Non-shunted Turn Type T8 Lamp Holder JACKYLED 20-Pack UL Socket Tombstone for LED Fluorescent Tube Replacements Medium Bi-pin Socket for Programmed Start Ballasts 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 UL and CE certified. 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. It is not only easy to replace the old damaged socket of the T8 lamp, but also effortless to install the lamp 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: 20-Pack.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. This lamp holder allows you to connect a live and neutral wire to one end of the tube. This versatile lamp holder will make your job done easier and saving your time and money as opposed to replacing the existing entire fixture. These T8 lamp holders are sturdy and well made.They are <u>UL and CE certified</u>, you can feel free to use. Durable and long lasting. High heat resistant with no flame hazard. Ideal for replacing old florescent lamp holders. These tombstones are non-shunted which means that one terminal can be positive and the other negative. Non-shunted lampholders are the perfect replacement for old or broken medium Bi-Pin socket for T8 LED/fluorescent lamps. With a bridge wire, they can be made shunted. AWG18 gauge wire can being inserted into the terminals without having to do a wire splice if you need.