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 ...
Are there “UL Authorized Service People” who can modify UL Listed equipment in the field with no need of a ...
There are two options for certifying engine generator enclosures. In the first option, the generator enclosure or weather housing alone ...
UL has several tools available to de-mystify hazardous locations. UL has been certifying hazardous location equipment for over 100 years, ...
I have used UL Product Spec and find it extremely useful. Are there any online tutorials available so that I ...
If a UL Listed (Certified) product is rebuilt, reconditioned, refurbished or remanufactured, does the original Listing (certification) mark on the ...
Question I’ve heard GFCIs are now required to have a self-test feature. What is the new GFCIs self-test feature all ...
The 2014 NEC 690.12 requires rapid shutdown of photovoltaic (PV) systems on buildings and that equipment that performs the rapid ...
Question I seem to recall that UL does not certify (List) power distribution blocks for use on the line side ...