This Marinco 50A male to 125v to 50A 125/250v female pigtail shorepower adapter is a must-have for boat owners who want to ensure their electrical systems connectivity to shorepower with a dissimilar configuration. . Made in the United States by Marinco, a trusted brand in the electrical and lighting industry, this adapter is built to last. It is perfect for those looking for a high-quality boating accessory that will allow them to power their boat's electrical systems with ease. This pigtail shorepower adapter is compatible with a variety of boat parts and accessories and is available on eBay Motors.