Conntek 14363, 30 Amp RV Extension Cord, Black (25-Feet) Plug (Male): NEMA TT-30P (RV 30 Amps, 125 Volts) Receptacle (Female): NEMA TT-30R (RV 30 Amps, 125 Volts) Maximum Wattage: 3,750 Watts Flanged griplets for easy removal Elbow plug-faces allow for maximum strain-relief