On Mon, Jan 3, 2011 at 12:49 AM, Randall <TR3driver at ca.rr.com> wrote:
>> My first question is if there is a good/affordable supplier
>> of electronic
>> ballasts for my existing T12 fixtures?
>
> You might try going to Home Depot and digging through the pile of ballasts.
> I had a mag ballast fail last year, and although it wasn't shown on the web
> site, I found an electronic replacement in the store for about $17.
>
> Here's the best price I could find on-line just now:
> http://usalight.com/b2x60-120-2-lamp-ballast-for-f96-t12-120.html
> If you like, I'll split an order of 6 with you, to qualify for free
> shipping. B (I work in Torrance.)
>
> One other thing to check is whether your fixtures are grounded. B Even with
> our recent cold snap, my mag ballasts only flicker a little more than the
> electronics, and quit within a few minutes. B Tired bulbs can cause
> flickering problems as well.
>
While dying tubes can flicker a lot (and often at mains frequency,
which most people can notice, if one of the cathodes is worn out more
than the other), some magnetic ballasts flicker more than others. And
some people notice the flicker more than others.
--
David Scheidt
dmscheidt at gmail.com
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