Question: Outlet box Some outlet boxes are sold with clamps packaged in bulk, rather than included in the box. The ...
Yes, light curtains are Listed under the category Active Opto-Electronic Protective Devices (NIPF) in the UL White Book ...
Question: Listed RHH wire Is Type RHH wire in EMT, with a two-hour fire rating Listed as circuit integrity cable? ...
Question: Dry type transformer Are dry type transformers with expanded metal bottoms suitable for installation on combustible floors? Answer Dry ...
Question: Meter socket Is a meter socket with a marked rating of 160A/ 200A max intended to be installed on ...
Question: GTO cable in raceway Does UL List a GTO cable that does not need to be installed in a ...
Question: Alternate energy With the soaring cost of energy and deregulation of the U.S. electrical power grid, alternate sources of ...
Similar to GFCIs, UL 1699, the Standard for Arc-Fault Circuit Interrupters does require monthly testing. ...
A new, bi-national standard that combines safety requirements for luminaires for both the US and Canada went into effect on ...
Some vehicle inspection diagnostic equipment used in garages and filling stations has not been marked for hazardous locations. Does UL ...