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GB/T 16895.3-2024 English PDF

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GB/T 16895.3-2024: Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors
Status: Valid

GB/T 16895.3: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 16895.3-2024English754 Add to Cart 6 days [Need to translate] Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors Valid GB/T 16895.3-2024
GB/T 16895.3-2017English380 Add to Cart 0--9 seconds. Auto-delivery Low-voltage electrical installations -- Part 5-54: Selection and erection of electrical equipment -- Earthing arrangements and protective conductors Valid GB/T 16895.3-2017
GB 16895.3-2004English639 Add to Cart 3 days [Need to translate] [GB/T 16895.3-2004] Electrical installations of buildings -- Part 5-54: Selection and erection of electrical equipment -- Earthing arrangements, protective conductors and protective bonding conductors Obsolete GB 16895.3-2004
GB 16895.3-1997English479 Add to Cart 3 days [Need to translate] Electrical installations of buildings--Part 5: Selection and erection of electrical equipment chapter54: Earthing arrangements and protective conductors Obsolete GB 16895.3-1997

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Basic data

Standard ID GB/T 16895.3-2024 (GB/T16895.3-2024)
Description (Translated English) Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q77
Classification of International Standard 91.140.50
Word Count Estimation 38,385
Date of Issue 2024-12-31
Date of Implementation 2025-07-01
Older Standard (superseded by this standard) GB/T 16895.3-2017
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 16895.3-2024: Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors


---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.
ICS 91.140.50 CCSQ77 National Standard of the People's Republic of China Replaces GB/T 16895.3-2017 Low voltage electrical installations Part 5-54.Selection and installation of electrical equipment Grounding arrangements and protective conductors (IEC 60364-5-54.2021, IDT) Published on 2024-12-31 Implemented on 2025-07-01 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III Introduction IV 541 General 1 541.1 Scope 1 541.2 Normative references 1 541.3 Terms and definitions 2 542 Grounding Configuration 4 542.1 General requirements 4 542.2 Grounding electrode 5 542.3 Grounding conductor 7 542.4 Main grounding terminal 7 543 Protective earth conductor 7 543.1 Minimum cross-sectional area 7 543.2 Protective earth conductor type 9 543.3 Electrical continuity of protective earthing conductor 9 543.4 PEN, PEL or PEM conductor 10 543.5 Protective earthing and functional earthing common conductor 11 543.6 Current of protective earthing conductor 11 543.7 Reinforced protective earthing conductor with protective earthing conductor current exceeding 10 mA 12 543.8 Arrangement of protective earthing conductor 12 544 Protective bonding conductor 12 544.1 Protective bonding conductor connected to the main earthing terminal 12 544.2 Protective bonding conductor for auxiliary bonding 12 545 Functional grounding and functional equipotential bonding of information and communication technology (ICT) equipment and systems12 545.1 Functional equipotential bonding of ICT 12 545.2 Main functional ground terminal (MFET) 13 545.3 Ring equipotential bonding conductor 14 Appendix A (Normative) Calculation method of coefficient k in 543.1.2 (see also IEC 60724 and IEC 60949) 15 Appendix B (informative) Examples of grounding configurations and protective conductors 19 Appendix C (Informative) Installation of grounding electrodes embedded in concrete foundations 21 Appendix D (Informative) Installation of Grounding Electrodes Buried in Soil 23 Appendix E (Informative) List of certain national notes 26 Reference 32

