Junction Box; Hub Size 2-3/4 Inch Top, 2-3/4 Inch Bottom, 1-3/4 Inch Side, 4-3/4 Inch Back; Number of Hubs 4; Hub Location (1) Top, (1) Bottom, (1) Side, (1) Back; Overall Size 4-1/8 Inch L 4-1/8 Inch W 2-3/4 Inch Depth; Inner Size 1-7/8 Inch L 1-7/8 Inch W; Cover Type Internally Threaded; 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; Body Material Feraloy Iron Alloy; Body Finish Electrogalvanized Aluminum Acrylic Paint; Cover Material Copper Free Aluminum; Cover Finish Natural; Approval UL 1203, CSA C22.2; Application Indoor/Outdoor, Hazardous Area