As far as safety is concerned, you can exchange them. If you place T12 tubes in a fixture with a T8 ballast, you will wear out the ballast and have to replace it. If you place T8 tubes in a fixture with a T12 ballast, then the tubes will have a shorter life due to a higher current through the tube. via
Are T12 and T8 sockets the same?
The main difference between T8 and T12 tubes is the tube's diameter. T12 tubes are 1.5" in diameter while T8s are just one inch. All other things—socket sizes, lengths, distance between pins—are the same. T8 LED tubes won't fall out if you try to install them in a T12 fixture—they'll fit just fine. via
Can I replace T12 with T8?
The easiest and lowest price option to replace a T12 is a T8 linear fluorescent. They have become the go-to option for pre-existing T12s. If you still have magnetic ballasts, switching to a T8 will require a ballast swap. Another option is to move forward with an LED retrofit. via
What is the difference between T8 and T12 fluorescent light fixtures?
Fluorescent lights are tube shaped lamps with a chemical phosphor coating on the inside of the tube. The have small pins on each end that fit into the ballasts located in light fixtures. T12 lamps have a diameter of 1 ½ inches (or 12/8th of an inch.) T8 lamps are fluorescent lights one inch (or 8/8ths) in diameter. via
Are T12 bulbs being discontinued?
In effect since July 2012, the legislation eliminates nearly all 4-foot T12 lamps, some 4-foot T8 lamps, most 8-foot T12 lamps, and almost all standard halogen PAR38, PAR30 and PAR20 lamps from the market. T12 technology is over 80 years old. Since that time, lamps and bulbs have been developed that just work better. via
Are T8 bulbs brighter than T12?
The standard T8 produces 2,800 initial lumens per lamp, 6% brighter. But the standard T12 lamp produces 2,300 design lumens and the T8 produces 2,660 design lumens. Design Lumens are the average lumen output of the lamp after 40% of its rated life. via
How do I convert T12 fluorescent to LED?
Can I put LED bulbs in my fluorescent fixtures?
To convert a fluorescent light fixture to use LED bulbs, you can either use LED bulbs that are compatible with the existing fluorescent ballast (plug-and-play tubes) or you can rewire the fixture to bypass the ballast and replace with sockets with non-shunted lampholders. via
What does T12 mean in fluorescent bulbs?
A T12 lamp (on the left in the figure below) is therefore twelve-eighths of an inch, or one-and-one-half inches (3.81 cm), in diameter. via
Can I use T5 bulbs in a T12 fixture?
If the T5 lights have G5 bi-pin socket, that is quite standard for these kind of lights, then T8 and T12 lights have G13 bi-pin or single pin or recessed double contact sockets which means that you absolutely and no way can put T5 bulbs in fixtures that are meant for T8 or T12 bulbs. via
What is T8 and T12 bulbs?
Fluorescent lamps, or fluorescent linear tubes as they are also known, are categorized according to their wattage, shape and diameter. The other common lamps are the larger T8 (eight eighths inch = 1") and T12 (twelve eights inch = 1½" tubes). via
How long do T12 bulbs last?
Most manufacturers claim their tubes last 7,500 to 15,000 hours (compare that to 500 to 1,000 hours for an incandescent bulb). via
Is G13 the same as T8?
A T8 tube is also called a TL-D tube from Philips and a Lumilux tube from Osram. You can recognize a T8 tube from it's 28mm diameter. The socket is called G13 this because the 2 pins are 13mm apart from each other. . via
Which is better LED or fluorescent?
Both types of lighting are energy-efficient when compared to traditional incandescent bulbs. LED technology costs more than CFL and fluorescent lighting, but the LED bulbs also last longer and use less energy than fluorescent bulbs. LED bulbs are also more durable than fluorescent bulbs due to their compact size. via
Should I replace fluorescent with LED?
LED technology is more efficient
LED replacement lamps are on average 30% more efficient than their fluorescent counterparts. That means if you are spending $10,000 on your lighting energy costs per year, your bill will be reduced by $3,000 or more, every year that you use the LED bulbs. via
Are T12 bulbs good for growing?
So when should you use a T12 bulb? Don't, unless you find one dirt cheap and you use it only for very small seedlings. Instead, full-spectrum high-output T5 lights are best even for seedlings. via
What is the difference between T5 and T12 bulbs?
T5 tubes are smaller than T8 and T12 tubes, which allow them to fit into smaller spaces. They are offered in sizes of 2-5 feet in length. T5 lamps are around 40% smaller than T8 lamps and almost 60% smaller than T12 lamps. via