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Old 01-26-2003, 08:46 PM   #11
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You may not see any real heat with the NO bulbs. The ballasts can get warm, but the bulbs will run pretty cool. As for the flicker, the fixture probably has a magnetic ballast. These tend to have a little flicker as they drive the bulbs at a lower frequency than the electronic ballasts. If it flickers a lot...like it's flashing on and off...you may have a defective fixture.
Logan J

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Logan J
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light, lighting

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