25 NEC Exam Prep Practice Questions With FULL Explanations VOLUME 1 Masters Journeyman
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- Опубліковано 15 вер 2024
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The question about thhw #6, with ambient temperature of 142 degree Fahrenheit. You use the 90c column. It's in the 75 degrees column as well and with 75 terminals wouldn't it be sized to that? Have my state cert tomorrow. Currently state certified in CA. Trying to move out of state. Appreciate the help.
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This seems to be based off of NEC 2017
It's good from 2008 to 2020
@8 minutes….why are you using the 75c column? If not specified shouldn’t you be selecting from the 60c???
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@@Electricalexamcoach I will take your course. And I answered my own question after digging a little deeper