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GB/T 25085.6-2026: Road vehicles - Automotive cables - Part 6: Dimensions and requirements for 600 V a. c. or 900 V d. c. and 1 000 V a. c. or 1 500 V d. c. single core aluminum conductor cables
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Road vehicles - Automotive cables - Part 6: Dimensions and requirements for 600 V a. c. or 900 V d. c. and 1 000 V a. c. or 1 500 V d. c. single core aluminum conductor cables
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Basic data | Standard ID | GB/T 25085.6-2026 (GB/T25085.6-2026) | | Description (Translated English) | Road vehicles - Automotive cables - Part 6: Dimensions and requirements for 600 V a. c. or 900 V d. c. and 1 000 V a. c. or 1 500 V d. c. single core aluminum conductor cables | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | T36 | | Classification of International Standard | 43.040.10 | | Word Count Estimation | 26,244 | | Date of Issue | 2026-02-27 | | Date of Implementation | 2026-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 25085.6-2026: Road vehicles - Automotive cables - Part 6: Dimensions and requirements for 600 V a. c. or 900 V d. c. and 1 000 V a. c. or 1 500 V d. c. single core aluminum conductor cables
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ICS 43.040.10
CCST36
National Standards of the People's Republic of China
Road vehicle automotive cables
Part 6.AC 600V or DC 900V and
1000V AC or 1500V DC single-core aluminum
Conductor cable dimensions and requirements
conductorcables
(ISO 19642-6.2019, IDT)
Released on February 27, 2026; to be implemented on September 1, 2026.
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface III
Introduction IV
1.Scope 1
2 Normative References 1
3.Terms and Definitions 2
4 General Requirements 2
4.1 General Test Conditions 2
4.2 Safety Precautions 2
4.3 Voltage Range 2
4.4 Temperature Rating 2
4.5 Conductor Materials 2
4.6 Conductor 3
4.7 Insulation thickness 3
4.8 Cable outer diameter 3
4.9 Representative conductor specifications for the test 3
4.10 Test items and requirements according to GB/T 25085.2-2024 4
5 Technical Requirements
5.1 General Requirements 5
5.2 Dimensional Inspection 5
5.3 Electrical performance test 6
5.4 Mechanical property test 7
5.5 Environmental Testing 9
Appendix A (Informative) Conductor Specifications, Number of Wires, and Wire Diameter 13
A.1 Conductor --- Existing stranded structure 13
A.2 Conductor --- Stranded structure recommended 14
Appendix B (Informative) Wire Harness and Cable Colors 15
Appendix NA (Informative) Product Model List 16
Reference 18
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document is Part 6 of GB/T 25085 "Road Vehicle Cables". GB/T 25085 has the following parts published.
---Part 1.Terminology and Design Guidelines;
---Part 2.Test Methods;
---Part 3.Dimensions and Requirements for Single-Core Copper Conductor Cables of 30V AC or 60V DC;
---Part 4.Dimensions and Requirements for Single-Core Aluminum Conductor Cables of 30V AC or 60V DC;
---Part 5.Dimensions and Specifications of Single-Core Copper Conductor Cables for AC 600V or DC 900V and AC 1000V or DC 1500V
Require;
---Part 6.Dimensions and Specifications of Single-Core Aluminum Conductor Cables for AC 600V or DC 900V and AC 1000V or DC 1500V
Require;
---Part 7.Dimensions and Specifications of 30V AC or 60V DC Round, Sheathed, Shielded or Unshielded, Multi-core or Single-core Copper Conductor Cables
Require;
---Part 8.Dimensions and Specifications of 30V AC or 60V DC Round, Sheathed, Shielded or Unshielded, Multi-core or Single-core Aluminum Conductor Cables
Require;
---Part 9.AC 600V or DC 900V and AC 1000V or DC 1500V round, sheathed, shielded or unshielded
Dimensions and requirements for shielded, multi-core, or single-core copper conductor cables;
---Part 10.Circular, Sheathed, Shielded or Unshielded Types of AC 600V or DC 900V and AC 1000V or DC 1500V
Size and requirements for shielded, multi-core or single-core aluminum conductor cables.
