Novelty Lights C7 Outdoor String Light Christmas Stringer - Roofline Christmas Lights - Patio String Lights Use this 10' foot C7 stringer for our incandescent or LED C7, G30, or G40 Candelabra base globe bulbs when lighting up your home or business interior and exterior this holiday season. Can be used in a restaurant patio string light application that provides eye apealing ambiance. Made with 10 E12 base Candelabra sockets from the industries best. 7 strings can be connected end to end when using 5 watt bulbs. Safe for indoor and outdoor use.