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