C9 Spool Wire 12 Spacing – 500 FT C9 Light Spool, Commercial, UL Listed C9 Stringer Spool, for Holiday and Christmas Light Wire SPT-1, Indoor/Outdoor Compatability C9 Light Stringer (C9-500 Feet). 500 FT C9 Light Spool. 18 x 18 x 8.5 inches; 17.85 Pounds. 1 Count (Pack of 1). Commercial Grade Ultra-Durable Quality – This C9 Christmas light wire is constructed with durable materials and designed to withstand the demands of frequent use in professional settings. It is ideal for contractors, electricians, and serious DIYers who need reliable wire that won’t let them down. Versatility Indoors & Out – The SPT-1 C9 spool wire boasts superior waterproofing, making it suitable for indoor and outdoor use. Hang dazzling holiday lights outside or create custom lighting installations indoors! Flexibility in Installation – Generous length and durable construction allow for creative and customizable lighting designs to fit various spaces with our SPT-1 Christmas light wire. Safety Compliance (UL Listed) – UL-listed C9 sockets prioritize safety, giving peace of mind for festive lighting installations with our spool of Christmas lights. Energy Efficient – Our C9 light cord is compatible with LED bulbs for brighter, more colorful lighting while saving energy and lowering electricity costs. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.