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Everybody would like to buy a light bulb which lasts at least as long as the box you bought it in claims it will. However, as I mentioned in the definite guide for declaration found on light bulb packages, the longevity of light bulbs is usually much shorter than it is declared on their package. In this article youre going to find out how you can try to make your light bulbs last longer without shifting to other type of lighting.

I decided to write about most commonly used types of light bulbs today: incandescent, CFL and LED light bulbs. An important fact is that there are many variations of light bulbs that are using the same technology, and their longevity as well as ways to prolong it will be generalized.

Among other factors, the lifetime of any lamp depends on operating voltage, manufacturing defects, exposure to voltage spikes, mechanical shock and vibrations, how often you turn the light on and off, and ambient operating temperature. Make sure to check the condition of your light fixtures and find a way (or a person) to check the wiring.

In cases of high voltage or a bad power provider, a silicon diode cap can be screwed over the base of the bulb to reduce the voltage passing through. By lowering voltage, they also lover the generated heat, however, they also reduce the light output to some extent.

Before jumping to the section you are interested in, you should also be advised to buy light bulbs from companies with stricter quality control and brands you trust in. In long term, the difference in price between alight bulb of quality and a cheap light bulb pays off when it comes to frequency of their replacement.

General Electric Company was the first to patent a method of making tungsten filaments for use in incandescent light bulbs back in 1906, and the method hasnt changed a great deal during that time. Although they do have the lowest initial cost, compared to CFLs and LED light bulbs, incandescent light bulbs have the shortest longevity and highest energy consumption for the same amount of lumens (light) they are able to emit. So, how to make them last longer?

As mentioned in article about declaration found on light bulb packages, most household bulbs which operate on higher voltage than declared lose around 60 percent of the declared life. That is why buying light bulbs with more volts (V) than it is proposed by standard in your country can prolong their operation. Another two factors which influence the longevity of incandescent light bulbs are temperature and vibrations.

Most incandescent bulbs have a tungsten filament which heats up as electricity passes through. The heat, which produces the light, makes the filament fragile and wears it off over time. This part will heat up faster as it has a higher resistance (P = I2R), thus causing further thinning of the already thinnest part. You should also enable the light bulb to dissipate the heat more easily and lower its exposure to cold temperatures.

The best way to counter this effect, and stick to usage of tungsten incandescent light bulbs, is to install a continuous (dial type) dimmer switch. By slowly turning on a cool light bulb, you prevent surges of electricity from rushing through the filament. Unlike some of the old dimmer switches, modern dimmers do lower energy consumption as well. Therefore, turning down the maximum amount of light to the amount you actually need makes your electricity bill lower, and your light bulb lifespan longer.

Incandescent light bulbs are also sensitive to vibrations that may come from slamming doors, machines, shocks or even noise. The solution to this problem is usage of vibration resistant fan bulbs or rough service light bulbs. These bulbs have an extra filament that reduces the vibrations. Unlike most standard incandescent bulbs which last anywhere between 700 and 1,000 hours, rough service light bulbs can withstand vibrations and can generally last 2 to 10 times longer.

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Longevity of light bulbs and how to make them last longer ...

This entry was posted on June 15, 2015 at 8:48 am and is filed under Longevity. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed. |