For hooking your marine-style 30-Amp or 50-Amp RV power inlet to a standard power source. 90° connector reduces strain on the cord and allows easier connection in tight places. Threaded locking ring helps to create a weatherproof connection. 15 Amp standard male plug and 30 Amp locking female receptacleThreaded locking ring creates a weather-resistant connection90° outlet connection reduces strain on the RV/cord and allows easier connection in tight placesDurable adapter with long-lasting cordCable with 10AWG 3-wire, NEMA L5-30R or NEMA SS2-50R and NEMA 5-15P connections (max: 125 Volts and 1875 Watts)