Open box return from Amazon.

This Marinco P503-30 EEL Pigtail Adapter is a must-have for any boat owner who wants to upgrade their electrical and lighting system. It allows you to connect a 50A 125V male outlet to a 30A 125V female outlet, making it perfect for a variety of applications.

With its high-quality construction and reliable performance, this adapter is sure to provide you with years of worry-free use. It is compatible with a wide range of electrical and lighting systems, and is easy to install and use. Whether you're a professional mariner or a recreational boater, this Marinco P503-30 EEL Pigtail Adapter is an essential accessory that you won't want to be without.