This document is equivalent to ISO 19642-6.2019 "Road vehicles - Automotive cables - Part 6.AC 600V or DC 900V and..."
Dimensions and requirements for AC 1000V or DC 1500V single-core aluminum conductor cables.
The following minimal editorial changes have been made to this document.
---Move the informative reference EN1715-2 from Chapter 2 to the References section;
---Based on the specific clauses cited in the text, ISO 19642-2 should be changed to include the date (see 4.1, 4.10, 5.1, 5.3.2 and...).
5.5.1);
---The order of the table footnotes has been changed (see Table 2, Table 11, and Table A.2);
---Appendix NA (Informative) "List of Product Models" has been added to facilitate the use of this document.
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This document is under the jurisdiction of the National Automotive Standardization Technical Committee (SAC/TC114).
This document was drafted by. Shanghai Fuxin Cable Co., Ltd., China National Accreditation Service for Conformity Assessment (CNAS), and Changsha Automotive Electrical Testing Center.
Limited Liability Company, Great Wall Motor Company Limited, Chongqing Changan Automobile Co., Ltd., Guangzhou Automobile Group Co., Ltd., China
FAW Group Corporation, Geely Automobile Research Institute (Ningbo) Co., Ltd., SAIC Motor Corporation Limited, BYD Automotive Industry Co., Ltd.
Zhejiang Jike Automotive Research and Development Co., Ltd., Shanghai Li Auto Technology Co., Ltd., Tianjin Fuxin Automotive Cable Co., Ltd.
company.
The main drafters of this document are. Wang Yadong, Huo Tianyu, Li Qingsen, Liu Siting, Wang Cong, Chen Lingling, Xia Sanbao, Geng Weifeng, Ding Zubin, and Jiao Dongpo.
Li Zigan, Zeng Huahua, Zhai Huidong, Wu Chunfen, Shen Zhimin, Chen Lingfeng, Liu Changhe.
Introduction
Automotive cables are an indispensable part of the electrical systems of road vehicles, undertaking the vital task of transmitting electrical energy, signals, and data.
The quality of automotive cables used in road vehicles directly affects the performance and safety of these vehicles. To ensure the quality of automotive cables used in road vehicles...
In terms of quantity, my country needs to establish a complete standard system for automotive cables used in road vehicles.
GB/T 25085 "Road Vehicle Cables" is proposed to consist of 12 parts.
---Part 1.Terminology and Design Guidelines. The purpose is to provide terminology and design guidelines related to automotive cables for road vehicles.
Other parts of GB/T 25085.
---Part 2.Test Methods. This section describes the test methods for automotive cables used in road vehicles, including tests for single-core cables.
Test methods for cables including sheaths and/or multi-core cables, as well as low-voltage and high-voltage cables and radio frequency data cables.
Experimental methods.
---Part 3.Dimensions and requirements for single-core copper conductor cables of 30V AC or 60V DC. The purpose is to specify the dimensions and requirements for cables used in road vehicles.
Performance requirements for low-voltage, single-core copper conductor automotive cables.
---Part 4.Dimensions and Requirements for 30V AC or 60V DC Single-Core Aluminum Conductor Cables. The purpose is to specify the dimensions and requirements for cables used in road vehicles.
Performance requirements for low-voltage, single-core aluminum conductor automotive cables.
---Part 5.Dimensions and Specifications of Single-Core Copper Conductor Cables for AC 600V or DC 900V and AC 1000V or DC 1500V
Requirements. The purpose is to specify the performance requirements for high-voltage, single-core copper conductor automotive cables used in road vehicles and electric vehicles.
---Part 6.Dimensions and Specifications of Single-Core Aluminum Conductor Cables for AC 600V or DC 900V and AC 1000V or DC 1500V
Requirements. The purpose is to specify the performance requirements for high-voltage, single-core aluminum conductor automotive cables used in road vehicles and electric vehicles.
