If you are new to the world of lighting, you probably have some questions. When it comes to the difference between T5 light bulbs and T8 light bulbs, there are a few things to keep in mind when choosing between the two options.
The major physical difference between T5 light bulbs and T8 light bulbs would be the length and diameter of the tube itself. The T5 tends to be slightly shorter than the T8 tube, and is significantly smaller in diameter. This factor is important to consider when looking at your fixture as the two tubes are not interchangeable.
Another factor that separates these two bulbs would be the lumen output capabilities. For example, a standard 4’ 54 watt T5HO linear tube will usually yield around 5000 lumens per tube whereas a standard 4’ 32 watt T8 tube will offer approximately 3000 lumens per tube. When considering this difference between the two tube options, it is also important to keep in mind the lighting application requirements of your space. If you do not need as many lumens, a smaller T8 will be the better choice since it offers lower lumen and watt consumption. If you need higher levels of lighting, the T5 might be ideal for your situation.
When choosing linear fluorescent tubes of this type, you have several other options you need to consider as well. For instance, both T5 and T8 tubes are available in various color temperature choices. This factor plays just as big of a role as the lumen output. For example, if you are considering a tube type for use in an office setting, you will naturally want to select either a lower lumen output, a warmer color temperature, or perhaps both, depending on the area. Office settings tend to generate complaints when an excessive lumen output or too cool of a color temperature is selected.
Once you have decided your color temperature and lumen output needs, deciding between T5 and T8 fixtures will be much easier to navigate.
For a closer look at this matter, check out this video.
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