Pro-Stock™ Industrial Solutions Panelboard Box, Series: A-Series™ II, 20 in Width, 5-13/16 in Depth, 37-1/2 in Height, Surface Mounting, Steel, Galvanized, NEMA 1 NEMA Rating Specifications Depth 5-13/16 in Finish Galvanized Height 37-1/2 in Material Steel Mounting Type Surface NEMA Rating NEMA 1 Series A-Series™ II Width 20 in