Enclosure NEMA Rating 3R, Material of Enclosure Carbon Steel, 4 in, Screw On Enclosure Cover Type, Solid / Clear Cover Solid, Closure Method Screws, Finish ANSI 61 Polyester Powder, Color Gray, Depth 4 in, Enclosure Cover Features Screw Cover, Height 4 in, Includes Screws, Metal Gauge 16 ga, Wall Mounting, Series RSC, Standards cULus, Usable Opening Depth 3.88 in, Width 4 in