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renz0_oo7
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Join Date: Apr 2008
Posts: 2

isolating switch

08/03/2008 7:11 AM

I install the 480v dry type transformer outside the electrical room, where can i find in the NEC to provide isolating switch or Enclosed Circuit breaker.
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wareagle
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United States - Member - New Member

Join Date: Jun 2008
Location: Alabama
Posts: 1604
Good Answers: 63
#1

Re: isolating switch

08/03/2008 8:21 PM

Not required. You can use the breaker that feeds the transformer. IF its too far

you can use either method.
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