A simple, practical and effective watertight cord lock * Simply close the Cord Connect around each end of the cord, then twist to lock the cords together to create a watertight seal * A gasket withstands jet nozzle sprays, drip box tests, and prevents water from reaching the electrical connection * Great for Holiday lighting, as well as spring, summer and fall projects * Certified to a watertight rating of IPX1 - IPX5