Cord Rating: 3 prong NEMA 10-30 plug to NEMA 10-30 Receptacle, rated for 125V/250V, 30 amp, support max rate 7500 watt. Dryer Power Extension: 10 feet long, equal to 3 meters, provides sufficient length, ideal for dryer power extension so you don't need to move your dryer outlet. Long Lasting: Heavy Duty 10AWG/3 Cord, 600 Volt, STW jacket rated for outdoor use, resists abrasion, moisture, heat. Great Flexibility: PVC material jacket provides flexible use experience, 100% copper wires inside offer superior performance. Safety: The molded plug and receptacle ensure safe connection, The cord is ETL approved. All the extension cords are 100% tested.