Marinco (30ARVKIT 30 Amp Detachable Power Conversion Kit ParkPower by Marinco's 30 Amp conversion kit has everything you need to convert a hard wired RV power hook-up to a detachable power hook-up Includes: 304EL-BRV 30A contoured power inlet, 305CRV 30A female connector (installs to RV power cord), 103RV comfort grip weatherproof cover, mounting adapters and gaskets, and electrical box "Circular metal ring covers the opening left by the removal of the access port door" High quality corrosion resistant construction Easy to follow installation instructions