Metallic Junction Box, Hub Size 3 Inch, Overall Size 11.62 Inch L x 11.62 Inch W x 9.38 Inch D, Inner Size 10.13 Inch L x 6 Inch D x 10.13 Inch H, Wall Thickness 0.75 Inch (Side), 0.69 Inch (Bottom), Cover Type Threaded, Cover Opening Diameter 9.25 Inch, Enclosure Class I Div 1 and 2 Group B C D, Class II Div 1 and 2 Group E F G, Class III, NEMA 4/4X/7BCD/9EFG, Body Material Copper Free Aluminum, Body Finish Corrosion Resistant Gray Epoxy Powder Coated, Cover Material Copper Free Aluminum, Cover Finish Corrosion Resistant Gray Epoxy Powder Coated, Mounting Feet, Approval UL 886, CUL, CSA C22.2, O-Ring Material Neoprene