The parkworld brand, #60974W 100 ft. Heavy-duty 50-Amp 125/250-Volt RV/Marine Shore Power Extension Cord, it is a durably constructed Extension Cord for Marine, Boats, or RVs use. It has a 50 Amp 125/250-Volt Twist Lock SS2-50P male plug and a SS2-50R female connector. Made with 100% copper, UL and cUL Listed STW 6AWG/4C wire for superior conductivity, the PVC jacket ensures that cable can be used in all weather conditions. This heavy duty extension cord allows you easier and safely extend the distance between your Marine, Boats or RVs and your nearest power receptacle or electrical connection. Caution: This extension cord is not compatible with a 50A 125V system (SS1-50). Color: White.