What is the difference between t8 and t12 fluorescent lights?

May 2024 · 2 minute read

The number that comes with the T is used to denote the diameter of the fluorescent tube. Since the measurements come in eights of an inch, the T8 has an inch of diameter while a T12 comes in 1.5 inches. The narrower your choice of a fluorescent lamp is, the more efficient its energy output will be.Click to see full answer. Just so, can you use a t8 bulb with a t12 ballast?T12 tubes pull 40 watts, and are frequently being replaced with lower wattage t8 tubes, which operate on 32 watts. When posing the question can a t8 light work on a t12 ballast, the short answer is no. The only way around the dilemma is to replace the ballast. what is the difference between t8 t10 and t12 fluorescent tubes? The main difference is in size…the T8 is one inch in diameter and everything else is divisible by that number: T5 = 5/8 inch, T6 = 6/8 inch, T8 = 1 inch, T10 = 1.25 inches (10/8), T12 = 1.5 inches in diameter (12/8). While the size is the main difference there are other differences that are worth mentioning. Similarly, how do I know if I have a t8 or t12 ballast? This will reveal a lot about your current fluorescent tube and usually indicate if the bulb is T8 or T12. If no markings are available, the size in diameter of the tube is the easiest way to determine the type you have installed. T8 tubes are 1-inch in diameter and T12 tubes are 1 1/2 -inch.Are t8 and t12 sockets the same?T12 primarily run off a magnetic ballasts and T8 bulbs operate on electronic ballasts. But most people have them operating on a magnetic ballast. Even though the fluorescent light socket is exactly the same for both of them, they cannot operate on the same ballast.

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