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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 and Materials

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Article 300 - General Requirements for Wiring Methods and Materials
Chapter 3 - Wiring Methods and Materials · Wiring Methods

General wiring method rules: protection, securing/support, boxes, raceways, wet locations, and underground basics.

Keywords: wiring method, raceway, cable, support, secure, wet location, underground

Related: 310, 314, 358, 352

Article 342 - Intermediate Metal Conduit: Type IMC
Chapter 3 - Wiring Methods and Materials · Raceway

IMC raceway uses, installation, support, and fittings.

Keywords: IMC, intermediate metal conduit

Related: 344, 358

Article 344 - Rigid Metal Conduit: Type RMC
Chapter 3 - Wiring Methods and Materials · Raceway

Rigid metal conduit installation rules.

Keywords: RMC, rigid conduit, galvanized rigid

Related: 342, 358

Article 352 - Rigid Polyvinyl Chloride Conduit: Type PVC
Chapter 3 - Wiring Methods and Materials · Raceway

PVC conduit installation, expansion, underground, sunlight, and support references.

Keywords: PVC, schedule 40, schedule 80, underground, expansion fitting

Related: 300, 355, 358

Article 358 - Electrical Metallic Tubing: Type EMT
Chapter 3 - Wiring Methods and Materials · Raceway

EMT installation, support, fittings, bends, corrosion protection, and common commercial raceway work.

Keywords: EMT, thinwall, conduit, support, strap, coupling, connector

Related: 300, 344, 352

Article 362 - Electrical Nonmetallic Tubing: Type ENT
Chapter 3 - Wiring Methods and Materials · Raceway

ENT installation and permitted/limited uses.

Keywords: ENT, smurf tube

Related: 352, 358