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Posted by James Sweet on July 22, 2005, 2:39 am
> On Thu, 21 Jul 2005 04:46:19 GMT, "James Sweet"
>
> >
> >>
> >> If this strip light has a 40-watt ballast it should not be used with
> >> 25-watt lamps, as they will have a very short life. If it has a
> >> 25-watt ballast, especially an L-C ballast that produces very poor
> >> lamp current crest factor, I recommend you get one with a decent
> >> 40-watt ballast.
> >>
> >>
> >
> >
> >Every single tube strip light I've seen has a ballast rated for 36-48"
tubes
> >which runs either one at about 25W. They're ok for 36" tubes but
worthless
> >for 48".
>
> You need to look for commercial grade fixtures, such as the
> Lithonia S 1 40 120 ES strip light. This is designed for a 4-foot,
> 34-watt T12 lamp. Grainger lists this fixture for $25.30.
>
>
http://www.grainger.com/Grainger/productdetail.jsp?xi=xi&ItemId=1613506256&ccitem=
>
I always just use the cheap fixtures and put a decent electronic ballast in
them, those 34W energy saver tubes are a joke, a 32W T8 on a HF electronic
ballast is substantially brighter.
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