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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
Continuous Loads
Ref: 100; 210.19(A); 215.2; 210.20(A) · continuous load, 125 percent, 3 hours

A continuous load is a load where the maximum current is expected to continue for 3 hours or more. Exception/watch: Listed assemblies rated for 100% operation can have...

Chapter 1 - General

2
Article 100 - Definitions
Chapter 1 - General · General

Primary definitions used across the Code. Start here when a term drives the answer.

Keywords: definitions, qualified person, readily accessible, continuous load, grounded, bonding

Related: 110

Article 110 - Requirements for Electrical Installations
Chapter 1 - General · General

General installation requirements, listing/labeling, working space, conductor terminations, equipment markings, and workmanship.

Keywords: working space, listing, labeling, torque, termination, 110.26, equipment space

Related: 100, 250

Chapter 2 - Wiring and Protection

1
Article 250 - Grounding and Bonding
Chapter 2 - Wiring and Protection · Grounding / Bonding

Grounding electrode systems, bonding, equipment grounding conductors, grounded conductors, and service/subpanel grounding logic.

Keywords: grounding, bonding, GEC, EGC, ground rod, water pipe, gas bonding, subpanel, 250.66, 250.122

Related: 100, 110, 200, 230, 680

Chapter 4 - Equipment for General Use

1
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