SmartPlug BF50 50 Amp Boatside Connector - 50 Amp 125V/250V Connector - The 50A connector is constructed for enhanced durability and UV resistance. The connector is easily retrofitted to either a 125V or 250V cord. Cord seals included in the package ensure a watertight fit on either diameter cord. The connector is used in conjunction with the 50A 125V/250V SmartPlug Inlet (BM50S) - Features: - Can be used with 125V or 250V service Can be plugged in easily in the dark or awkward locations effortlessly 20x more electrical contact means no overheating Weatherproof seals to eliminate corrosion Triple locks are stronger and easier to use Sleeved designs ensures a stable electrical connection every time.