Explosionproof Conduit Outlet Box, Hub Size 3/4 Inch, Hub Type Internal, Number of Hubs 5, Hub Location (4) Side, (1) Bottom, Shape Round, Number of Plugs 3, Cover Type Externally Threaded, Enclosure Class I Div 1 and 2 Group 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 Malleable Iron, Approval CSA C22.2