Finding the right lighting solution for your location means comparing your options. When choosing between two types of lighting, there are many factors you may want to consider. For your low bay ceiling needs, it is good to know the difference between T5 and T8 low bay fluorescent lighting fixtures.
The first thing you need to know about this area of lighting fixtures is the specification of the ceiling height. While it used to be an industry given that any ceiling over 17 feet required high bays for optimal lighting while any ceiling under that cut-off height was considered a low bay fixture application, this assumption is not always true. The reason many people insist on a high bay is because of the light spread since the fixture will be placed higher up, but a fluorescent low bay still has great lumen spread, especially when the unit has multiple bulbs as part of the design already. When you choose an option with more lamps, the spread will be improved considerably so the designation of high bay versus low bay will become less important.
When it comes to the main difference between T5 and T8 low bay fluorescent lighting fixtures, it is mostly a matter of the bulb size. With a longer bulb and a larger diameter, a T8 fixture offers more bulb and therefore more light. While the spread of the light is often dependent on factors such as reflector type and placement angle, the size of the bulb makes T8 bulbs a better choice over T5 for low bay ceilings.
Aside from the difference in size and light spread, there isn’t much difference between the two options. Obviously, there are other factors that will influence the amount of light a fixture gives and the way it illuminates a space. For instance, a T5 with four bulbs may be a better solution than a T8 with two bulbs. It will depend on your location, the watt and lumen output, and the overall design of the fixture.
For a closer look at this topic, check out our video here.
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