Explosion-Proof Conduit Outlet Box, Style LB, Hub Size 3/4 Inch, Hub Type External, Number of Hubs 2, Hub Location (1) Side, (1) Down, Capacity 15 Cu Inch, Shape Round, Cover Type Internally Threaded, Cover Opening Diameter 3 Inch, Enclosure Class I Div 1 and 2 Group B C D, Class I Zone 1 and 2 Group IIA IIB, Class II Div 1 and 2 Group E F G, Class III, NEMA 3/4, Material Zinc Electroplated Malleable Iron, Approval UL 886, CSA C22.2, Applicable Standard NEC, Application Pulling of Wires, Wet Location, Constructional Feature Explosion-Proof, Dust Ignitionproof, Includes Ground Screw/Lug