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WC 7-1988

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

CROSS-LINKED-THERMOSETTING-POLYETHYLENE-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY
Superseded date

11-01-2000

Published date

01-12-2013

Foreword
1. GENERAL
    Scope
    General Information
    Information to be Supplied by the Purchaser
2. CONDUCTORS
    Wires, Physical and Electrical Properties
    Solid Conductors
    Stranded Conductors
    Conductor Size Units
    Conductor DC Resistance Per Unit of Length
    Conductor Diameter
    Stress Control Layer
3. INSULATION
    Material
    Insulation Thickness
    Insulation Thickness for Submarine Cables
    Repairs
    Insulation Classes and Requirements
    Insulation for Cables Rated 0 through 2000 Volts
    Insulation For Cables Rated 2001 Volts and Above
4. SHIELDING AND COVERINGS
    SHIELDING
    Shielding of Insulated Cable
    Shielding Limits for Power Cable for Fixed Locations
    JACKETS
    General
    Thermoplastic Jackets
    Metallic and Associated Coverings
5. ASSEMBLY, FILLERS, AND CONDUCTOR IDENTIFICATION
    Assembly of Multiple-Conductor Cables
    Multiple-Conductor Round Cables
    Flat Twin Cables
    Fillers
    Conductor Identification
6. TESTING AND TEST METHODS
    Testing
    Tests on Samples
    Conductor Test Methods
    Test Samples and Specimens for Physical and Aging Test
    Capacity and Power Factor Tests
    Accelerated Water Absorption Tests
    Thickness of Tapes
    Thickness of Metallic Sheaths
    Thickness of Jute Beddings and Servings
    Tests for Thermoplastic Jackets
    Tests for Discharge Resistance
    Volume Resistivity
    Retests for Tests on Samples
    Tear Test
    ELECTRICAL TESTS ON COMPLETED CABLES
    Voltage Tests
    Insulation Resistance
    Partial Discharge Test Procedure
    Method for Flexibility Test for Continuously Corrugated
      Armor
    Method for Determining Permittivity (S.I.C.) and
      Dielectric Strength of Extruded Nonconducting
      Polymeric Stress Control Layers
7. CONSTRUCTIONS OF SPECIFIC TYPES
    Concentric-Neutral Underground Distribution Cables
    Neutral-Supported Secondary and Service Drop Cables
    Mine Power Cables
    Portable Single- and Multiple-Conductor Power Cables
    Scope
    GENERAL DESCRIPTION OF COMPLETED CABLE
    Nonshielded Single-Conductor Power Cable
    Nonshielded Single-Conductor Cable for Series-Lighting
      Circuits
    Control Cables
    Metal-Clad Cables with Ground Conductor
8. APPENDICES
A. ABBREVIATIONS AND SYMBOLS
B. Representative Tensile Strength and Elongation of
    Nonmagnetic Metals
C. Definitions for Maximum Temperature of Conductors
    in Insulated Wire and Cable
    Maximum Conductor Temperature-Operating
    Maximum Conductor Temperature-Emergency Overload
    Maximum Conductor Temperature-Short Circuit
D. EMERGENCY OVERLOADS
E. NEMA, ICEA, AND ASTM STANDARDS
    NEMA Publications
    ICEA Publications
    ASTM Standards
F. AMPACITIES FOR TWO-CONDUCTOR CONCENTRIC-NEUTRAL
    SINGLE-PHASE PRIMARY UNDERGROUND RESIDENTIAL
    DISTRIBUTION CABLES
F.1 AMPACITIES FOR THREE-PHASE UNDERGROUND DISTRIBUTION
    CABLES
G. SHIELDING
    Definition of Shielding
    Functions of Shielding
    Use of Insulation Shielding
    Grounding of the Insulation Shield
    Shield Materials
    Splices and Terminations
H. RECOMMENDED BENDING RADII FOR CABLES
    Scope
    Power Cables Without Metallic Shielding or Armor
    Power Cables With Metallic Shielding or Armor
    Portable Cables
    Drum Diameter of Reels
I. AMPACITIES FOR THREE-CONDUCTOR MINE POWER CABLES
J. AMPACITIES AND VOLTAGE RATINGS OF PORTABLE CABLES
    Ampacities (Current-Carrying Ampacity in Amperes)
    Voltage Ratings
K. CONDUCTOR IDENTIFICATION FOR CONTROL CABLES
    Scope
    National Electrical Code Applications
    Methods of Conductor Identification
L. ADDITIONAL CONDUCTOR INFORMATION

These standards apply to materials, constructions, and testing of cross-linked thermosetting polyethylene-insulated wires and cables that 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

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