Welder 6-30P Male for Welding machine 30 AMP 3-prong socket. NEMA L6-30R Female for L6 type 30AMP twist lock plug. Molded with electroplate copper terminal in order to avoid surface oxidation effectively. Used 10 AWG stranded copper inner wire 30A / 250V / 7500W, support max 30 Amp loading. 100% copper wire conductor inside Heavy-duty power adapter cord. Length: 18 inch (1.5 feet). Color: Black