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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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Chapter 3 - Wiring Methods / Materials

1
Conduit / Raceway Fill
Ref: Chapter 9, Table 1; Tables 4 and 5 · conduit, raceway, fill, EMT, THHN

Raceway fill is determined from the actual conductor areas and the permitted percentage of the raceway internal area. Exception/watch: Nipples not over 24 in. have a 60% fill...

Chapter 3 - Wiring Methods and Materials

1
Article 314 - Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures
Chapter 3 - Wiring Methods and Materials · Boxes

Box fill, pull boxes, junction boxes, device boxes, conduit bodies, and handholes.

Keywords: box fill, junction box, pull box, device box, conduit body, 314.16

Related: 300, 370, Chapter 9

Chapter 9 - Tables

1
Article Chapter 9 - Tables
Chapter 9 - Tables · Tables / Calculations

Conduit fill, conductor properties, resistance/reactance, and table-based calculations. Use exact NEC tables for final values.

Keywords: conduit fill, wire fill, table 1, table 4, table 5, resistance, reactance

Related: 300, 310, 314

Annexes

1
Article Annex C - Conduit and Tubing Fill Tables
Annexes · Tables / Calculations

Annex fill tables for raceway/conductor combinations. Informational; verify against adopted NEC usage.

Keywords: Annex C, fill table, conduit fill, EMT fill, PVC fill

Related: Chapter 9, 300