Can UL shed some light on sizing of conductors and branch-circuit protective devices required for Certified (Listed) three-phase drives used ...

I see in the 2017 NEC Section 680.81 requires electrically powered pool lifts to be Listed.  Does UL Certify (List) ...

I remember a few years back that circuit integrity (CI) cables all lost their Listings. Is this still true today? ...

I see that a new Section 725.144(B) in the 2017 NEC addresses LP cable. What is LP cable? ...

Are there any UL Listed direct burial brass acorn clamps for use with rebar on a UFER ground? Will there ...

UL Certifies/Lists energy storage systems for use in accordance with new Article 706 in the 2017 NEC.  UL Certifies/Lists these ...

Does UL List these desks? Most of these desks/tables also have receptacle strips for power; what Listed products are available ...

Can utility interactive inverters installed within 10 feet of the PV array be a method of complying with the requirements ...

I have seen many display cases and commercial displays in retail stores made by millwork shops that incorporate lights and ...

Recessed luminaires certified/Listed by UL to ASTM E283 are marked with the enhanced UL Certification Mark for safety and performance ...