WC 7-1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
11-01-2000
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
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