【Female Receptacle】NEMA 6-50R, 30 Amp, 3 Prong Female Connector with handle. Suitable for welder, plasma cutters, dryers, electric vehicles and so on, with a NEMA 6-50 plug to receive power. 4 Prong 30 Amp Generator to 50 Amp Welder Adapter Power Cord, Heavy Duty STW 10/3 AWG (125V/250V).