Constructed of galvanized 16 gauge steel, this 50/30/20 Milbank post-mount surface box is NEMA 3R rated for outdoor use and finished with a gray polyester powder coat. The ring-type meter socket is rated at 125 amps. The hinge cover swings up to open and can be locked. Units come factory wired with copper and are assembled with breakers and receptacles installed. This unit does not have loop-fed lugs. Canada cUL approved.