NFPA 70-2017 National Electrical Code (Effective Date 8 24 2016).pdf

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1、2017 NFPA 70 National Electrical Code International Electrical Code Series 1 2 3 4 5 LSC 20 19 18 17 16 ISBN: 978-145591277-3 (SB Print) ISBN: 978-145591278-0 (LL Print) ISBN: 978-145591279-7 (Spiral Print) ISBN: 978-145591280-3 (PDF) Copyright 2016 National Fire Protection Association One Batteryma

2、rch Park Quincy, Massachusetts 02169-7471 NFPA, NFPA 70, National Fire Protection Association, National Electrical Code, and NEC are registered trademarks of the National Fire Protection Association. IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA STANDARDS NOTICE AND DISCLAIMER OF LIABILITY CONCE

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12、ndards can be viewed at no cost at www.nfpa.org/docinfo.NFPA 70, National Electrical Code, NFPA, and National Fire Protection Association are registered trademarks of the National Fire Protection Association, Quincy, Massachusetts, 02169 Copyright 2016 National Fire Protection Association . All Righ

13、ts Reserved. NFPA 70 National Electrical Code 2017 Edition This edition of NFPA 70, National Electrical Code, was prepared by the National Electrical Code Committee and acted on by NFPA at its June Association Technical Meeting held June 1316, 2016, in Las Vegas, NV. It was issued by the Standards C

14、ouncil on August 4, 2016, with an effective date of August 24, 2016, and supersedes all previous editions. This document has been amended by one or more Tentative Interim Amendments (TIAs) and/or Errata. See “Codes Conduit Bodies; Fittings; and Handhole Enclosures 70 175Part I. Scope and General . 7

15、0 175Part II. Installation 70 175Part III. Construction Specications 70 181Part IV. Pull and Junction Boxes, Conduit Bodies, and Handhole Enclosures for Use on Systems over 1000 Volts, Nominal . 70 181 320 Armored Cable: Type AC . 70 182Part I. General . 70 182Part II. Installation 70 182Part III. C

16、onstruction Specications 70 183 322 Flat Cable Assemblies: Type FC . 70 183Part I. General . 70 183Part II. Installation 70 184Part III. Construction Specications . 70 184 324 Flat Conductor Cable: Type FCC 70 184Part I. General . 70 184Part II. Installation 70 185Part III. Construction Specications

17、 . 70 186 326 Integrated Gas Spacer Cable: Type IGS 70 186Part I. General . 70 186Part II. Installation 70 186Part III. Construction Specications 70 186 328 Medium Voltage Cable: Type MV . 70 187Part I. General . 70 187Part II. Installation 70 187Part III. Construction Specications 70 188 330 Metal-Clad Cable: Type MC . 70 188Part I. General . 70 188Part II. Installation 70 188Part III. Construction Specications 70 189 332 Mineral-Insulated, Metal-Sheathed Cable: Type MI 70 189