Explosionproof Conduit Outlet Box, Style C, Hub Size 1-1/4 Inch, Hub Type External, Number of Hubs 1, Hub Location Dead End, Capacity 31 Cu Inch, Shape Round, Cover Type Externally Threaded, Cover Opening Diameter 3.94 Inch, Enclosure Class I Div 1 and 2 Group B C D, Class II Div 1 and 2 Group E F G, Class III, NEMA 3/4, Material Epoxy Powder Coated Copper Free Aluminum, Approval UL, CSA C22.2, Application General Purpose Wiring, Pulling of Wire, Connect Conduit Length and Change Direction of Conduit Run, Provide Access for Maintenance