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What UL Listing covers the Class 1 Div 2 classification on Myers Hubs?

Myers hubs are UL listed to UL514B.  UL514B does not cover Class I, Division 2 listing.  The National Electrical Code (NEC) allows Myers hubs to be used in Class 1 Div 2 locations as long as there is no arcing and sparking devices installed.  They are not UL certified for hazardous locations, but can be used in Class I Division  2 if installed in accordance to NEC code