30/30/20 MTR surface box U5100-XL-332

The U5100-XL-332 surface mount box has a meter socket and (2) 30 amp receptacles for 30/30/20 RV service.  The surface box is typically mounted to a 4×4 post.  Electric meter sold separately.

SKU: U5100-XL-332 Categories: ,


Constructed of galvanized 16 gauge steel, this 30/30/20 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.

SKU: U5100-XL-332

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Additional information


Amp Rating

Receptacles & Breakers



Loop-fed Lugs


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