Floor-mount and free-stand enclosure made of 12 gauge type 304 stainless steel. Seams continuously welded and ground smooth; no holes or knockouts. Stiffeners welded to back of enclosures maintain flatness and increase rigidity. Heavy-duty lifting eyes are type 316 stainless steel. Plated steel 3 point latching and keylocking handle. Latch rods have rollers for easier door closing. Heavy-gauge continuous hinges support each door. Data pocket, provided on door(s) with 3-point latches, is high impact thermoplastic. Mounting channels welded horizontally to interior body sides at top, bottom and center. Optional panels and rack-mounting angles can be mounted anywhere along channels. Oil-resistant door gasket attached with oil-resistant adhesive and held in place with steel retaining strips. Bonding provision on door; grounding studs on body. Accessory mounting channel provided in enclosure top.