While hanging prepared Christmas light strings can be convenient and save time, using Christmas light cords (socket cord) is effective and highly versatile. You can choose the light bulbs you want to include, customizing the color and pattern, and you can more easily replace bulbs. Shop our collection of light cords and accessories here, which includes Christmas light extension cords as well as both C7 and C9 socket cord in both green and white, in a number of different spacing configurations. Your best Christmas EVER starts right now - complete with a custom Christmas light display.