Hubbell's molded 125/250V yellow electrical cord set has a threaded ring to provide a secure and weatherproof connection to your boat inlet. Male connector locks directly into dockside outlet or adapter. Heavy-duty 50' vinyl-jacketed shore power cable with twist-lock connectors is designed for 50 amp outlets and receptacles. Bull ring adds strain relief. Exclusive crimp termination for longer life. Jute filler allows cable to coil easily, even in colder climates.