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Thomas Alva Edison’s 1879 invention changed the world. Even though it was a stepping stone in civilization, the original has undergone several changes since it was invented and today, we have a plethora of choices in light bulbs.

This article will tell you about Incandescent bulbs, fluorescent bulbs, compact fluorescent bulbs (CFL), high intensity discharge lamps and light emitting diodes (LEDs).

An incandescent bulb is the kind that Edison invented and that is in widespread use even today. It produces light by electrically heating a tungsten filament till it glows. It comes in a large range of wattage and colors and can be used with dimmers. Its disadvantage is that it is not very energy efficient.

Fluorescent bulbs are different from incandescent bulbs in that they are filled with mercury vapor plus inert gas and coated with fluorescent-phosphorescent salts. Fluorescence happens when electricity from tungsten filament excites the mercury vapor, which in turn excites the salts. Fluorescent bulbs are more expensive but more energy-efficient also.

Fluorescent bulbs are fitted with ballasts to control current in the bulb. This is why they are more expensive. Also they are usually long tubes or sometimes circular or U-shaped. So many people don’t think they are wieldy or aesthetic as home fixtures. A CFL, on the other hand has all the features of a fluorescent bulb except it is the size of an incandescent bulb, is available in many colors and lasts much longer.

Old fluorescent bulbs cannot be thrown away with general waste because they contain dangerous mercury. Inside the top glass covering of a high intensity discharge bulb is another fused quartz/alumina tube, which has a gas as well as a metal halide. There are also tungsten electrodes in this with an arc in between.

When the electricity is turned on, the gas first heats up and causes the arc to glow. It then vaporizes the metal halide, which increases the intensity of light produced by the arc and reduces power consumption. Depending on which salt is used, colour of the light is different. These are usually used to light roads, etc and not homes.

Light emitting diodes are basically forward biased semiconductors, which release energy in the form of light when electrons and holes unite. Even though they are pricey when compared with CFLs, they are extremely energy efficient. In conclusion, the consumer has a variety of bulbs to choose from depending on price, type and energy saving capacity.

Scott Rodgers is an author with a lot of experience in electricians work all over the country. His excellent guidance has created business opportunities for a lot many Albany electricians and Columbia electricians.

An electrician is one who can be required at any moment of time when you are in some kind of electrical trouble. He knows well how to tackle the problem and come out it.

We have to be very smart about knowing exactly when we need to hire an electrician. Don’t ever do a job just because you think you can do it especially when it is related to some electrical work. Electricity is dangerous and has to be dealt with the safest way possible. Therefore, in such situations it is always better to call a professional electrician to help you.

You should avoid doing any kind of electrical work unless you have proper knowledge of doing it. Half knowledge of the procedure can put you or your family in a big trouble. A professional will take little money from you but that way you can save yourself from a big risk. You can think of doing small electrical work like repairing a light fixture that is easy to do. But for doing that also you need to be attentive.

In case you repair any electrical problem in your house then do verify that by calling an expert electrician as a defect could cause serious problem at later stage. You may have apt knowledge of doing the work but still taking precaution is mandatory. In case you are installing a new light fixture then due to ignorance you may overload a circuit that could cause a fire. Therefore, you need to take care of all such things.

There could be few issues in which you can’t do anything and the only option is to call an experienced electrician. In such cases, you should not even touch the appliance or circuit as you can increase the level of problem without proper knowledge.

An electrician knows well, how to solve the problem step by step. You can get to know about the electrician through your friends or relatives who have hired an electrician in the past. You can also know about electrician with the help of local newspaper ads or phone book.

It is good idea to call a licensed electrician for all the electrical jobs around your home. A licensed electrician has more than required experience in their field.

No doubt, your safety is more important than money. So if at any point you think that you can not solve the problem then immediately call an electrician rather that taking a risk. Check out the service charges of various electricians to find out the most cost effective and good one for you.

Scott Rodgers is a writer with ample experience in electricians work all over the country. His exemplary guidance has generated business for a lot many Leawood Electricians and Sanford Electricians . Grab a totally unique version of this article from the Uber Article Directory