Screw Type T8 Lamp Holder JACKYLED 20-pack UL Non-shunted Light Socket For LED Fluorescent Tube Replacements MAX WATTAGE: 660W max wattage and the maximum voltage of 600V, supporting high wattage light bulb.Meet your need of different lighting effect. UL PRODUCT: The T8 lamp holders are CE certified and UL product. They are made of high quality PBT fireproof material which is very durable and long lasting and makes it the ideal for replacing old florescent lamp holders, 100% safe from fire hazzard, heat resistant. EASY TO USE: These T8 lamp holder socket tombstone are very easy to use. They are literally like a childs play to replace the old and damaged socket for your T8 lamp. It is also very easy to install a light in this socket. It can be used with the 18 AWG wires. APPLICATION: Can be used anywhere you want, perfect for lighting up your home or office, basement, closet, studio, etc. Hold the lamp tightly. 100% SATISFACTION GUARANTEE: We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. 30-day money-back guarantee for any reason, 12-month warranty for quality-related issues.