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Fluorescent lighting problem . . . Ray 04-06-2008
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Posted by RBM on April 7, 2008, 7:21 am

>>
>>First check the power and ground connections. Next try new lamps, as they
>>get older they're more dificult to light.The fact that they work in the
>>one
>>fixture means little. Next, you could replaced the ballast transformers,
>>but I'd sooner replace the fixtures, preferably with Xenon
>
> Xenon undercabinet fixtures are merely improved incandescent ones.
> (Actually the light sources ahve this improvement.) Energy efficiency of
> xenon incandescent is a couple notches above that of conventional
> incandescent of same voltage, wattage and life expectancy - still a
> fraction of that of good fluorescent fixtures.
>
> - Don Klipstein (don@misty.com)

Don, what do you recommend as "good" undercabinet fluorescents? Years ago
when they were all T-12, they were fine, but ugly,then when they went to T-8
magnetic, I had nothing but trouble with them until Alko came out with the
"little inch" with the Radionics ballast. They were great for a number of
years, and now everyone's cloned them with varying degrees of quality. In
the past few years if I'm doing an undercabinet fluorescent job, even with
Alko brand,about 20% of the things don't work, right out of the box



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Posted by ransley on April 7, 2008, 8:47 am
>
>
>
> >>First check the power and ground connections. Next try new lamps, as the=
y
> >>get older they're more dificult to light.The fact that they work in the
> >>one
> >>fixture means little. =A0Next, you could replaced the ballast transforme=
rs,
> >>but I'd sooner replace the fixtures, preferably with Xenon
>
> > =A0Xenon undercabinet fixtures are merely improved incandescent ones.
> > (Actually the light sources ahve this improvement.) =A0Energy efficiency=
of
> > xenon incandescent is a couple notches above that of conventional
> > incandescent of same voltage, wattage and life expectancy - still a
> > fraction of that of good fluorescent fixtures.
>
> > - Don Klipstein (d...@misty.com)
>
> Don, what do you recommend as "good" undercabinet fluorescents? Years ago
> when they were all T-12, they were fine, but ugly,then when they went to T=
-8
> magnetic, I had nothing but trouble with them until Alko came out with the=

> "little inch" with the Radionics ballast. They were great for a number of
> years, and now everyone's cloned them with varying degrees of quality. In
> the past few years if I'm doing an undercabinet fluorescent job, even with=

> Alko brand,about 20% of the things don't work, right out of the box

Ive used about 26 of the HDepot T8 18" [GE brand I think] in the last
year with no issues, the units have bulbs and wall plugs, but are
offered in different styles. I have had these cheap T8 units lasting
20 years. 20 years ago they were cheaper than Cfls and the least
expensive way to get a low watt flourescent. I used to use them in apt
buildings for hall lights before I found Cfls for a 1$.

Posted by Ray on April 7, 2008, 7:45 pm
Thanks to one and all for helping with this. It turned out that the problem
was defective ballast transformers, which I bought for $15 each and
installed myself.

All the lights are on now.

-- Ray

> Our kitchen has three under-the-cabinet flourescent lights. Suddenly two
> out of the three tubes won't come on.
>
> The one nearest the switch still comes on, but not the next two.
>
> It's not the tubes, because I tested all three in the one that works, and
> they all come on.
>
> Sometime ago I noticed a very slight, intermittent popping noise -- almost
> like a water-drip -- in the area of the second on the line.
>
> I notice that when I take the tubes out of the non-functioning holders,
> the ends of the tubes are quite warm.
>
> I've tested all circuit-breakers.
>
> Any guidance appreciated.
>
>
>



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