857 and NMX-J-148-ANCE)
Arc fault protective devices
Wind turbine electrical systems
Cablebus
Electric vehicle supply equipment (Trinational standard with UL 2594 and NMX-J-677-ANCE-2022)
Standard for safety for personnel protection systems for electric vehicle (EV) supply circuits: General requirements (Tri-national standard, with UL 2231-1 and NMX-J-668/1-ANCE)
Standard for safety for personnel protection systems for electric vehicle (EV) supply circuits: Particular requirements for protection devices for use in charging systems (Tri-national standard, with UL 2231-2 and NMX-J-668/2-ANCE)
Plugs, receptacles, and couplers for electric vehicles (Trinational standard with UL 2251 and NMX-J-678-ANCE-2017)
Nonindustrial photoelectric switches for lighting control (Tri-national standard with UL 773A and NMX-J-715-ANCE)
Plumbing fittings incorporating electrical and/or electronic features
Photovoltaic combiners and recombiners
Bare and covered ferrules (Binational standard with UL 486F), Includes Update No. 1 (2026)
Dc arc fault protection for photovoltaic applications
Neutral grounding resistor assemblies
Solid dielectric switchgear