50AMP RV Power Connector NEMA SS250R. Rated for 50AMP 125250V, this RV power connector is widely used in RV, camper, trailer, boat, caravan, motorhome, van. With lock ring sleeve, makes the connector waterproof and dustproof. Superior Quality Constructed with heavy duty ABS material housing, it is resistant to high temperatures and flame. The weatherproof cover boot is made of quality PVC material, which is high temperature resistance and protect the connector better. ETL Certified Our RV Power Inlet has been tested at an ETL laboratory and found to meet all applicable Standards for Safety published by relevant NRTLs. ETL certification follows the same safety standards as Underwriter Laboratories or UL. Easy Installation Coloredterminals provide an easy and convenient installation. Green terminal connects to Ground wire, black and hot terminal connect to hot wire, white terminal connects to neutral wire. Terminals accept for 84 AWG wires. Package includes 50 Amp RV Power Connector, weatherproof cover boot with locking ring, installation guidance.