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Discussion Starter · #1 · (Edited)
Help please, here's a question on:

NEC, Annex D, example D2(a)

(Optional calculation for one-family dwelling, Heating Larger than Air Conditioning).

My question concerns determination of the
'Feeder Neutral Load' for that example D2(a) in Annex D.

And my question is...
why is the 9000 watts of electric space heating in Annex D example problem D2(a) NOT included in the Feeder Neutral Load determination?
( the electric space heating is NOT given to be a 240 volt load. For that matter, neither is the water heater. But I just assume 240 for the water heater. What about the space heaters....why is space heating 9000 watts not included in the Feeder Neutral Load determination? ). Thanks.
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