Part II of Art. 210 of the 2020 National Electrical Code provides the requirements for rating branch circuits. It’s pretty simple, really. You rate them per the maximum permitted ampere rating (or ...
Article 210 provides the general requirements for branch circuits not over 1,000VAC or 1,500VDC. These include requirements for conductor sizing, overcurrent protection, identification, GFCI and AFCI ...
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