What lengths do T12 bulbs come in?
Common tube ratings
| Tube diameter in 1⁄8 in (3.175 mm) | Nominal length | Nominal power (W) |
|---|---|---|
| T12 | 4 ft (1,219 mm) | 40 |
| T12 | 5 ft (1,524 mm) | 65, 80 |
| T12 | 6 ft (1,829 mm) | 75, 85 |
| T12 | 8 ft (2,438 mm) | 125 |
Are T8 and T12 pins 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.
Is G13 the same as T12?
T12 38mm (G13) Fluorescent Tubes The largest size T12 (38mm) is no longer being manufactured, however, they did use the same G13 cap as the T8 fluorescent tube which means that you can replace the T12 tubes with the more efficient T8 of the same length.
Can I replace T12 bulbs with T8 bulbs?
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.
Can you put a T8 bulb in a T12 ballast?
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.
Can you use T8 LED bulbs in a T12 fixture?
T8 tubes are simply 1 inch in diameter versus the 1.5 inch diameter of T12 tubes. 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. They can indeed be used in T12 fixtures.
Will a T5 bulb fit in a T12 fixture?
T5 lamps cannot replace T12 or T8 lamps because of differences in physical and electrical characteristics. T5 lamps come in different lengths than T8 and T12 lamps. Miniature bi-pin sockets fit T5 lamps, while T8 lamps need medium bi-pin sockets.
Can I use T8 in place of T12?