Attributes . Formed from 14 gauge steel except A which is 16 gauge. Smooth continuously welded seams. Welded brackets provide for enclosure mounting. Captive cover screws fasten into threaded, sealed wells. Larger enclosures provide internally hinged removable covers, designed to hold the cover open during wiring (see table). Oil resistant gasket and adhesive. A bonding stud is provided on the door and a grounding stud is provided on the enclosure. . Names