Kanayu 10 ft Welder Extension Cord Compatible with NEMA L14-30P to 6-50R, 4 Prong Generator to 3 Prong Welder Power Adapter Cord 30 Amp Generator Locking Plug Connector for Welding is up for auction in Tools & Home Improvement. The current bid is $8.00, 80% below the $39.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.