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NEMA WC 70 : 2009

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

POWER CABLES RATED 2000 VOLTS OR LESS FOR THE DISTRIBUTION OF ELECTRICAL ENERGY
Available format(s)

Hardcopy , PDF

Superseded date

08-28-2021

Language(s)

English

Published date

12-06-2012

FOREWORD
Section 1 - GENERAL
  1.1 SCOPE
  1.2 GENERAL INFORMATION
  1.3 INFORMATION TO BE SUPPLIED BY PURCHASER
Section 2 - CONDUCTOR
  2.0 GENERAL
  2.1 PHYSICAL AND ELECTRICAL PROPERTIES
  2.2 CONDUCTOR SIZE UNITS
  2.3 CONDUCTOR DC RESISTANCE PER UNIT LENGTH
  2.4 CONDUCTOR DIAMETER
Section 3 - INSULATION
  3.1 MATERIAL
  3.2 INSULATION LEVELS
  3.3 INSULATION THICKNESSES
  3.4 ADDITIONAL INSULATION THICKNESS FOR NON-SHEATHED
       SUBMARINE CABLES
  3.5 REPAIRS
  3.6 INSULATION GRADES AND REQUIREMENTS
Section 4 - COVERING
  4.1 JACKETS
  4.2 METALLIC AND ASSOCIATED COVERINGS
  4.3 DIVISION I
  4.4 DIVISION II
  4.5 DIVISION III
Section 5 - ASSEMBLY, FILLERS, CONDUCTOR IDENTIFICATION,
            GROUNDING CONDUCTORS AND SHIELDING
  5.1 ASSEMBLY OF MULTIPLE-CONDUCTOR CABLES
  5.2 FILLERS
  5.3 CONDUCTOR IDENTIFICATION
  5.4 GROUNDING CONDUCTORS
  5.5 SHIELDING
Section 6 - PRODUCTION TESTS AND TEST METHODS
  6.1 GENERAL
  6.2 THICKNESS MEASUREMENTS
  6.3 SAMPLES AND SPECIMENS FOR PHYSICAL AND AGING TESTS
  6.4 AGING TEST
  6.5 HEAT SHOCK TEST
  6.6 COLD-BEND TEST
  6.7 TIGHTNESS OF POLYETHYLENE JACKET TO SHEATH TEST
  6.8 HOT CREEP TEST
  6.9 WRAP TEST FOR NYLON-COVERED INSULATED CONDUCTORS
  6.10 ELECTRICAL TESTS ON COMPLETED CABLES
  6.11 RETESTS
Section 7 - QUALIFICATION TESTS
  7.0 GENERAL
  7.1 ACCELERATED WATER ABSORPTION TEST, ELECTRICAL METHOD
       AT 60HZ
  7.2 Insulation Resistance Test
  7.3 TRAY CABLE FLAME TEST
  7.4 SUNLIGHT RESISTANCE TEST
  7.5 Halogen Content of Non-Metallic Elements
  7.6 Smoke generation test
  7.7 acid gas equivalent test
  7.8 ENVIRONMENTAL STRESS CRACKING TEST
  7.9 ABSORPTION COEFFICIENT
  7.10 WET INSULATION RESISTANCE STABILITY TEST
Section 8 - CONSTRUCTIONS OF SPECIFIC TYPES
  8.1 PREASSEMBLED AERIAL CABLES
APPENDICES
APPENDIX A - NEMA, ICEA, AND ASTM STANDARDS (Normative)
APPENDIX B - DEFINITIONS OF MAXIMUM TEMPERATURES OF
             INSULATED CABLE CONDUCTORS (Normative)
APPENDIX C - EMERGENCY OVERLOADS (Informative)
APPENDIX D - ABBREVIATIONS AND SYMBOLS (Informative)
APPENDIX E - REPRESENTATIVE TENSILE STRENGTH AND ELONGATION
             OF NONMAGNETIC METALS (Informative)
APPENDIX F - RECOMMENDED BENDING RADII FOR CABLES (Informative)
APPENDIX G - ADDITIONAL CONDUCTOR INFORMATION (Informative)
APPENDIX H - PROCEDURE FOR DETERMINING DIMENSIONAL REQUIREMENTS
             OF JACKETS AND ASSOCIATED COVERINGS (Normative)

Pertains to materials, constructions, and testing of 2000 volts and less thermoplastic, crosslinked polyethylene, and crosslinked rubber insulated wires and cables which are used for the transmission and distribution of electrical energy for normal conditions of installation and service, either indoors, outdoors, aerial, underground, or submarine.

DevelopmentNote
Supersedes NEMA WC 3, NEMA WC 5, NEMA WC 7 & NEMA WC 8. (08/2001) Also numbered as ICEA S 95 658. (08/2005)
DocumentType
Standard
Pages
94
PublisherName
National Electrical Manufacturers Association
Status
Superseded
SupersededBy
Supersedes

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