2010年8月18日 星期三

A Fluorescent Light ?

How To Eliminate The Buzz From A Fluorescent Light ?

It's a well-known fact that fluorescent lighting is cost effective and cheaper to operate than incandescent bulbs. People being aware of the harmful effects of incandescent lamps are now switching over to florescent lamps. Since these are capable of illuminating a large amount of bright light and consumes less energy.

No doubt, fluorescent lights are inexpensive and easy to maintain,compact fluorescent light bulb it has some bad points as well. This causes them an unfavorable choice for commercial users. One of the disadvantages is florescent lamps are a bit noisy as they produce audible buzzing noise as they grow old or if there is some imperfection in the ballast.

Mostly all the fluorescent lights consist of ballast that are comprised of an inductor. A change in the flow of alternating current through the inductor creates a changing magnetic field, which in turn creates, or induces, a changing voltage in the wire, retarding the current flow. This causes the fluorescent light fixtures to buzz.

Before making any adjustments and replacements to the electricity,deck light make sure you have turned off the appliance on which you are working. In this case you can either turn off the power at the light switch before removing the fluorescent bulb from its fixture or simply shut down power at the circuit box for the fixture as well.

Now, detach the lamp from its casing.deck lighting Inspect all the parts of the light and fixture for dirt and dust. There should be no sign of dirt and grin on the lamp as well as its fixture. So, clean them thoroughly.

Out straight the prongs of the fluorescent bulb that are situated at the end of the bulb.deck lights Make use of the pliers to do this. Set the bulb firmly into position and turn the electricity back on. Check to see if the humming stops.

In case, you are not freed of the humming problem, test if, the screws that hold the ballast are tight or not. If not, just tighten them using a screwdriver. Even if the buzzing do not stops, just replace the ballast as there are chances that the ballast has totally gone. After replacing the ballast, check again if the tube light has stopped humming.

At times, you fail to detect and rectify the problem; you may need to summon the services for a qualified electrician.

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