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GB/T 42394-2023: Cable cleats for electrical installations
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| GB/T 42394-2023 | English | 639 |
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Cable cleats for electrical installations
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GB/T 42394-2023
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Basic data | Standard ID | GB/T 42394-2023 (GB/T42394-2023) | | Description (Translated English) | Cable cleats for electrical installations | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K65 | | Classification of International Standard | 29.120.10 | | Word Count Estimation | 33,377 | | Date of Issue | 2023-03-17 | | Date of Implementation | 2023-10-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42394-2023: Cable cleats for electrical installations---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS29:120:10
CCSK65
National Standards of People's Republic of China
Cable clamps for electrical installations
(IEC 61914:2021, MOD)
Released on 2023-03-17
2023-10-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms, Definitions and Abbreviations 2
4 General requirements 4
5 General conditions of the test 4
6 categories 5
7 Signs and documents 8
8 structure 9
9 mechanical properties 9
10 Fire Hazard 17
11 Environmental impact18
12 Electromagnetic Compatibility 20
Appendix A (Informative) Examples of Cable Clamps and Intermediate Fixing Clamps 21
Appendix B (informative) Calculation of force caused by short-circuit current 24
Appendix C (Normative) Identification of MV or HV cables used in short-circuit tests 27
Reference 28
Figure 1 Test piston size 8
Figure 2 Typical setup for impact testing10
Figure 3 Typical setup for lateral load test of cable clamps12
Figure 4 Typical setup for lateral load test of intermediate fixture13
Figure 5 Typical setup for axial load test 14
Figure 6 Typical device for electromechanical resistance test 15
Figure 7 Typical installation with three cables arranged in a triangle15
Figure 8 Typical installation with three cables arranged in a plane 16
Figure 9 Typical setup for needle flame test 18
Figure A:1 Metal tape cable clamps for single or bundled cables 21
Figure A:2 Metal single bolt cable clamp for a single cable 21
Figure A:3 Metal two-bolt cable clamp for a single cable 21
Figure A:4 Composite cable clamp for three cables in a trefoil configuration 21
Figure A:5 Non-metallic cable clamps for single cables 22
Figure A:6 Metallic cable clamps for single cables with integral mounting studs 22
Figure A:7 Non-metallic cable clamp for three flat cables 22
Figure A:8 Metal cable clamps for channel cable support systems 22
Figure A:9 Non-metallic cable clamp for three cables of trefoil structure 23
Figure A:10 Non-metallic cable clamps with integral step clamps for trefoil cables 23
Figure A:11 Metal intermediate fixing clamp for three flat cables 23
Figure A:12 Composite intermediate fixing clamp for bundled cables 23
Figure B:1 Short-circuit current away from generator with constant ac component 24
Figure B:2 Short-circuit current near generator with decaying AC component 25
Figure B:3 Two parallel conductors 26
Table 1 Maximum temperature for permanent use5
Table 2 Minimum temperature for permanent use5
Table 3 Corrosion resistance classification of stainless steel parts7
Table 4 Corrosion resistance classification of coated mild steel or cast iron parts7
Table 5 Impact test value 11
Table 6 Component compliance and corrosion resistance classification19
Table 7 Zinc layer thickness of reference material 20
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
This document is modified to adopt IEC 61914:2021 "Cable Clamps for Electrical Installations":
The technical differences between this document and IEC 61914:2021 and their reasons are as follows:
--- Replace IEC 60060-1:2010 with the normative referenced GB/T 16927:1-2011 (see 9:5:3), one between the two documents
The degree of consistency is revised to adapt to the technical conditions of our country:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Electrical Equipment Industry Association:
