[Cord Rating] 4 prong NEMA 14-30 plug to NEMA 14-30 Receptacle, 25 Feet, Rated for 125V/250V max rate 7500 watt. UL Listed [Dryer Extension Cord] The 25ft extension cord can increase the range of movement of the dryer or other electrical appliances, eliminating the need to carry heavy electrical appliances to a fixed socket