Conntek 14306 RV 30-Foot 50 Amp 6/3 + 8/1 RV Extension Cord Rv extension cord Stays flexible in cold weather, heat resistant up to 221-degrees fahrenheit NEMA 14-50P to NEMA 14-50R, 3 pole, 4 wire grounding, 50 ampere Voltage 125 to 250; color black Measures 30-feet cord length; limited 5 year warranty