Wall mount enclosure. Concept type-4 and 12. 14, 16 or 18 gauge steel. Seams continuously welded and ground smooth. Corner-formed doors. Simple easy-to-remove and install hinge pins with built-in captivation clip. High-torque threadless studs and fasteners on door. Minimum-width body flange provides maximum door opening. External formed body flange. Panel mounting studs fit optional CONCEPT panels and other accessories. Mounting holes in back of body for optional external wall-mount brackets. Hidden hinges. Doors are interchangeable and easily removed by pulling clip style hinge pins. Seamless foam-in-place gasket. Quarter-turn slotted latch. Door alignment device on doors wider than 30 inch. Four hinges on 60 inch high enclosures. Grounding stud on body bonding provision on door. Provisions for thermoplastic data pocket. Hardware kit with panel mounting nuts, panel grounding hardware and sealing washers. Window-door enclosures have a clear polycarbonate window flush with door surface. Mounting frame on flush-mount enclosures extends completely around enclosure. Two-door enclosures have a overlapping door design which provides full-width access. Two door enclosures have a three-point latch system on right hand hinged door furnished with flush slotted insert.