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-   -   flickering flourescent, bad ballast? (http://www.diychatroom.com/f18/flickering-flourescent-bad-ballast-170385/)

D270 01-28-2013 04:05 PM

flickering flourescent, bad ballast?
 
Hi,
Basic builder flourescent 4 bulb kitchen light was flickering...was dim...then would go bright, etc. I took the cover off and all four lights were working but the outer two were dimmer than the inner two.

I swapped working bulbs with the outer sockets...now neither outer bulbs do not light at all, inner two work fine.

When they say "ballast" is there more than one? Could the outer two be wired together and the inner two wired together?

I had a T8 bulb, F32, F32, and F32...I thought I could use both, maybe I created stress on the fixture by mixing types?
T8...skinny bulb, F32...fatter.

It seems strange it finally gave up working when I finally investigated, but stranger things have happened.

Thanks!

http://progresslighting.com/beta_pro...uct=P7280-60EB

pwgsx 01-28-2013 04:18 PM

I would think it would be a 4 bulb ballast unless they got 2, 2 bulbs in there, just pop the cover off and see. If its a T8 ballast use T8 bulbs when you replace it.

jbfan 01-28-2013 05:22 PM

F 32 is the wattage rating.
You either had T-8 lamps or T-12 lamps, and you can not mix them.
Older 4 lamp fixtures had 2 ballast, one for the inside pair, and one for the outside pair.
Remove the cover and read the types of lamps the ballast are rated for.

D270 01-28-2013 07:45 PM

thanks, so there are two ballasts...explains why the outside ballast is going bad. this is also where I mixed the two types.....ouch.


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