Formed from 14 gauge steel. Smooth, continuously welded seams without knockouts, cutouts or holes. Welded brackets provide for enclosure mounting. Lift off cover is secured with captive, plated steel screws, and supported on internal hinges except as noted on charts at bottom and right. Cover screws fasten into threaded, sealed wells. Oil resistant gaskets are permanently secured. A bonding stud is provided on the door and a grounding stud is provided on the enclosure.