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bobo 03-04-2007 09:26 AM

testing a ballast

how do u test a ballast in a flouresent light fixture? should there be a specific voltage where the tubes plug in? it has two "23, 20 watt tubes. the tubes only light at the ends. i could replace the tubes and see if that works, but the tubes are about $8.00 a piece, so i would like to make sure its not the ballast first. if it is, ill just buy a new fixture.


joed 03-04-2007 09:49 AM

I put new tubes in. If they don't light up then I change the ballast.

jbfan 03-04-2007 11:01 AM

The same as joed.
Trying to test a ballast is a waste of time.

bobo 03-04-2007 09:53 PM


yeah. ill probally just buy another complete fixture. a 23" flourescent fixture is probablly only about 25 bucks...bob

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