Q. What does the Code mean by “overcurrent”? A. Overcurrent exists when current exceeds the rating of equipment or the ampacity of a conductor, due to an overload, short circuit, or ground fault. The Code defines these three terms in Art. 100 as follows: • Overload. An overload is a condition where equipment or conductors carry current exceeding their current rating. A fault, such as a short circuit or ground fault, isn’t an overload. An example of an ...
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