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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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General Field Reference

1
Termination Temperature Limits
Ref: 110.14(C) · termination, 75C, 60C, 90C

Conductor ampacity shall be based on the temperature rating of the termination as required by 110.14(C). Exception/watch: Listed equipment identified for other conductor...

Chapter 1 - General

1
Article 90 - Introduction
Chapter 1 - General · General

Purpose, scope, arrangement, enforcement concepts, and how to read the NEC in the field.

Keywords: scope, purpose, enforcement, mandatory, permissive, explanatory

Related:

Chapter 4 - Equipment for General Use

2
Article 400 - Flexible Cords and Flexible Cables
Chapter 4 - Equipment for General Use · Equipment / Cord

Flexible cord rules, uses not permitted, strain relief, and temporary equipment connection issues.

Keywords: cord, flexible cord, SO cord, extension cord

Related: 590, 422

Article 490 - Equipment Over 1000 Volts, Nominal
Chapter 4 - Equipment for General Use · Medium Voltage

Medium-voltage equipment rules and references.

Keywords: medium voltage, over 1000V, MV

Related: 110, 240

Chapter 5 - Special Occupancies

1
Article 525 - Carnivals, Circuses, Fairs, and Similar Events
Chapter 5 - Special Occupancies · Temporary / Events

Event power, temporary wiring, and outdoor public event rules.

Keywords: fair, carnival, temporary event, festival

Related: 590

Chapter 6 - Special Equipment

1
Article 690 - Solar Photovoltaic Systems
Chapter 6 - Special Equipment · Solar PV

PV circuits, disconnects, rapid shutdown, labeling, grounding, and interconnection references.

Keywords: solar, PV, photovoltaic, rapid shutdown

Related: 705, 706

Chapter 7 - Special Conditions

2
Article 705 - Interconnected Electric Power Production Sources
Chapter 7 - Special Conditions · Interconnection

Interconnection of power production sources such as PV with premises wiring.

Keywords: interconnection, backfeed, line side tap, solar

Related: 690, 706

Article 706 - Energy Storage Systems
Chapter 7 - Special Conditions · Energy Storage

Battery/energy storage systems, disconnects, location, and equipment references.

Keywords: ESS, battery storage, energy storage, inverter

Related: 480, 690, 705