Explosionproof Conduit Outlet Box; Style D; Hub Size 3/4 Inch; Hub Type Taper Threaded; Number of Hubs 3; Hub Location (2) Side, (1) Down; Capacity 13.5 Cubic Inch; Shape Round; Cover Type Threaded; Cover Opening Diameter 3 Inch; Enclosure Class I Div 1 and 2 Group C D, Class II Div 1 Group E F G, Class II Div 2 Group F G, Class III, NEMA 3/4/7C/7D/9E/9F/9G; Material Electrogalvanized Aluminum Acrylic Painted Feraloy Iron Alloy (Body), Natural Copper-Free Aluminum (Cover); Mounting (4) Pad; Approval UL 1203, CSA C22.2; Constructional Feature Explosionproof, Dust-Ignitionproof, Rain Tight; Includes Cover, Green Grounding Screw; Application Wet Location, Hazardous/Classified Location, Protect Conductors in Threaded Rigid Conduit, Pulling of Wire, Connect Conduit Length and Change Direction of Conduit Run, Provide Access for Maintenance; Applicable Standard ANSI C33.27, NEC/CEC