The most popular bulbs from this series are BR30 and BR40. The different sizes of BR bulbs available are as follows:īR bulbs are popular in track and recessed lighting projects. Since BT bulbs allow effective internal reflection, they are one of the most energy-efficient reflector-type bulbs. The bulbs are all known as bulged-reflector types, as the reflector bulges out slightly. The BR-Series features a short reflector. Therefore, if you see a bulb labeled as BT15, know that its diameter would be 15/8”. The numbers on a BT bulb’s label denote its diameter in one-eighth of an inch. You can find these bulbs in the following variations: BT bulbs are popular in sports arenas, car dealerships, canopy, and industrial lighting applications. In essence, these are T bulbs that have had the glass blown so that they appear to have a bubble in the middle. The BT-series features bulged, bulbous, or blown tube-shaped light bulbs. You can find the following variants of the B-series: These bulbs are popular for use in chandeliers and other decór lighting products. Light bulbs from the B-series feature blunt tips and you can see that they resemble the shape of a torpedo or a blunt bullet. Furthermore, the A-Series bulbs come in Incandescent, CFL, LED, Metal Halide, High-Pressure Sodium, and Mercury vapor technologies. Albeit, consumer reports suggest that A19 and A21 bulb sizes are the most common in household applications. These bulbs are popular general lighting products in table lamps, wall, and ceiling lighting fixtures. For instance, an A19 bulb is the ‘classic A-shape’ and its diameter would be 19/8”. Therefore, you can identify the type A light bulbs by noticing a difference in their size. The various A-style light bulbs you can find are as follows:īy nomenclature, the letter ‘A’ indicates the shape and the number following it is the diameter of the bulb in eighths of an inch. These bulbs feature the classic household incandescent light bulb shape that resembles the letter ‘A’. Now, let’s take a look at the different light bulb shapes available:Īrbitrary or type A bulbs are known as the ‘standard’ light bulb size. Okay, that was a brief introduction to light bulbs. Later, Shuji Nakamura’s successful invention of the ultra-bright blue LEDs in the year 1994 paved the way for the LED light bulbs that have now become a worldwide favorite! It was only after the invention of the light-emitting diodes (LED) that the world could think of energy-efficient lighting fixtures. For the next 40 years, scientists frivolously worked on different versions of incandescent bulbs. However, much before he patented the invention in the year 1880, British scientists were demonstrating electric arc lamps. Thomas Alva Edison, a most unusual boy, is often attributed with the invention of the light bulb. So, if you are up for gaining detailed information about light bulb shapes, bulb sizes, and various types of bases- continue reading the blog. Knowledge is a powerful tool, as it helps make the best decisions for oneself and others. DON'T FORGET ABOUT THESE OTHER GREAT OPTIONS
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