NEC Code

NEC Chapter Structure

How the nine NEC chapters relate to each other -- which ones override the general rules and which stand alone.

Art. 90

NFPA 70 (NEC) Nine chapters, four parts Ch 1-4: General Rules Art. 90, 100, 110, 200-285, 300-398, 400-490 Ch 5-7: Special Hazardous locs, health care, EV/solar, emergency systems Ch 8-9: Standalone Communications (Ch 8) -- not subject to Ch 1-7 Ch 5-7 OVERRIDE Ch 1-4 when they conflict -- special beats general Ch 9 (Tables) is referenced by articles throughout -- not a standalone rule set.
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