Safely powers a 100A 125/250V AC boat from two 50A 125/250V AC receptacles at dockside or from a single 50A 125/250V AC receptacle acting as a single adapter. Features: Smaller, lighter-weight enclosure Sealing grommets keep moisture out Cord clamps help prevent strain on terminals Reversed Service Fully molded Hubbell plugs 50A plugs connect to 50A shore power Indicator lights indicate correct polarity and safe operation "A" leg for accessing a single 50A, 125/250V receptacle