Can I put a T8 bulb 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.

What does the T stand for in T12?

The “T” designation in fluorescent lamp nomenclature stands for tubular — the shape of the lamp. 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.

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.

Where can I buy T12 LED light bulbs?

The new and used T12 LED bulbs on eBay are available for great prices. Here are some of the features offered: Instant on: LED bulbs and tubes are designed to go to full brightness when electricity is applied. This works in cold weather as well.

When did they phase out the T12 light bulb?

As a result, in 2009, the department announced the eventual phase out of the 1.5-inch-diameter fluorescent T12 tubes. The mandate said production of the tubes would have to cease after July 14, 2012. Big-name manufacturers like Philips and Sylvania were granted two-year extensions on the deadline.

What’s the difference between a T8 and T12 LED fixture?

We have both a quick answer and a long one. Quick answer first: Any T8 LED tube will also fit a T12 fluorescent fixture! 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.

Which is the best way to convert a T12 to led?

For the easiest and quickest T12 to LED upgrade, the Philips UniversalFit tubes are probably your best bet. These plug right in and work off the existing ballast. When the ballast gives out, swap it for a newer electronic ballast, and the tubes will continue to light your space.