Amazon.com: RVMATE 50 Amp 25 Feet RV/EV Extension Cord, Easy Plug in Handle, 14-50P to 14-50R with LED Indicator, ETL Listed, Come w/Storage Bag and Plastic Strap : Automotive
CAMCO PowerGrip 25-ft 10 / 3-Prong Outdoor Stw Super Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
VEVOR 30 / 50 Amp 15/25/30/50 ft RV Extension Cord Camper Power Cord ETL Listed | eBay
50AMP 25FT RV Extension Cord – Nilight
50 amp RV Power Extension Cord with LED Power indictor - 50 Amp Male to 50 Amp Female Standard Plug 50 Foot
50 Amp Rv Power Cord 30 Foot With Loose End – trekpower