更新时间：2020-09-25 15:26:32
封面
版权信息
Announcement of Ministry of Construction of the People's Republic of China
Foreword
1 General
2 Terms and Definitions
3 Selection of Cable Type and Cross-section
3.1 Material of Cable Conductor
3.2 Number of Power Cable Cores
3.3 Cable Insulation Level
3.4 Type of Cable Insulation
3.5 Type of External Sheath of Cable
3.6 Control Cable and Metal Shielding
3.7 Cross-section of Power Cables
4 Selection and Configuration of Cable Accessories
4.1 General Provisions
4.2 Oil Supply Systems of Self-contained Oil-filled Cables
5 Cable Laying
5.1 General Provisions
5.2 Selection of Laying Mode
5.3 Underground Direct Burying
5.4 Laying of Protection Conduits
5.5 Cable Structures Laying
5.6 Cable Laying in Other Utilities
5.7 Underwater Cable Laying
6 Cable Supports and Fixings
6.1 General Provisions
6.2 Cable Supports and Trays
7 Fire Protection and Retardation of Cables
Appendix A Maximum Allowable Temperature of Common Power Cable Conductor
Appendix B Section Selection Methods for Economic Current of Power Cable Rated 10kV and below
Appendix C Allowable 100% Continuous Ampacity of Common Power Cables Rated 10kV and below
Appendix D Correction Factors of Allowable Continuous Ampacity of Cables Under Different Laying Conditions
Appendix E Methods for Calculation of Allowable Minimum Cross-section of Cable Conductor Based on the Short-circuit Thermal Stability Conditions
E.1 Allowable Minimum Cross-section of Conductors of Solid Insulated Cables
E.2 Allowable Minimum Cross-section of Conductors for Self-contained Oil-filled Cables
Appendix F Calculation Formula of Normal Induced Potential of Metallic Layer of Single-core Cables of AC System
Appendix G Additional Length of Cables Rated 5kV and Below During Laying Measurement
Appendix H Calculation Methods for Maximum Allowable Length of Conduits in case of Penetrating Cables through Conduits
Explanation of Wording in This Code
