1 Piece T-Blade 20A to 15A adapter. Approval: UL & cUL Listed. NEMA 5-15P to 5-20R 15A/125V/1875W, Heavy-duty power adapter cord, 100% copper conductor inside. Molded with electroplate copper terminal in order to avoid surface oxidation effectively. NEMA 5-15P for plugin household regular socket at home. NEMA 5-20R for generator 20A plug. T Blade adapter 20 amp to 15 amp adapter. Color: Yellow