GIES OS
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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 4 - Equipment for General Use

1
Article 445 - Generators
Chapter 4 - Equipment for General Use · Generators

Generator installation, marking, disconnecting means, and wiring references.

Keywords: generator, genset, standby, portable generator

Related: 250, 700, 701, 702

Chapter 7 - Special Conditions

3
Article 700 - Emergency Systems
Chapter 7 - Special Conditions · Emergency Power

Emergency systems, wiring separation, transfer equipment, and life-safety power references.

Keywords: emergency system, life safety, generator, ATS

Related: 517, 701, 702

Article 701 - Legally Required Standby Systems
Chapter 7 - Special Conditions · Standby Power

Legally required standby systems, transfer equipment, and standby wiring.

Keywords: legally required standby, standby, ATS

Related: 700, 702

Article 702 - Optional Standby Systems
Chapter 7 - Special Conditions · Standby Power

Optional standby generators and transfer equipment for residential/commercial standby systems.

Keywords: optional standby, generator, transfer switch

Related: 445, 700, 701