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3 phase ground detection light bulbs


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#1 tmcdade

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Posted 26 August 2003 - 06:01 PM

phases a and b are bright and c is dim, what does this mean?

#2 electricpete

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Posted 21 September 2003 - 10:58 PM

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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