60 Hz buzzing noise coming from floor
Look for starterless fluorescent fixtures that have missing or burnt out
bulbs but are receiving power. Also, are there any fluorescent night
lights?
Don's right here if you're thinking it's coming from the ceiling. At lot of
instant-on fluorescent fixtures will buzz if the ballast is going or even
bad lamps.
If you've got fluorescent fixtures, look at them.
Jake
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