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Lamps in Electrical systems


Lamps in Electrical systems

Lamps and their light bulbs are very sensitive to voltage. If you shift between voltage systems, you will need to change the light bulbs to match the voltage, unless the lamp is designed to operate on both systems, say through a low voltage adaptor. If you buy a lamp abroad, you may need to have an electrician completely rewire a lamp when you get home to comply with your country's electrical safety standards. This may not be a problem for a one-off special item, but if you are going into the importing business it could be a showstopper. Also watch out for the light bulb connection. In 100-127V systems this is often a screw connector while in 220-240V systems it is often a bayonet connector. These connectors also come in at least two different sizes. Be sure you can obtain light bulbs of the right voltage, size, and connector shape in the country you intend to use the lamp, and at a reasonable price, or the lamp may become little more than junk when the bulb fails. Note that fluorescent and LED lighting contains electronics and must use a heavy iron-core transformer to convert voltage. Converters are not acceptable. Some fluorescent units might be sensitive to changes in frequency (50 or 60 Hz) if it's not the same as what is specified. This type of lighting has its own "flickering" frequency, which is suppose to be too rapid to notice. However, old and defective units often produce an annoying, visible flicker, and the wrong electrical frequency might have the same effect as well.

The Most Frequently Asked Travel Questions about Electrical systems


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Electrical systems Travel Guide from Wikitravel. Many thanks to all Wikitravel contributors. Text is available under Creative Commons Attribution-ShareAlike 3.0, images are available under various licenses, see each image for details.

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