Amp Up Marine & RV Cords. 50A 125/250V Marine Shore Power Boat Cord 50', Yellow. UL Listed #6/4 STOW Cable w/ copper wire. Comes with connecting threaded collar for weatherproof connection between 50 amp connectors. NOTE: Will not work with 125v 50a systems!The item "AMP UP 50A 125/250V x 50' Marine Shore Power Boat Cord Yellow 50 50 volt foot ft" is in sale since Friday, October 30, 2020. This item is in the category "eBay Motors\Parts & Accessories\Boat Parts\Electrical & Lighting". The seller is "amp_up_cords" and is located in Chardon, Ohio. This item can be shipped worldwide.