COMMERCIAL GRADE: Our 37.5 foot black wire outdoor patio stringers are commercial grade, utilizing 16 gauge SPT-2 wire along with 25 in-line sockets rated for up to 25 watts each. EXTENDABLE LIGHTING: With an end socket and fused plug, allowing for a maximum current of 7 amps per run, you can expand your lighting to over 110 feet from a single outlet when using traditional incandescent bulbs. ALL-WEATHER: Rely on the robustness of our bistro lights, ingeniously designed with PVC-coated sockets that create a weather-resistant seal to ensure worry-free operation in throughout every season. CUSTOMIZABLE: By purchasing a stand-alone 120V stringer, you're free to customize your lighting experience with any lower-wattage, E26-base bulbs you'd prefer. WORRY-FREE: Backed by a one-year warranty and US-based customer service, your satisfaction is ensured not just by the quality of our merchandise but also by our dedication to our customers. OVER 25 YEARS: Since 1999, Novelty Lights has been a trusted leader in the holiday lighting industry. As a US-based company, our customer service team is close to home and available on your schedule. We’re here every business day, dedicated to preserving the joy our products bring. Perfect for your backyard, garden, gazebo, cafe, or market, our stand-alone 37.5' patio stringers feature 16 gauge SPT-2 black wire and E26 medium base sockets. Their classic style and weather resistance will illuminate any setting with charm and elegance for years to come. Imagine your backyard transformed into a radiant atmosphere with our backyard light strings, featuring 25 sockets spaced 18 inches apart. This commercial grade light string is connectable end-to-end and perfect for both incandescent or LED bulbs. Connect just over 110 feet in a single run using 11-watt incandescent bulbs or 300+ feet using LED. Crafted with UV-treated PVC plastic, our poolside party light strings provide a nearly watertight seal around each bulb, ensuring reliable performance in rain, snow, wind, and heat. Ideal for both commercial and residential outdoor/indoor use, these black wire permanent outdoor stringers are perfect wherever decorative lighting is needed, regardless of the weather. At Novelty Lights, we prioritize customer satisfaction and stand by all our lighting products. We offer a full one-year warranty on all of our heavy-duty commercial grade products, along with year-round, US-based customer service and sales. For optimal installation results, we recommend using a guide wire for lengths beyond 50 feet, with the string attached/mounted at least every 10 feet when possible.