BASIC NEC CODE RULES AND DESIGN PRACTICE

43 and above 50 *If circuit is loaded up to 80% ampacity, then 6 phase wires can be put in one conduit. ... Next higher CB size is 90 Amp. NEC 240-6 and 240-3 exception 1, conduit-size, 3 #4 in conduit Table 3A = ... c. Reduce outlet loading from the 10 maximum per 20 Amp circuit to less in areas of large load, shops, repair facilities, etc. d ... ................
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