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Posted by Jackson on June 7, 2007, 10:44 pm
>>
>>>> The outdoor light adjacent to my garage is burning out bulbs very
>>>> fast. It worked fine using the original bulb for more than four
>>>> years, then I noticed it would tend to go out sometimes (a light tap
>>>> on the fixture would bring it back). Eventually the bulb burned out
>>>> completely and I replaced it. The new bulb worked OK for about 6
>>>> months then began to exhibit the same behavior until it failed
>>>> completely. So I replaced the bulb again and now it's dead after just
>>>> 3 days. The fixture appears to be designed for typical 60w
>>>> incandescent bulbs
>>>>
>>>> If it matters, there is another outdoor light on the same circuit that
>>>> does not suffer from rapid failure.
>>>>
>>>> Does this sound like a short, loose wire, corrosion in the fixture?
>>>> Is excessive voltage the main thing that can burn out a bulb
>>>> prematurely?
>>>
>>> Sounds like a fault in the fixture. Just what I have no idea.
>>>
>>> I cured the 'honey, the porch light is out" calls by replacing all
>>> yard/porch lights with compact flourescents. Changed from crawling a
>>> ladder every 3 or 4 months to a year or more. One fixture has a bulb
>>> that I have only replaced once in 10 years.
>>>
>>> Harry K
>>
>>Those compact fluorescents are going to be the next big environmental mess
>>on the scale of MtBE!
>
> Are you talking about the mercury?
>
> If you use one in an area where much of the electricity comes from coal,
> a CFL prevents more mercury emission than the amount of mercury that it
> contains.
>
> Meanwhile, how could they possibly be some big environmental mess
> compared to all the non-compact fluorescents in use in most commercial,
> industrial, institutional and government buildings and that found some use
> in homes?
>
> - Don Klipstein (don@misty.com)
A good portion of the fluorescent lighting in use today are the "green"
bulbs, but they still are not mercury free, just lower mercury content.
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