GB/T 4026-2025 English PDFUS$444.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 4026-2025: Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors Status: Valid GB/T 4026: Historical versions
Basic dataStandard ID: GB/T 4026-2025 (GB/T4026-2025)Description (Translated English): Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K09 Classification of International Standard: 29.020 Word Count Estimation: 22,211 Date of Issue: 2025-08-01 Date of Implementation: 2026-02-01 Older Standard (superseded by this standard): GB/T 4026-2019 Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China GB/T 4026-2025: Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT4026-2025 ICS 29.020 CCSK09 National Standard of the People's Republic of China Replaces GB/T 4026-2019 Basic and safety rules for human-machine interface marking Identification of equipment terminals, conductor ends and conductors (IEC 60445.2021, IDT) Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Identification Methods 4 5 Application of identification methods 5 6 Color identification 5 6.1 General 5 6.2 Use of monochrome 5 6.3 Use of two-color combinations 6 7 Alphanumeric symbols 7 7.1 General 7 7.2 Marking rules --- Equipment terminal marking 7 7.3 Identification of specific conductors 9 Appendix A (Informative) Color, alphanumeric and graphic symbols for conductors and terminals 11 Appendix B (Informative) List of Explanations on Special Circumstances in Certain Countries 13 Reference 17 Preface 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 replaces GB/T 4026-2019 "Basic and safety rules for marking and identifying human-machine interfaces" Compared with GB/T 4026-2019, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Added the terms and definitions of "electrical safety", "local ground", "midpoint", "neutral point", "protective terminal", "system reference conductor" and "terminal" (See Chapter 3); --- Changed the terms "grounding", "electrical equipment", "equipotential bonding", "functional grounding", "functional grounding conductor", and "functional equipotential bonding" "Line conductor", "Protective bonding conductor", "Protective conductor", "Protective earth", "Protective earth conductor", "Protective equipotential bonding", "Ungrounded Definition of “protective bonding conductor” (see Chapter 3, Chapter 3 of the.2019 edition); --- Changed the classification of terminals and conductors (see Chapter 5, Chapter 5 of the.2019 edition); --- Added terminal identification at the power point for connecting the external protective conductor (see 7.2.6); --- Added alphanumeric identification of system reference conductor (see 7.3.12). This document is equivalent to IEC 60445.2021 "Basic and safety rules for marking and identifying human-machine interfaces - equipment terminals, conductor terminals and Identification of Conductors. The following minimal editorial changes have been made to this document. --- Added Note 3 to Chapter 4 and Notes to Table A.1; --- As IEC 60227-2 is replaced by IEC 63294, the reference to IEC 60227-2 in 7.1 is adjusted to IEC 63294. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Electrical Safety Standardization Technical Committee (SAC/TC25). This document was drafted by. Beijing Institute of Electrical Engineering and Economics of the Machinery Industry, Cixi Besta Electric Tools Co., Ltd., State Grid Beijing Municipal Electric Power Company, China Electrical Equipment Industry Association, Fujian Jiayou Tea Machinery Intelligent Technology Co., Ltd., Guangdong South China Home Appliance Research Institute, Beijing China Science and Technology Aerospace Technology Co., Ltd., Xiamen Minghan Electric Co., Ltd., Guangzhou Baiyun Electric Equipment Co., Ltd., Shenzhen Jinxizhi Control Technology Co., Ltd., Suzhou Greemate Laboratory Technology Development Co., Ltd., Torch Electric Group Co., Ltd., Hubei Huazhong Electric Power Technology Development Co., Ltd., Liming Vocational University, China Three Gorges Corporation, Shenzhen Institute of Electrical Science, Dongying Hui'an Science and Technology Trade Co., Ltd., Shenzhen Huayi Boutique Technology Co., Ltd. The main drafters of this document are. Ma Hong, Yu Shaokuan, Li Tianwei, Chen Jiayou, Lai Jing, Li Xinyu, Han Ren, Cui Peng, Cai Ganzhao, Jin Chunzhou, Chen Hao, Zhang Huixian, Li Gang, Wang Lin, Yuan Jie, Cheng Yongqiang, Xiao Minying, Zhou Suqin, Zhang Yi, Wu Haifei, and Ye Tao. The previous versions of this document and the documents it replaces are as follows. ---First issued as GB/T 4026-1992 in.1992, first revised in.2004, second revised in.2010; ---In the third revision in.2019, GB/T 7947-2010 "Guide to basic and safety rules for signs and identification of human-machine interfaces" was incorporated. Color or alphanumeric marking" (the previous versions of GB/T 7947-2010 are. GB 7947-1987, GB 7947-1997, GB 7947-2006); ---This is the fourth revision. Basic and safety rules for human-machine interface marking Identification of equipment terminals, conductor ends and conductors 1 Scope This document applies to combinations of equipment such as resistors, fuses, relays, contactors, transformers, rotating equipment and similar equipment (e.g. complete sets of equipment). This document establishes the marking and labeling of terminals of electrical equipment (including terminals of electrical equipment). It is also applicable to the marking of certain specific conductor terminals. These conductor colors and alphanumeric symbols apply to conductors in accordance with general rules to avoid confusion and ensure safe operation. For core wires, busbars and electrical equipment as well as cables or devices. This document mainly proposes basic safety requirements and is mainly used by technical committees in accordance with IEC Guide 104 and ISO /IEC Guide 51. The principles are used when formulating standards. This document is not intended for use by manufacturers or certification bodies. One of the responsibilities of the technical committee is to refer to the basic Unless specifically mentioned or included, the contents of this document do not apply. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. Note. GB/T 5465.1-2009 Graphical symbols for electrical equipment Part 1.Overview and classification (IEC 60417 database..2007-01, MOD) GB/T 5465.2-2023 Graphical symbols for electrical equipment Part 2.Graphical symbols (IEC 60417 database. 2023-03, IDT) Note. GB/T 4728 (all parts) Graphical symbols for electrical schematics (IEC 60617 database) 3 Terms and Definitions The following terms and definitions apply to this document. The URLs for terminology databases used for standardization maintained by ISO and IEC are as follows. 3.1 earthing; grounding (US) An electrical connection between a conductive part and local ground. [Source. GB/T 2900.73-2025, 195-01-24] 3.2 A protective bonding conductor that has a conductive path to earth. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 4026-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 4026-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 4026-2025_English with my colleagues?Answer: Yes. 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