Nilight 50 amp RV Extension Cord adds up to 100 feet from the power outlet to your RV, camper or electric vehicle. standard 50-amp male (NEMA 14-50P) and a 50-amp female (NEMA 14-50R) connector. Rated for 125/250 volts/12500 watts. Constructed with entirely copper, 6/3 + 8/1-gauge wires for superior conductivity, weather resistant outer jacket and bright green color for easy spotting in the dark, this extension cord is the safe and effective choice for powering your vehicle.