Heavy-duty NEMA 14-50R power outlet box designed for outdoor use; weatherproof receptacle ideal for powering RVs, campers, motorhomes, electric vehicles (EV), generators, and more (please check your manufacturer's manual before purchase to ensure compatibility) Made from powder coated steel to protect the receptacle from long-term wear and tear caused by exposure to outdoor elements; resistant to heat, impacts, and year-round weather conditions In-use design allows the weatherproof box to be closed and locked with a NEMA 14-50P plug inserted; for best results, use ENERLITES model 66351-BK (sold separately); features a lockable design to prevent damage and tampering (lock not included) 50 Amp, 125/250 Volt; weatherproof; V2 rating; industrial grade; straight blade; grounding Easy installation for both vertical and horizontal installations, terminals marked for easy identification and fast wiring; 1-year warranty