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. GB/T 16895 "Low Voltage Electrical Installations" has been published in 6 parts, of which Part 4, Part 5, Part 7 and Part 8 are divided into For multiple subsections. --- Part 1.Basic principles, evaluation and definitions of general characteristics; --- Part 4.Safety protection; --- Part 5.Selection and installation of electrical equipment; --- Part 6.Inspection; --- Part 7.Requirements for special installations or locations; --- Part 8.Functional aspects. This document is part 5 of GB/T 16895.Selection and installation of electrical equipment, subpart 5-54. Part 5 has been published with the following sub-parts. --- Electrical installations in buildings Part 5-51.General rules for selection and installation of electrical equipment; --- Low voltage electrical installations Part 5-52.Selection and installation of wiring systems for electrical equipment; --- Electrical installations of buildings Part 5-53.Selection and installation of electrical equipment Isolation, switching and control devices Section 534. Overvoltage protection devices; --- Low voltage electrical installations Part 5-54.Selection and installation of grounding arrangements and protective conductors for electrical equipment; --- Low voltage electrical installations Part 5-55.Selection and installation of electrical equipment Other equipment; --- Low voltage electrical installations Part 5-56.Selection and installation safety features of electrical equipment. This document replaces GB/T 16895.3-2017 "Low-voltage electrical installations - Part 5-54.Selection and installation of grounding equipment for electrical equipment" Compared with GB/T 16895.3-2017, this document has the following major technical changes, in addition to structural adjustments and editorial changes. as follows. --- Changed the scope of application (see 541.1, 541.1 of the.2017 edition); --- Added some terms and definitions (see 541.3.13~541.3.19); --- Added additional requirements for functional grounding and functional equipotential bonding of information and communication technology (ICT) equipment and systems (see 545). This document is equivalent to IEC 60364-5-54.2021 "Low-voltage electrical installations - Part 5-54.Selection and installation of electrical equipment" Grounding Configuration and Protective Conductor. 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 was proposed and coordinated by the National Technical Committee for Standardization of Electrical Installations in Buildings (SAC/TC205). This document was drafted by. China Aviation Planning and Design Research Institute Co., Ltd., China International Engineering Design and Research Institute Co., Ltd., China Municipal Engineering Northwest Design Institute Co., Ltd., Shanghai Architectural Design Institute Co., Ltd., China United Engineering Co., Ltd., China Beijing Design Branch of Petroleum Engineering Construction Co., Ltd., Schneider Electric (China) Co., Ltd., China Machinery and Electronics Design Institute Co., Ltd., Uni-Tec Technologies (China) Co., Ltd. and Beijing Xingdian International Engineering Management Co., Ltd. The main drafters of this document are. Su Biping, Xie Zheming, Ding Jie, Wang Jianhua, Liu Yeyu, Qian Zhongyang, Chen Zhongli, Yin Xiangwu, Fang Kun, Tang Ying, Zhao Jingyi, Tang Zhenyu, Kang Qian, Hong Shaolin, Yang Zhiling, Long Jizhi, Du Kuiting, Jiao Jianlei, Yang Hongfeng, Zhu Lianwang. The previous versions of this document and the documents it replaces are as follows. ---First published in.1993 as GB 16895.3-1993, first revised in.2004, and second revised in.2017 as GB/T 16895.3-2017; ---This is the third revision.

