Converts 4 Prong To 3 Prong Plug - No need to waste time or money hiring an electrician! Iron Forge Cables Dryer Plug Adapter instantly converts 4 prong outlets into 3 prong plug head. Energy Efficient Copper Wire - Made from highly conductive, heat resistant copper wire, our 4 prong to 3 prong dryer adapter is energy efficient and resistant to corrosion! Built To Last - With strong copper wire, heavy duty vinyl insulation, and a durable design, this dryer adapter 4 prong to 3 prong is built to last! UL Certified, Veteran Owned. 10 gauge dryer cord adapter, 1.5 foot, 30 amp, 250 volt, 7500 watt, NEMA 14-30R 4-Prong Dryer Outlet to NEMA 10-30P 3-Prong Dryer Plug Integrity in Service: Iron Forge Cable, a U.S. veteran-owned business, stands behind its products. We're here to help resolve any issues that you may have.