T8 T12 Bulbs Difference

T8 fluorescent bulbs are one inch in diameter and feature a medium bi pin base similar to the t12 bulbs.

T8 t12 bulbs difference.

T8 fluorescent bulbs are just as bright as the t12 and much more economical. Due to high power consumption the world is slowly moving away from t12 lamps. The t8 tubes are slightly smaller at 1 inch in diameter compared to the 1 5 inch diameter of t12 tubes. For example a typical t5 bulb is 46 inches long rather than the 48 inches 4 foot of t8 and t12 bulbs.

T8 lamps have a 1 inch diameter and t12 lamps are 1 5 inches in diameter. A more popular choice for fluorescent lighting are the second generation t8 bulbs. The t12 fixtures tended to use magnetic ballasts. Difference between t5 t8 t12 tubes what is the difference between t5 t8 and t12 lamps.

The t in t5 indicates the bulb is tubular shaped while the 5 denotes that it is five eighths of an inch in diameter. As we describe in our how to article t8 and t12 feature the same g13 bi pin connector. Although brightness is basically the same less energy is used by the t8. The t8 models cost almost half of the t12.

T5 bulbs save money over time because of a longer lifespan while producing more light with less wattage. T8 and t12 both feature the same g13 bi pin connector. The t12 is 1 5 inches in diameter and the t8 is 1 inch in diameter. In an effort to make led tube lights compatible with the internal dimensions of most fixtures you will find that most led tube lights feature a t8 or 1 inch diameter.

A t12 lamp measures 1 5 inches 12 8 1 5 or 3 81 cm while a t8 lamp measures 1 inch 8 8 1 or 2 54 cm in diameter. A 48 inch t8 lamp produces 2 600 design lumens using 32 watts while the same size t12 lamp produces 2 520 design lumens using 40 watts. In short the difference between t5 t8 and t12 lights are the sizes and energy efficiency. Conversion kits are available with a ballast allowing t5 bulbs to fit t8 and t12 fixtures.

Both lamps use the same bi pin base meaning that users can fit t8 lamps into sockets designed for t12 lamps. These are the basic different characteristics of each different fluorescent lamp type that is most commonly used in offices and commercial industrial lighting all across the world. The t12 runs on a magnetic ballast and a t8 operates on an electronic ballast. Fluorescent lamps or fluorescent linear tubes as they are also known are categorized according to their wattage shape and diameter.

T8 tubes are simply 1 inch in diameter versus the 1 5 inch diameter of t12 tubes. The smaller t5 and t8 tubes use less energy and have less mercury in them than t12 bulbs.