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  • WC 7-1988

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    CROSS-LINKED-THERMOSETTING-POLYETHYLENE-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY

    Available format(s): 

    Superseded date:  01-11-2000

    Language(s): 

    Published date:  12-01-2013

    Publisher:  National Electrical Manufacturers Association

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Electrical Manufacturers Association
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    MIL-B-44037 Revision A:1986 BLENDER, POWERED MIX, MECHANICALLY REFRIGERATED
    EN 60947-1:2007/A2:2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES (IEC 60947-1:2007/A2:2014)
    MIL-B-44038 Revision A:1986 BATTER BREADER MACHINE, ELECTRIC
    IEEE C57.12.23-2009 IEEE Standard for Submersible Single-Phase Transformers: 167 kVA and Smaller; High Voltage 25 000 V and Below; Low Voltage 600 V and Below
    ANS 57.7 : 88(R1997) DESIGN CRITERIA FOR AN INDEPENDENT SPENT FUEL STORAGE INSTALLATION (WATER POOL TYPE)
    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
    IEEE 902-1998 IEEE Guide for Maintenance, Operation, and Safety of Industrial and Commercial Power Systems (Yellow Book)
    IEEE 141 : 1993 IEEE Recommended Practice for Electric Power Distribution for Industrial Plants
    IEEE 242-2001 IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (IEEE Buff Book)
    API 14F : 2008 : R2013 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
    API 540:1999 ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS
    UFC 4-150-02 : Change 5 UNIFIED FACILITIES CRITERIA - DOCKSIDE UTILITIES FOR SHIP SERVICE
    TM 5-811-1 : V19950228 ARMY TECHNICAL MANUAL - ELECTRICAL POWER SUPPLY AND DISTRIBUTION
    EN 61009-1:2012/A12:2016 RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITH INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCBOS) - PART 1: GENERAL RULES
    MIL-C-28661 Revision A:1981 CABLE, POWER, ELECTRICAL, HIGH VOLTAGE
    EN 60898-1:2003/A13:2012 ELECTRICAL ACCESSORIES - CIRCUIT BREAKERS FOR OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR INSTALLATIONS - PART 1: CIRCUIT-BREAKERS FOR A.C. OPERATION (IEC 60898-1:2002, MODIFIED)
    API 540 : 1999 : R2006 ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS
    MIL C 38359 : A CABLE, POWER, ELECTRICAL, AIRPORT LIGHTING, CROSS-LINKED, POLYETHYLENE XLP
    MIL M 29212 : B NOTICE 1 MIXING PLANT, ASPHALT, DRUM TYPE, PORTABLE, ELECTRIC MOTOR DRIVEN, 120 TONS PER HOUR CAPACITY
    EN 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)
    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
    EN 60999-1:2000 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)
    EN 60947-7-1:2009 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 7-1: ANCILLARY EQUIPMENT - TERMINAL BLOCKS FOR COPPER CONDUCTORS
    EN 60998-2-1:2004 Connecting devices for low-voltage circuits for household and similar purposes - Part 2-1: Particular requirements for connecting devices as separate entities with screw-type clamping units
    MIL C 3432 : F CABLE, [POWER AND SPECIAL PURPOSE] AND WIRE ELECTRICAL [300 AND 600 VOLTS]
    BS EN 60947-1 : 2007 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES
    BS EN 60999-1:2000 Connecting devices. Electrical copper conductors. Safety requirements for screw-type and screwless-type clamping units General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up to 35 mm2 (included)
    BS EN 60947-7-1:2009 Low-voltage switchgear and controlgear Ancillary equipment. Terminal blocks for copper conductors
    BS EN 60998-2-1:2004 Connecting devices for low-voltage circuits for household and similar purposes Particular requirements for connecting devices as separate entities with screw-type clamping units
    ASTM F 1966 : 2012 Standard Specification for Dough Divider and Rounding Machines
    CSA C22.2 No. 249 : 1996 : R2011 STANDARD TESTS FOR DETERMINING COMPATIBILITY OF CABLE-PULLING LUBRICANTS WITH WIRE AND CABLE
    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)
    IEC 60947-7-1:2009 Low-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors
    CAN/CSA-C22.2 NO. 60947-1-13 (R2018) Low-voltage switchgear and controlgear - Part 1: General rules (Tri-national standard, with UL 60947-1 and NMX-J-515-ANCE)
    EN 61008-1:2012/A12:2017 RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITHOUT INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCCBS) - PART 1: GENERAL RULES (IEC 61008-1:2010, MODIFIED)
    IEC 61008-1:2010+AMD1:2012+AMD2:2013 CSV Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) - Part1: General rules
    CSA C22.2 No. 249 : 1996 : R2015 STANDARD TESTS FOR DETERMINING COMPATIBILITY OF CABLE-PULLING LUBRICANTS WITH WIRE AND CABLE
    BS EN 60898-1 : 2003 ELECTRICAL ACCESSORIES - CIRCUIT BREAKERS FOR OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR INSTALLATIONS - PART 1: CIRCUIT-BREAKERS FOR A.C. OPERATION
    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)
    ASTM F 1966 : 2012 : R2017 : EDT 1 Standard Specification for Dough Divider and Rounding Machines
    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
    BS EN 61008-1 : 2012 RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITHOUT INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCCBS) - PART 1: GENERAL RULES (IEC 61008-1:2010, MODIFIED)
    UNE-EN 61008-1:2013 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) - Part 1: General rules
    NEMA HP 100:1991(R2010) High-Temperature Instrumentation and Control Cables
    I.S. EN 60947-1:2007 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES
    API 14F REDLINE : 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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