New Estap designed enclosures are effective against electromagnetic emissions that prevent the penetration of disruptive impacts and simultaneously protect surrounds from emitted radiation. The IP Code reflects the degree of protection as "IP" followed by two numbers; the first digit shows the extent to which enclosures are. . D-Link Out-Door Enclosure's designed for outdoor weather conditions. Enclosures are fabricated out of Galvanized/CRCA Steel, CNC programmed, punched, bent, welded and Powder coated with highest quality standards as per the required Outdoor Standards. material with concealed hinges.