All UL Listed luminaires must be equipped with American standard-sized mounting ...
Metallic Outlet Boxes are Listed under the category Metallic Outlet Boxes ...
UL has five new categories specifically for AFCI devices, now covered ...
UL does evaluate the manufacturer’s installation instructions provided with UL certified ...
The new Section 210-12 of the 1999 National Electrical Code (NEC) ...
Can a UL Listed product be modified in the field if ...
Large signs do. Electric signs so large that shipment in one ...
Flooding and other natural disasters prompt many questions about water-damaged electrical ...
Question: For outlet boxes that support ceiling suspended fans, does UL ...