---Part 7.Dimensions and Specifications of 30V AC or 60V DC Round, Sheathed, Shielded or Unshielded, Multi-core or Single-core Copper Conductor Cables
Requirements. The purpose is to specify the requirements for low-voltage, round, sheathed, shielded or unshielded, multi-core or single-core copper conductor automotive electrical components used in road vehicles.
Cable performance requirements.
---Part 8.Dimensions and Specifications of 30V AC or 60V DC Round, Sheathed, Shielded or Unshielded, Multi-core or Single-core Aluminum Conductor Cables
Requirements. The purpose is to specify the requirements for low-voltage, round, sheathed, shielded or unshielded, multi-core or single-core aluminum conductor automotive electrical components used in road vehicles.
Cable performance requirements.
---Part 9.AC 600V or DC 900V and AC 1000V or DC 1500V round, sheathed, shielded or unshielded
Dimensions and requirements for shielded, multi-core, or single-core copper conductor cables. The purpose is to specify the dimensions and requirements for high-voltage, round, shielded cables used in road vehicles and electric vehicles.
Performance requirements for sheathed, shielded or unshielded, multi-core or single-core copper conductor automotive cables.
---Part 10.Circular, Sheathed, Shielded or Unshielded Types of AC 600V or DC 900V and AC 1000V or DC 1500V
Dimensions and requirements for shielded, multi-core, or single-core aluminum conductor cables. The purpose is to specify the dimensions and requirements for high-voltage, round, [unclear] cables used in road vehicles and electric vehicles.
Performance requirements for sheathed, shielded or unshielded, multi-core or single-core aluminum conductor automotive cables.
---Part 11.Dimensions and requirements for coaxial RF cables with specific analog bandwidths up to 6 GHz (20 GHz). The purpose is to regulate...
Define the performance requirements for coaxial radio frequency automotive cables used in intelligent connected vehicles.
---Part 12.Dimensions and requirements for unshielded twisted-pair RF cables with specific analog bandwidths up to 1 GHz. The purpose is to specify...
Performance requirements for unshielded twisted-pair radio frequency automotive cables used in intelligent connected vehicles.
Road vehicle automotive cables
Part 6.AC 600V or DC 900V and
1000V AC or 1500V DC single-core aluminum
Conductor cable dimensions and requirements
Warning. Use of this document may involve hazardous materials, operations, and equipment. This document is not intended to address any potential hazards associated with its use.
All safety issues are addressed in this document. Users are responsible for developing appropriate safety procedures and determining the applicability of regulatory restrictions before use.
1 Scope
This document specifies that single-unit systems with a nominal system voltage not exceeding 600V AC or 900V DC and 1000V AC or 1500V DC are allowed.
Dimensions and requirements for aluminum conductor cables.
This document applies to single-core cables for general-purpose road vehicles, and also to the cores in multi-core cables.
Note. A list of commonly used cable product models mentioned in this document can be found in Appendix NA.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 25085.2-2024 Road vehicles - Automotive cables - Part 2.Test methods (ISO 19642-2.2023, IDT)
Note. There are no technical differences between the content referenced in ISO 19642-2.2023 and the content referenced in ISO 19642-2.2019.
ISO 6892-1 Metallic materials—Tension testing—Part 1.Tests at room temperature
Note. GB/T 228.1-2021 Metallic materials—Tension testing—Part 1.Test at room temperature (ISO 6892-1.2019, MOD)
ISO 19642-1 Road vehicles - Automotive cables - Part 1.Terminology and design guidelines (Roadvehicles-Automotiveca-)
Note. GB/T 25085.1-2024 Road Vehicles - Automotive Cables - Part 1.Terminology and Design Guidelines (ISO 19642-1.2023, IDT)
EN573-1 Chemical composition and form of forged aluminum and aluminum alloy products - Part 1.Digital identification system (Aluminium and...)
tionsystem)
EN573-3.2013 Chemical composition and form of forged products of aluminum and aluminum alloys – Part 3.Chemical composition and form of products
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