Generator Twist Lock 125 / 250 Volt 30 AMP 4-prong L14-30 Plug male. 3 of American standard Tri-Outlet Household regular 5-15 Receptacle female (Regular 15 AMP Receptacle x3) in T-Bar connector. Molded with electroplate copper terminal in order to avoid surface oxidation effectively. Used 10 AWG stranded copper inner wire, support max 30 Amp loading. 100% copper wire conductor inside Heavy-duty power adapter cord. Length: 18 inch (1.5 feet). Color: Black