Industrial and Commercial Wiring

Industrial and Commercial Wiring

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NEC 220-4(d) states that the neutral feeder load shall be taken as the maximum unbalanced load. ... Table 310-12 lists the nearest size of copper wire as No. ... Service Service conductors must be large enough to accommodate power supplied by the two feeders, the total ... The section states that a demand factor of 70 percent may be applied to that portion of the unbalanced load in excess of 200 amps.

Title:Industrial and Commercial Wiring
Author:Kennard Codville Graham
Publisher: - 1963


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