Well, upon closer inspection the ground wire is connected.
At this point I'm down to only 3 fixtures out of 12 that work reliably.
Perhaps it is time to really tear one apart and check all of the connections,
etc. Are there any tests I can do on the ballast?
-Darrell
On Jan 29, 2010, at 7:45 AM, Darrell Walker wrote:
> Prompted by Randall's questions, I looked more closely. The labels on the
> fixtures do indeed say T12 (40 or 32W) and T8 (32 or 25W). Opening it up,
the
> label on the ballast agrees (and they are electronic).
>
> The ballast ground wire is connected the fixture. The cord does have a
ground
> prong, but as far as I can tell, it isn't connected to the fixture in any
way.
> So I'll make that connection and see if it helps.
>
> -Darrell
>
>
> On Jan 28, 2010, at 10:05 AM, Randall wrote:
>
>>> A couple of years ago I put in a bunch of T8 fixtures (I
>>> think they can actually take either T8 or T12 bulbs),
>>> supposedly electronic ballast.
>>
>> Sockets are the same, but the ballasts are not. I learned this the hard
> way
>> with a kitchen fixture that I mistakenly installed T12 bulbs in. The
>> ballast died within about 3 years (didn't realize it was a T8 ballast
until
>> after I removed it and read the label). You might double-check that you
> are
>> using the lamps that match your ballasts. This is my first experience
with
>> T8 bulbs, but I've also found that some T12 ballasts don't like "energy
>> saver" T12 bulbs.
>>
>>> I found that just removing and
>>> reinstalling the bulb would "fix" the problem for a while.
>>
>> Are the fixtures properly grounded?
>>
>> -- Randall
>>
>
>
>
> --
> Darrell Walker
> 66 TR4A IRS CTC67956L
> Vancouver, WA, USA
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