Cable Matters 4 Prong 50 AMP RV Adapter Cord - 25ft, 50A/250V/12500W, NEMA 14-50P to NEMA SS2-50R with Twist Lock, Generator Power Cord, Generator Extension Cable 25 Feet is up for auction in Electronics. The current bid is $29.00, 78% below the $129.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.