Explosionproof Conduit Outlet Box, Style X, Hub Size 1-1/2 Inch, Hub Type Internal, Number of Hubs 4, Hub Location (4) Side, Shape Round, Cover Type Internally Threaded, Enclosure Class I Div 1 and 2 Group B C D Zone 1 and 2 IIB, Class II Div 1 and 2 Group E F G, Class III, NEMA 3, Material Malleable Iron, Approval CSA C22.2, Application General Purpose Wiring, Pulling of Wire, Connect Conduit Length and Change Direction of Conduit Run, Provide Access for Maintenance