MARINCO 17093691 Straight Adapter, 15A 125V Male to 50A 125/250V Female

Straight Adapters are high-quality, one-piece adapters similar in usage to Pigtail Adapters.

However, they do not have sealing collars and are not recommended for use in wet locations. Use only in an enclosed, dry location, such as powering your boat from a 15A power receptacle inside your house. Made of marine grade construction and includes a power LED.