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3 phase ground detection light bulbs
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tmcdade
post Aug 26 2003, 06:01 PM
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phases a and b are bright and c is dim, what does this mean?
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electricpete
post Sep 21 2003, 10:58 PM
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QUOTE
Originally posted by tmcdade
phases a and b are bright and c is dim, what does this mean?


I assume you have an ungrounded system with three light bulbs connected grounded-wye for ground detection. Your symptom suggests ground on c phase.
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