Lamp Bulb
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Lamp Bulb

Switching to Low Energy GLS Household Lamps
General Lighting Service or GLS light bulbs / lamps are generally the ones that have the classic, familiar, household incandescent Light Bulb shape – it’s likely that you have traditional incandescent bulbs in your main household light fittings e.g. 60w, 100w , that have this traditional bulb/ globe shape. The new EU Regulations that are now in force to stop the manufacture, sale and use of these bulbs obviously means that you will need to find alternatives.
Low energy GLS lamps / bulbs look similar, but as the name suggests, there are obvious potential benefits to using these instead. Available in bases to compliment your existing fittings (Bayonet Cap and Edison Screw for example), these energy saving versions could save £100 each over their lifetime when compared to the traditional incandescent equivalent. The main reasons for this are:
- Using less energy to produce equivalent light i.e. a 13w low energy GLS energy saver lamp / bulb can replace 60w incandescent bulb, and a 20w low energy saver GLS lamp / bulb can replace a 100w incandescent bulb.
- Having a longer life span. Whereas a traditional incandescent bulb may last 1000 hours, a low energy / energy saving equivalent could last 8000 hours. The lower operating voltage (mentioned in the point above) helps to prolong the life of the bulb / lamp.
In essence then the cost of producing the light is going to be minimal over time, and when you look at it this will more than offset the higher (compared to incandescent) purchase price of energy saving / low energy bulbs / lamps.
Halogen GLS bulbs are available, and these require higher operating wattages, but still offer a significant saving in operation. There is also experimental work being undertaken by some of the large lamp / bulb companies to make more efficient incandescent bulbs and lamps in the U.S. but by 2012, the last of the incandescent bulbs will have been phased out in this country.
About the Author
Art Icklewright is an author specialising in lighting and light bulbs of all kind including low energy light bulbs, energy saving light bulbs and G9 bulbs.
Microwaving a plasma lamp bulb
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