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Old 02-06-2011, 07:42 PM   #16
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Changing Kitchen Light - Fluorescent Ballast


Ok, I got the bulbs, installed them, and have mixed results.

At first they were just flickering, similarly to before but with much more brightness and intensity. After spinning them around a bit, I finally got light!! But now I'm afraid if I turn them off, it will go back to flickering. The bulbs seemed extremely sensitive to position, and almost like when I twisted them into their "sweet spot" it came on.

The problem is they don't feel that tight. I'm having trouble twising them into that "firm" "in" position. It gets a little tight, but then gets loose again. So I'm not sure if...

a. I've installed them inproperly, which is giving me the flickering
b. the contacts on the fixture are corroded, or something.

or c. the ballast is bad.

If the ballast was bad, would it be possible to get steady light at all?

what do you guys think? thanks!

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Old 02-06-2011, 10:13 PM   #17
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Changing Kitchen Light - Fluorescent Ballast


Also, the house is about 20 years old. The ballast was changed 5 years ago (i don't think it's electric but don't know), and I don't see any visible starters. If they are hidden with the ballast there may be starters, but I don't see any near the tubes.

The light is still on and going strong. Very bright, no flickering. I'm afraid to turn it off though, it seems to have the most trouble getting on. Once it's on, it stays on and goes strong =(
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Old 02-07-2011, 10:26 AM   #18
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Changing Kitchen Light - Fluorescent Ballast


Looking for some ideas!
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Old 02-07-2011, 11:02 AM   #19
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Changing Kitchen Light - Fluorescent Ballast


Quote:
Originally Posted by llmercll View Post
Looking for some ideas!
When you twist the bulbs in there will be a "tight" spot when turning them. They should twist 90 degrees to be locked in. Sometimes new bulbs take a little bit to come on full brightness. If they're bright now, try turning them off and back on again. It can't hurt them. You may have a defective tombstone as well (bulb socket). Are any of them damaged or broken?
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Old 02-07-2011, 12:24 PM   #20
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Changing Kitchen Light - Fluorescent Ballast


When I turn them off and back on, they do the same flickering. But with a little twisting, I managed to get them on again, much faster this time. I don't see any noticeable damage to the bulb sockets.
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Old 02-07-2011, 08:55 PM   #21
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Changing Kitchen Light - Fluorescent Ballast


OK, now it seems to be working better. I left it on all day, turned it off, and then on again and it came on in a second. I then tried it again, and once again, it came on =)
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Old 02-07-2011, 10:36 PM   #22
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Changing Kitchen Light - Fluorescent Ballast


New tubes sometimes requires some burn in. They are more environmentally friendly but less light friendly. I have seen some that light up on the ends and take a hour for the center section to become full brightness.
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Old 02-07-2011, 10:49 PM   #23
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Changing Kitchen Light - Fluorescent Ballast


Yeah, since I've ran them today I've turned them on/off about 5 times. Each time they light almost instantly, sometimes with a second or so delay, but totally fine.

I'm just afraid it's going to go back to flickering =/

It's so nice having a bright kitchen!

Any tips to ballast/fluorescent bulb health and longevity?
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Old 02-08-2011, 10:45 AM   #24
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Changing Kitchen Light - Fluorescent Ballast


still working, I think I'm good to go!

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