The Solar Power Expert Blog

Becoming Familiar With The Numbers On Your LED Lights

by GuestPoster - November 7th, 2011.
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When looking to replace a bulb, many people look to the numbers on the bulb. However, it often difficult to guess what the numbers mean. This article will help you figure out what some of those numbers might mean.

The letters and numbers usually are shortenings and by having the information about what they imply. Once you figure out what they mean, you can easily search for the LED illumination you really want.

Power level

Wattage is the amount of electricity the bulb consumes for each and every hour. In same family of bulbs (just like fluorescent lighting fixtures) the greater the power level the more brilliant the luminosity is. The weakness is that you utilize more power. Thus, if perhaps an illumination is 100 watts, you are actually utilizing 100 watts of electrical energy for every hour. You will commonly notice this abbreviated and will see the acronym appear to be this: 100W or 100w. If you make use of a compact fluorescent the number would be more like 16w.

Light bulb Shape

Among Philips Light bulbs, for instance, there are actually not less than fifty fixture shapes in incandescent lamps. Among halogen and additionally halogens’ there are actually not less than thirty two lamp fixture shapes. In Philips Fluorescent together with Compact Fluorescent categories you will discover not less than thirty eight light shapes. Lastly along with HID, Specialty and also LED illuminations you will definitely find above fifty light bulb shapes.

If you utilize a PAR38 in your recessed illumination, that very same fixture shape can be found in an incandescent, halogen, compact fluorescent or even metal halide. The in general length can vary greatly slightly but yet the standard shape of the illumination is usually the same.

How can you know exactly what lamp shape you possess? The letters being used are not actually abbreviations. Here are some examples of lighting shapes: BT15, BR40, PAR38, T4, G25, A19 etcetera. A19 LED light bulb is your normal fluorescent light very popular in table illuminations. F, B & BA Shapes are employed usually in chandeliers and even sconces. BR, ER, PAR, R as well as others are employed in recessed illumination as well as some outdoor light bulbs. G are globe light products regularly used in vanity illumination. This may not be all the shapes, nonetheless you now have some idea.

In the event that reside in California, you may be amazed to know that the state usually requires building contractors of modern construction to place certain lighting fixtures that solely use compact fluorescents. These will most likely need PL light bulbs shapes. They really are PL-H, PL-S, PL-C, PL-L as well as PL-T. They are very different when it comes to base layout and in addition measurements as well as number of light tubes you see on the light bulb.

Base Style

The most widespread base types are typically Medium base as well as Candelabra base. Medium base is the common size that is around 1″ in diameter. Candelabra base is the more compact base which is used generally in decorative sconces, chandeliers and several undersized convenient lights.

Within California state the base forms of the plug in bulbs are usually written this way: G24d-3, G23, 2G8-1, G24q-1 or simply anything in precisely the same range.


Voltage needs to be picked depending upon the voltage of electricity which is going into your residence. This is exactly signified in either 120V or possibly 130V. If you currently have set a 120V light in a work table lamp fixture and then you have blown some quite quickly, you almost certainly really need a 130V light.

Reduced voltage illumination is twelve volts or simply 12v and is mostly halogen lights.

Spot Versus Flood

Spot as well as a flood frequently used in lowered-level cans each one surely have many different degrees of swath of illumination. It could be 10 (degrees), 25, 32 or even 40 or whatever number something like this particular range. Spots are usually a slimmer beam beam and additionally flood lights have a bigger beam of light.


At times you can find upon your lamp fixture a number such as 827, 830, 835 or maybe 841. These kinds of numbers are actually the different hues that Philips small in size fluorescent plug ins come in. Many other LED light bulbs can be chosen in several hues too.

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