Metered RV Panel with 50 Amp and 30 Amp RV Receptacles and 20 Amp GFCI ReceptacleThe Ring-Type Metered Surface Mount is factory-assembled and factory-tested. It comes to the construction job site ready to use with no need to assemble individual parts, saving installation time. The , heavy-gauge NEMA 3R rainproof enclosure protects against weather, vandalism and nuisance tripping. It is lockable and is engineered for maximum protection of receptacles, cords, plugs, breakers. The unit complies with National Electrical Code and OSHA requirements.