This document is under the jurisdiction of the National Electrical Accessories Standardization Technical Committee (SAC/TC67):
This document is drafted by: Guangdong South China Home Appliances Research Institute, Weikai Testing Technology Co:, Ltd:, Shenzhen Huayitong Industrial Electric Co:, Ltd:,
Jiangsu Tongling Technology Co:, Ltd:, Xiamen Rituo Electric Technology Co:, Ltd:, China Electrical Apparatus Research Institute Co:, Ltd:, Bull Group
Co:, Ltd:, China National Accreditation Center for Conformity Assessment, Zhongshan Lion Heart Electric Co:, Ltd:, Zhejiang Best Electric Co:, Ltd:, Zhejiang Yuehua
Telecommunications Co:, Ltd:, Yanggu New Pacific Cable Co:, Ltd:, Ningbo Xingxing Standard Technology Co:, Ltd:, State Grid Heilongjiang Electric Power Co:, Ltd:
Electric Power Research Institute, Guangdong Manya Technology Co:, Ltd:, Shandong Rihui Cable Group Co:, Ltd:, Yiwu Kangshuo Plastic Products Co:, Ltd:
Division, Guangzhou Hancheng Testing Technology Service Co:, Ltd:, Guangdong Orange Apricot Testing Co:, Ltd:, Xi'an Libeian Intelligent Technology Co:, Ltd:, Shandong Yanggu
Haohui Cable Co:, Ltd:, Guangdong Zhenyu Technology Co:, Ltd:, Ningbo Runzhou Technology Co:, Ltd:, Xi'an Xinlinda Digital Technology Co:, Ltd:
The main drafters of this document: Lai Jing, Sun Ting, Sun Yan, Luo Yangjun, Jing Yixin, Chen Bin, Ni Liaoyong, Cai Jun, Cai Yingfeng, Zhang Jilan, Wang Zhesi,
Wang Sheng, Wang Yijun, Chen Jia, Wang Lei, Su Shiqiao, Liu Feng, Zheng Fei, Wu Guoping, Liu Xufang, Liu Songlin, Zhang Daoyong, Xiao Benchong, Li Jie, Wu Finance,
Yan Hua:
Cable clamps for electrical installations
1 Scope
This document specifies cable clamps for fixing cables in electrical installations and intermediate fixings for fastening cables together in electrical installations
Fixture requirements and test methods: Where declared, the cable clamp can withstand electric forces: This document applies to the safety
Cable clamps for axial and/or lateral retention of cables on the mounting surface:
Appendix A shows various types of cable clamps and intermediate fixing clamps:
Note: The requirements for manufacturers in this document also apply to relevant importers and responsible suppliers:
This document does not apply to cable ties:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 16927:1-2011 High Voltage Test Technology Part 1: General Definitions and Test Requirements (IEC 60060-1:2010,
MOD)
ISO 1461 Technical requirements and test methods for hot-dip galvanized coatings on steel parts with metallic coatings (Hotdipgalvanized
Note: GB/T 13912-2020 Technical requirements and test methods for hot-dip galvanized coatings on steel parts with metal coatings (ISO 1461:2009, MOD)
Note: GB/T 9799-2011 Metals and other inorganic coatings treated zinc electroplating coatings on steel (ISO 2081:2008, IDT)
ISO 3575 Commercial grade and drawing grade continuous hot-dip galvanized and zinc-iron alloy coated carbon steel sheet (Continuousshot-dipzinc-coated
ISO 4287 Geometric product specification (GPS) surface structure: profilometry terms, definitions and surface structure parameters
Note: GB/T 3505-2009 Product Geometric Specifications (GPS) Surface Structure Profile Method Terms, Definitions and Surface Structure Parameters (ISO 4287:
1997, IDT)
ISO 4892-2 Laboratory light source exposure test method for plastics Part 2: Xenon arc lamp (Plastics-Methodsofexposure
Note: GB/T 16422:2-2022 Plastic Laboratory Light Source Exposure Test Method Part 2: Xenon Arc Lamp (ISO 4892-2:2013, IDT)
ISO 4998 Continuous hot-dip galvanized and zinc-iron alloy coated carbon steel sheets of structural quality (Continuousshot-dipzinc-coatedand
tests)
Note: GB/T 10125-2021 Artificial atmosphere corrosion test salt spray test (ISO 9227:2017, MOD)
ISO 14713-1 Guidelines and recommendations for corrosion protection of steel structures with zinc cladding - Part 1: Basic principles of design and corrosion protection
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