Choosing the right light isn't so easy any more! With the rapid expansion of technology, you're left with dozens of choices, ranging from fluorescent light bulbs, to halogen bulbs, to led bulbs, to the classic electric bulbs invented by Thomas Edison. It's often easy to get lost and settle for the first lights bulbs you find. The next time you're at the store, take a breath, relax, and remember that so much choice is actually a good thing.
Bulbs operate on one of several principles, and can be divided into different types of bulbs. The simplest, and most commonly used are incandescent lights. These are the classic lights we find everywhere around our home, and produce light by passing electricity through a filament, generating both heat and light. They are sometimes called ""daylight bulbs,"" because they produce a very pleasant and warm glow. Halogen bulbs work almost the same way, but are many times more efficient. The filament is encased in a special quartz container, and surrounded with a special gas that allows it to both last longer, and provide more light for the amount of energy you put into it. A 40 watt halogen light bulb may burn as brightly as a 100 watt standard bulb.
But we're getting ahead of ourselves. Take a look at any of them, and you'll probably see some numbers imprinted in the glass. This number is called the bulbs wattage, and it ranges from around 15 watts, to upwards of 10,000. The amount of the bulbs watts determines how much energy it uses. Some lights have a volt and amp measurement, which is really just a different measure of the same thing. Don't be confused when you see an ad for 12 volt light bulbs, or ""low voltage light bulbs."" You can easily figure out the wattage by multiplying the number of volts by the number of amps. For instance, 12v light bulbs that use 6 amps have 12 X 6, or 72 watts.
Another common style of bulbs are flourescent lights. These energy lights don't have a filament at all, but instead pass energy through a tube full of gas. You can see the energy building up in the tube, when you turn the light on and the compact fluorescent bulbs, bulbs flicker before turning on fully. The light emitted by fluorescent bulbs is not the same as that of full spectrum light bulbs, and it may have a cool or unnatural feeling. Still, you can run these lamps bulbs for next to nothing, and they will last for years before needing replacement. Metal halide bulbs are a special type of gas bulb that are often very powerful, and use hundreds or thousands of watts. These lamps are the projector light bulbs commonly found in industrial settings and stadiums.
With energy cost rapidly rising, many people are switching over to low energy bulbs. You can now find many types of energy saver bulbs, that will burn fairly brightly while using a fraction of the watts of standard bulbs. Although energy efficient light bulbs cost more than the ordinary kind, replacing the normal lights in your house with energy saving light bulbs will save you money in the long run. You won't need to change your bulbs as often, and you'll be helping the environment too.
Before you buy any lights online, make sure to check your lamp and verify that the wattage you are buying is the right one for your lamp. Improper wattage may be dangerous, and could potentially start a fire.
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