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ieshiv
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Join Date: May 2009
Posts: 40
Good Answers: 1

Voltage drop

05/28/2010 12:07 AM

What is the voltage drop consider in lighting loads as per NEc is it 2% or 3% or 5% ?
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Anonymous Poster
#1

Re: Voltage drop

05/28/2010 12:35 AM

3%.
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
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#2

Re: Voltage drop

05/28/2010 1:40 AM

From mains to switching device, 3% max; from switching device to load, 3% max; total 5% max. (I.e., if the full 3% in one, then only 2% in the other.)

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