WC 3-1992

Superseded

View Superseded by

RUBBER-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY

Superseded date

11-01-2000

Published date

01-12-2013

Publisher

National Electrical Manufacturers Association

Foreword
PART 1 - GENERAL
  Scope
  General Information
  Information to Be Supplied to Purchaser
PART 2 - CONDUCTORS
  Wires, Physical and Electrical Properties
  Solid Conductors
  Stranded Conductors
  Conductor Size Units
  Conductor DC Resistance per Unit Length
  Conductor Diameter
  Stress Control Layer
PART 3 - INSULATION
  Material
  Insulation Thicknesses
  Additional Insulation Thickness for non-sheathed
    Submarine Cables
  Series Lighting Circuits
  Repairs
  Insulation Grades and Requirements
  Synthetic Rubber, Moisture Resisting, 60 deg C
  Natural Rubber, 60 deg C
  Synthetic Rubber, 75 deg C
  Synthetic Rubber, Heat Resisting, 75 deg C or Moisture
    Resisting 60 deg C
  Natural Rubber 75 deg C
  Synthetic Rubber, Heat and Moisture Resisting, 75 deg C
  Ozone-resisting Natural or Synthetic Rubber
  Ozone-resisting Butyl Rubber
  Synthetic Rubber, 90 deg C
  Ozone-resisting Silicone Rubber
  Chlorosulfonated Polyethylene
PART 4 - SHIELDING AND COVERINGS
  Shielding
  Tapes, Braids, Wraps, and Servings
  Jackets
PART 5 - ASSEMBLY, FILLERS, BINDERS, AND CONDUCTOR
         IDENTIFICATION
  Assembly of Multiple-conductor Cables
  Multiple-conductor Round Cables
  Flat Twin Cables
  Fillers
  Binder
  Conductor Identification
PART 6 - TESTING AND TEST METHODS
  Testing
  Tests on Samples
  Conductor Test Methods
  Test Samples and Specimens for Physical and Aging Tests
  Short-time Dielectric Strength Test on Insulation
    Conductors
  Cold Bending and Long-time Dielectric Strength Test
  Capacity and Power Factor Tests
  Ozone Resisting Tests
  Accelerated Water Absorption Tests
  Thickness of Tapes
  Measurements of Braids
  Determination of Yarn Size of Wraps
  Braided Cables for Indoor Installations
  Saturant for Fibrous Covering for Aerial Cables
  Braided Cables for Outdoor Installations
  Saturant for Fibrous Covering for Aerial Cables
  Braided Cables for Outdoor Installations
  Fibrous or Composite Jackets
  Thickness of Metallic Sheaths
  Thickness of Jute Beddings and Servings
  Tests for Thermoplastic Jackets
  Tests for Discharge-resisting Jackets
  Volume Resistivity
  Stripping Test
  Retests for Tests on Samples (Except Physical and Aging
    Tests)
  Voltage Tests
  Insulation Resistance
  Partial Discharge Test Procedure
  Method for Flexibility Test for Continuously Corrugated
    Armor
  Method for Determining Permittivity (SIC) and Dielectric
    Strength of Exuded Nonconducting Polymeric Stress
    Control Layers
PART 7 - CONSTRUCTIONS OF SPECIFIC TYPES
  Mine Power Cables
  Preassembled Aerial Cables
  Portable Arc-welding Cables
  Control Cables
  Primary Underground Residential Distribution Cables -
    Butyl Rubber Insulated
  Metal-clad Cables with Grounding Conductor
  Nonshielded Single-conductor Power Cable
PART 8 - APPENDICES
  Abbreviations and Symbols
  Representative Tensile Strength and Elongation of Non-
    magnetic Metals
  Definitions for Maximum Temperature of Conductors in
    Insulated Wire and Cable
  Emergency Overload Ratings for Rubber-Insulated Cables
  Referenced ICEA Publications and ASTM Standards
  Shielding
  Recommended Bending Radii for Cables
  Ampacities for Three-conductor Mine Power Cables 2001
    to 15000 Volts copper and Aluminium
  Conductor Identification for Control Cables
  Additional Conductor Information
  Ampacities for Preassembled Aerial Cables

These standards apply to materials, constructions and testing of 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, aerial, underground, or submarine.

DocumentType	Standard
PublisherName	National Electrical Manufacturers Association
Status	Superseded
SupersededBy	NEMA WC 70 : 2009 ANSI/NEMA WC 71/ICEA S-96-659:2014 NEMA WC 74 : 2012

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IEEE 241 : 1990	ELECTRIC POWER SYSTEMS IN COMMERCIAL BUILDINGS
IEEE DRAFT 404 : D13 2006	EXTRUDED AND LAMINATED DIELECTRIC SHIELDED CABLE JOINTS RATED 2500 V - 500 000 V
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API 14F:2008	DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
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BS EN 60947-1 : 2007	LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES
BS EN 60947-7-1:2009	Low-voltage switchgear and controlgear Ancillary equipment. Terminal blocks for copper conductors
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IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV	Low-voltage switchgear and controlgear - Part 1: General rules
IEC 60999-1:1999	Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up to 35 mm2 (included)
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BS EN 61009-1 : 2012	RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITH INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCBOS) - PART 1: GENERAL RULES
IEC 60999-2:2003	Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 2: Particular requirements for clamping units for conductors above 35 mm2 up to 300 mm2 (included)
BS EN 60998-2-3:2004	Connecting devices for low-voltage circuits for household and similar purposes Particular requirements for connecting devices as separate entities with insulation-piercing clamping units
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I.S. EN 60947-1:2007	LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES

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