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2020 NEC Code Reference

Indexed GIES field reference for article lookup, bookmarks, and local notes. Full NEC text is not bundled.

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This section is an index and note layer only. Use your licensed 2020 NFPA 70 / NEC book, NFPA LiNK access, or AHJ-published adopted code source for exact enforceable text. Do not treat this page as the full code.

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Code Quick Cards

Short GIES field cards are grouped directly in the code tab below. Use the full cards when you need the detailed bullet list, exceptions, and gotchas.

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Chapter 2 - Wiring and Protection

1
Conductor Ampacity Basics
Ref: 310.15; Table 310.16 · ampacity, 310.16, derating, termination

Conductors shall have ampacity sufficient for the load after required adjustment and correction factors are applied. Exception/watch: Specific equipment articles,...

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