Conntek SB1030PR-010 NEMA 10-30 Extension Cord, 10 Feet Plug (Male): NEMA 10-30P (Straight Blade 30 Amp 125/250 Volts) Receptacle (Female): NEMA 10-30R (Straight Blade 30 Amp 125/250 Volts) Cable: STW 10/3 Max Rating: 7,500 Watts Extends the reach of your outlet by 10 feet