Stainless steel electrical enclosures provide protection in indoor and outdoor applications. Stainless steel boxes from Polycase are UL Listed to UL 508A, meeting NEMA 1, 2, 4, 4X, & 12 ratings and IP65 & IP66 requirements for harsh environments. Manufactured from 304 stainless steel, they are corrosion-resistant, waterproof and weatherproof. NEMA stainless steel enclosures are ideal for use in industries such as food & beverage, pharmaceutical, oil & gas and many others. Polycase stainless steel boxes include an internal mounting panel, external surface mounting brackets and all hardware for wall-mounting. Optional accessories include pole mounting kits, cable management and venting solutions. We also offer a line of carbon steel enclosures in similar sizes.