Seams continuously welded and ground smooth. Seamless foam-in-place one-piece gasket provides water, oil and dust-tight seal against contaminants. Heavy-duty three-point latching mechanism on each door, operated by black die-cast POWERGLIDE™ padlocking handle. Black die-cast quarter-turn latches with slotted insert provided on the top and bottom of each door. Master door is far right-hand door on all enclosures. Master door handle provided with integral screwdriver defeater. Mechanical interlock activated by master door prevents slave door from being opened first. Doors can be closed in any order. Concealed hinges provide 180° door opening and allow easy door removal and cleaning of hinge area. Bolt-on 15 inch high stainless steel floor stands. Heavy-duty Type 316L stainless steel lifting eyes. Collar studs on inside of enclosure back for optional mounting panels. Removable center post for easy panel installation. Bonding provisions on doors and ground studs on body. No interior stiffeners to obstruct component mounting. Provisions for mounting optional fluorescent light packages.