NEMA WC 70 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
POWER CABLES RATED 2000 VOLTS OR LESS FOR THE DISTRIBUTION OF ELECTRICAL ENERGY
Hardcopy , PDF
28-08-2021
English
06-12-2012
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 |
NFPA 130 : 2017 | FIXED GUIDEWAY TRANSIT AND PASSENGER RAIL SYSTEMS |
API 14FZ : 2013 | RECOMMENDED PRACTICE FOR DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, ZONE 0, ZONE 1, AND ZONE 2 LOCATIONS |
MIL-DTL-28781 Revision E:2011 | CABLE, ELECTRICAL, SPECIAL PURPOSE SHORE USE |
IEEE DRAFT 525 : D15 2006 | DESIGN AND INSTALLATION OF CABLE SYSTEMS IN SUBSTATIONS |
API SPEC 17E : 2017 | SPECIFICATION FOR SUBSEA UMBILICALS |
IEEE C37.20.2-2015 | IEEE Standard for Metal-Clad Switchgear |
MIL-DTL-5898 Revision H:2012 | CORDS, ELECTRICAL (WF-5/U, WF-14/U, WD-34/U, WM-53/U, WM-85/U) |
IEEE 532-2007 REDLINE | IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables |
IEEE 525-2007 | IEEE Guide for the Design and Installation of Cable Systems in Substations |
ANSI/NEMA WC 51/ICEA P-54-440:2009(R2014) | Ampacities of Cables Installed in Cable Trays |
IEEE C37.21-2005 | IEEE Standard for Control Switchboards |
IEEE C37.23-2003 | IEEE Standard for Metal-Enclosed Bus |
IEEE 3001.5-2013 | IEEE Recommended Practice for the Application of Power Distribution Apparatus in Industrial and Commercial Power Systems |
IEEE 1242-1999 | IEEE Guide for Specifying and Selecting Power, Control, and Special-Purpose Cable for Petroleum and Chemical Plants |
NASA KSC SPEC E 0031 : 2008 | CABLES, ELECTRICAL, SPECIFICATION FOR |
NASA SSTD 8070 0096 : 2010 | CONTROLS AND INSTRUMENTATION CABLE TESTING |
IEEE C37.20.3-2013 REDLINE | IEEE Standard for Metal-Enclosed Interrupter Switchgear (1 kV-38 kV) |
IEEE 1185-2010 | IEEE Recommended Practice for Cable Installation in Generating Stations and Industrial Facilities |
IEEE C37.20.1-2015 | IEEE Standard for Metal-Enclosed Low-Voltage (1000 Vac and below, 3200 Vdc and below) Power Circuit Breaker Switchgear |
NEMA WC 74 : 2012 | 5-46 KV SHIELDED POWER CABLE FOR USE IN THE TRANSMISSION AND DISTRIBUTION OF ELECTRIC ENERGY |
NEMA WC 53 : 2016 | STANDARD TEST METHODS FOR EXTRUDED DIELECTRIC POWER, CONTROL, INSTRUMENTATION, AND PORTABLE CABLES FOR TEST |
NEMA WC 57 : 2014 | CONTROL, THERMOCOUPLE EXTENSION, AND INSTRUMENTATION CABLES |
ANSI/NEMA WC 54/ICEA T-26-465:2013 | Guide for Frequency of Sampling Extruded Dielectric Power, Control, Instrumentation and Portable Cables for Test |
ANSI/NEMA WC 71/ICEA S-96-659:2014 | Standard for Nonshielded Cables Rated 2001-5000 V for Use in the Distribution of Electric Energy |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.