gray.one
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- Reston, VA
Shouldn't the reduction in 220.61(B)(2) be based on the current without the reduction of 220.61(B)(1)?
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Example D4(a) Error?
- Thread starter gray.one
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Shouldn't the reduction in 220.61(B)(2) be based on the current without the reduction of 220.61(B)(1)?
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- Location
- Chapel Hill, NC
- Occupation
- Retired Electrical Contractor
Not IMO, I think the example is correct. 220.61(A) gives us the calculation for the unbalanced loads for the 120v loads. Then 220.61(B) gets more specific and states that we can take 70% off the neutral current on specific appliance and any neutral current over 200 amps. It does not say either A or B so you do it for both
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