Introduction

GB/T 16895 (all parts) for the safety protection of low voltage electrical installations, the selection, installation and inspection of electrical equipment, as well as for special equipment GB/T 16895 is composed of 6 parts. --- Part 1.Basic principles, evaluation and definitions of general characteristics. The purpose is to provide guidance for the design, installation and inspection of low voltage electrical installations. Safety rules are established to avoid possible dangers to persons, domestic animals and property caused by the use of low-voltage electrical installations. to prevent risks and damages and ensure the normal operation of electrical equipment. --- Part 4.Safety protection. It contains sub-parts 4-41, 4-42, 4-43 and 4-44, and aims to establish the safety of low-voltage electrical installations against electric shock. Basic requirements for protection against electrical shock, thermal effects, overcurrent, voltage disturbance and electromagnetic disturbance. --- Part 5.Selection and installation of electrical equipment. Contains subparts 5-51, 5-52, 5-53, 5-54, 5-55 and 5-56. According to the basic requirements of safety protection, establish the functional requirements that meet the expected use of electrical equipment and the general requirements that are suitable for external influences. Rules and regulations, as well as establishing requirements for wiring systems, isolation, switching and control devices, grounding arrangements and protective conductors, low-voltage generating equipment and auxiliary Requirements for the selection and installation of electrical equipment in terms of auxiliary equipment, safety facilities and their power supply systems. --- Part 6.Inspection. The purpose is to establish the requirements for initial inspection and periodic inspection of electrical installations. --- Part 7.Requirements for special installations or locations. Contains 7-701, 7-702, 7-703, 7-704, 7-705, 7-706, 7-710, No relevant connection. --- Part 8.Functional aspects. Contains sub-part 8-1, Assessment of energy efficiency (EE) during design, installation and operation of electrical installations The assessment puts forward requirements, suggestions and methods. The above-mentioned Parts 1, 4, 5 and 6 are general requirements and regulations (general parts), which are also applicable to For use in Part 7 (undated references), but in special installations and locations, Part 7 proposes to supplement, modify or replace GB/T 16895 Some provisions and requirements of Part 1, Part 4, Part 5 and Part 6 of the Regulations. All requirements and recommendations in Part 8 functionally reinforce the requirements in Parts 1 to 7 of IEC 60364. The details of parts 5-54 of GB/T 16895 are listed in the following clauses. 541 General Provisions; 542 grounding configuration; 543 Protective earth conductor; 544 Protective bonding conductor; 545 Functional grounding and functional equipotential bonding for information and communication technology equipment and systems (ICT). In order to clearly define functional grounding and protective grounding, this document gives the following explanation. Functional earthing. If any connection to functional earthing is interrupted, any protective measures and protective devices provided for electrical safety will not be impaired. Therefore, it mainly involves communications, measurements, and electromagnetic compatibility (EMC), mainly for radiated interference and high-frequency interference. Protective Earthing. If any connection to protective earthing is interrupted, the protection provided for electrical safety or the performance of the protective device may be impaired. For requirements on protective earthing, see. IEC 60364-4-41 Protection against electric shock, IEC 60364-4-42 Protection against thermal effects, IEC 60364-4-44 Voltage disturbance and electromagnetic disturbance protection. Low voltage electrical installations Part 5-54.Selection and installation of electrical equipment Grounding arrangements and protective conductors 541 General Provisions 541.1 Scope This document specifies the grounding configuration and protective conductor to meet the safety requirements of electrical installations. This document also covers grounding and equipotential bonding requirements for Information and Communication Technology (ICT) with the aim of. --- Reduce the risk of electrical hazards during normal operation of these equipment and information and communication technology lines; --- Refer to ISO /IEC 30129 to provide a reliable signal reference for telecommunication systems to improve the ability to resist electromagnetic interference (EMI). Note. Examples of information and communications technology (ICT) include. --- DC power supply network (and system) for powering ICT equipment in buildings; ---Star-type private automatic exchange (PABX) and its equipment; ---Local Area (Communication) Network (LAN); --- Fire alarm and intrusion alarm communication systems; ---Building automation systems, such as direct digital control systems; --- Computer-aided manufacturing (CAM) and other computer-aided service systems; ---Broadcasting and communications technology. 541.2 Normative references The contents of the following documents constitute 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. GB/T 16895.10-2021 Low voltage electrical installations Part 4-44.Safety protection against voltage disturbances and electromagnetic disturbances (IEC 60364-4-44.2018, IDT) Note. There is no technical difference between the referenced content of GB/T 16895.10-2021 and the referenced content of IEC 60364-4-44.2007. GB/T 16895.18-2010 Electrical installations in buildings Part 5-51.General rules for selection and installation of electrical equipment (IEC 60364-5-51.2005, IDT) GB/T 16895.21-2020 Low voltage electrical installations Part 4-41.Safety protection Protection against electric shock (IEC 60364-4-41. 2017, IDT) Note. There is no technical difference between the referenced content of GB/T 16895.21-2020 and the referenced content of IEC 60364-4-41.2005. GB/T 17045-2020 Common parts for electric shock protection devices and equipment (IEC 61140.2016, IDT) Note. There is no technical difference between the referenced content of 17045-2020 and the referenced content of IEC 61140.2001. GB/T 21714.3-2015 Lightning protection Part 3.Physical damage to buildings and life hazards (IEC 62305-3. 2010, IDT) Note. GB/T 5645.1-2009 Graphical symbols for electrical equipment Part 1.Overview and classification (IEC 60417 Datebase..2007-01, MOD) GB/T 5465.2-2023 Graphical symbols for electrical equipment Part 2.Graphical symbols (IEC 60417 Datebase. 2023- 03,IDT)

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