Most petrochemical industrial facilities have numerous small (30kVA or 45kVA) transformers spread throughout the process units serving lighting and power distribution panelboards. In the U.S., the ...
All questions and answers are based on the 2017 NEC. Q. What is the Code requirement for sizing the overcurrent protection of conductors? A. Except as permitted by Sec. 240.4(A) through (G), ...
Again, in the case of air conditioners, we don't need to match up the size of the circuit breaker to the wire sizes. To paraphrase from EIOED, this is because air conditioner compressors contain ...
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