This AC WORKS brand extension cord [TT30L530] is very durable. The extension cord comes 50 ft. L. It is a NEMA TT-30P to a NEMA L5-30R. This 3-prong extension cord is heavy-duty and is used to get 125-Volt power from a generator or campground power pedestal. It can be used for RVs, food trucks and even emergency power. The cord is flexible and durable as well as weather and water-resistant. Included with your purchase is a 5-year limited warranty. Color: Black.