Explosionproof Conduit Outlet Box, Style LB, 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 Zinc Electroplated Chromate Epoxy Powder Coated Copper Free Aluminum, Approval CSA C22.2, Application General Purpose Wiring, Pulling of Wire, Connect Conduit Length and Change Direction of Conduit Run, Provide Access for Maintenance