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PostPosted: Sun 3:29, 13 Oct 2013    Post subject: giuseppe zanotti sneakers Choosing an LED Light Bu

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Choosing an LED Light BulbArticle Summary: Many different models and styles of LED bulbs are emerging in today's marketplace. When choosing a bulb, keep in mind the following:
Many different models and styles of LED bulbs are emerging in today's marketplace. When choosing a bulb, keep in mind the following:
- Estimate desired brightness - read the package to choose desired brightness level. You can use wattage to compare bulb illumination, for example, a 3W [url=http://www.mquin.com/gzparis.php]giuseppe zanotti pas cher[/url] LED is equivalent in output to a 45 W incandescent. However, the new method for comparing bulbs is lumens. Lumens is the measure of perceived brightness, and the higher the lumens, the brighter the bulb. The FTC has mandated that by 2012 all light bulb packages display lumens as the primary measure for comparing bulbs. For more information about lumens, see LED Terminology further down this page.
- Choose between warm and cool light - new LED bulbs are available in 'cool' white light, which is ideal for task lighting, and 'warm' light commonly used for accent or small area lighting.
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- Choose high quality bulbs or they will die prematurely - do not buy cheap bulbs from eBay or discounters. They are inexpensive because the bulbs use a low-quality chip which fails easily.
-Look for certifications - including FCC, Energy Star and UL.
The common styles of LED bulbs include the following:
Diffused bulbs
In this style LED bulb, clusters of LEDs are covered by a dimpled lens which spreads the light out over a wider area. Available in standard Edison bases, these bulbs have many uses, such [url=http://www.rtnagel.com/airjordan.php]nike air jordan pas cher[/url] as area lighting for rooms, porches, reading lamps, accent lamps, hallways and low-light applications where lights remain on for extended periods.
Diffused high power bulbs
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Track Lighting
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Recessed Down light and Spotlight bulbs
LEDs are now available for standard recessed lighting pots and housings. For PAR 16 and PAR 20 cans, measure the can diameter and read the bulb dimensions to be sure it will fit. The light output and color quality are similar to incandescent down [url=http://www.achbanker.com/hollister.php]hollister france[/url] lights, but [url=http://www.moncleroutletosterblade.com]moncler outlet[/url] draws only about one-fifth of the power. Also, because they are 90% more efficient than incandescent. and last 10 times longer than CFLs, the frequency of changing bulbs is greatly reduced.
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