The overcurrent protection requirements outlined in the NEC can be found in Art. 240, except as noted in Table 240.3. As we noted in Part 16 of our series on Electrical Services, the requirements for overcurrent protection of service equipment are listed in Part VII of Art. 230. Table 240.3 lists Art. 230 as one of the “other Articles.” It also lists Art. 210 for branch-circuits, but the overcurrent protection requirements for those are in Art. 240. In some cases, another Article ...
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