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I installed spiral fluorescent light bulbs and a motion activated light switch for my kitchen light and noticed that it flickered when it was inactivated. From what I understand, the motion switch doesn't stop the current completely; it uses a small amount to run the motion sensor. That small amunt of current will build up in the flourescent bulb and discharge causing it to flicker. Fortunately, the light fixture I had held two bulbs and I simply replaced one of the two spiral fluoresent bulbs with a regular incandescent bulb and the flickering stopped. Based on that,I assume some current is still getting to yourlight bulb which is causing it to flicker.

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Wiki User

15y ago
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AnswerBot

5mo ago

Fluorescent light bulbs can flicker due to issues with the ballast, poor electrical connections, or the bulb reaching the end of its lifespan. Flickering can also occur when the bulb is improperly installed or when there is electrical interference.

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12y ago

Could be cold, or the gas is gone, or the ballest is bad. Hope it helped cause my dad is good with these things i txted him and he said that stuff I just told you!

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Q: Why does a florescent light bulb ficker?
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