Questions tagged [feeder]
2 questions
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NEC gurus: What does condition 2 mean in the exception to subsection 250.32(B)(1), to not run an equipment ground in a feeder to an out building?
I'm trying to understand the exception in the NEC, subsection 250.32(B)(1), which gives permission to use the grounded conductor as the ground fault current path. Apparently, in earlier code cycles this was allowed, and I run across it in the field…
Nicknamednick
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Do I need to use 60 degree C ampacity rating for feeders to 60 amp subpanel?
I calculated my wire size for feeders to a 60 amp subpanel, for a pump house, based on 75C column of ampacity chart. Terminals out of main and into subpanel are both rated 75C. But then I saw something about circuits under 100 amps need to use 60C…
cjc
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