Standards UL 508 Type 3R, 4, 12 and 13 CSA Type 3R, 4, 12 and 13 Complies with NEMA Type 3R, 4, 12 and 13 IEC 60529, IP66 ¶Construction Body and cover are formed from 16 gauge steel. Smooth, continuously welded seams without knockouts, cutouts, or holes. Formed lip on enclosure to exclude flowing liquids and contaminants. 14 gauge welded brackets provide for enclosure mounting. Continuously hinged cover has 304 stainless steel hinges and provides 180° opening. Door latches feature the added safety of quarter turn slot requiring use of tool for opening. Quarter turn latches formed from black zinc diecast. Seamless poured-in place gasket. Models larger than 4"x4" include a removable 14 gauge galvanized inner panel. Internal threaded weld studs are provided for mounting inner panels. A bonding stud is provided on the door and a grounding stud is provided on the enclosure. Grounding and panel mounting hardware provided.