You do not need the sheet metal if you build the unit by assembling
several of the the two-tube holders with integral ballast. Just make
sure to tie them all together to a common ground.
When assembling units with individual bipin holders a piece of sheet
metal behind the tubes is sometimes needed to get all of the tubes
to come on at the same time. Others have achieved the same result by
just lapping a small wire over all of the tubes.
Sandy
>Dave Rose writes:
>> Position a large piece of sheet metal immediately behind the bulbs -
>> otherwise they won't turn on.
>
>I'm sorry, I don't understand this.
>
>In honor of Halloween, one of our local hardware stores had 40W
>blacklight flourescents, mounted in cheap fixtures, on sale. Rigging
>them up tonight, with any luck.
>
>--Eric
Received on Wed Nov 3 12:47:36 2004
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