Blue Sea Systems Terminal Feed through Connector Large cables passed through holes are subject to chafing even when protective grommeting is used. Terminal Feed Through Connectors eliminate chafing and provide excellent strain relief for the cable Large size terminals have a mounting face that can be gasketed or bedded to provide a water tight installation Rated IP66  withstands water from heavy seas Perfect for passing high current cables through hulls, decks and bulkheads 250A, Max voltage: 48V DC