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GB/T 33588.2-2020: Lightning protection system components (LPSC) - Part 2: Requirements for air-termination systems, down-conductors and earth electrodes
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Lightning protection system components (LPSC) - Part 2: Requirements for air-termination systems, down-conductors and earth electrodes
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Lightning protection system components (LPSC) -- Part 2: Requirements for conductors and earth electrodes
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Basic data | Standard ID | GB/T 33588.2-2020 (GB/T33588.2-2020) | | Description (Translated English) | Lightning protection system components (LPSC) - Part 2: Requirements for air-termination systems, down-conductors and earth electrodes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K10 | | Classification of International Standard | 91.120.40 | | Word Count Estimation | 29,287 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-06-01 | | Older Standard (superseded by this standard) | GB/T 33588.2-2017 | | Quoted Standard | GB/T 2423.18-2012; GB/T 9789-2008; GB/T 33588.1-2020; ISO 2178; ISO 6892-1; ISO 6957-1988; IEC 62305-3; IEC 62305-4 | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the requirements and test methods for the following lightning protection system components: metal conductors (non-"natural" conductors) that constitute air-termination devices and down conductors; metal grounding electrodes that constitute grounding devices. | GB/T 33588.2-2020: Lightning protection system components (LPSC) - Part 2: Requirements for air-termination systems, down-conductors and earth electrodes
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(Lightning Protection System Components (LPSC) Part 2.Requirements for air-termination, down conductor and grounding electrode)
ICS 91.120.40
K10
National Standards of People's Republic of China
Replace GB/T 33588.2-2017
Lightning Protection System Components (LPSC)
Part 2.Requirements for air-termination, down conductor and grounding electrode
2020-11-19 released
2021-06-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
Introduction Ⅴ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Requirements 2
4.1 General requirements 2
4.2 Documentation 3
4.3 Air-termination wire (band), air-termination rod, grounding lead-in rod, down conductor 3
4.4 Ground electrode 4
4.5 Identification 5
5 Test method 7
5.1 General test requirements 7
5.2 Air-termination wire (belt), air-termination rod, grounding lead-in rod, down conductor, wire (belt) ground electrode, grounding plate 7
5.3 Ground rod 9
5.4 Ground rod connector 12
5.5 Identification test 14
6 Electromagnetic compatibility (EMC) 14
7 Structure and content of test report 14
7.1 General requirements 14
7.2 Report identification 14
7.3 Sample description 15
7.4 Conductor 15
7.5 Standards and references 15
7.6 Test procedure 15
7.7 Description of test equipment 15
7.8 Test instrument description 15
7.9 Recorded results and parameters 15
7.10 Declaration of conformity/nonconformity 15
Appendix A (Normative Appendix) Environmental Impact Test 16
Appendix B (Normative Appendix) Electrical Test 17
Appendix C (Normative Appendix) Requirements and tests for air-termination wires (bands), air-termination rods, grounding lead-in rods, and down conductors 18
Appendix D (Normative Appendix) Grounding electrode requirements and tests 19
Appendix E (Normative Appendix) Air-termination wire (belt), air-termination rod, ground lead-in rod, down conductor, wire (belt) ground electrode, ground plate test
Process 20
Appendix F (Normative Appendix) Ground Rod Test Procedure 21
Appendix G (Normative Appendix) Test Procedure of Ground Rod Connection 22
Reference 23
Figure 1 Covering measurement along the circumference of a circular sample 8
Figure 2 Covering measurement of rectangular sample 8
Figure 3 Typical arrangement of adhesion test 10
Figure 4 Definition of upper yield strength ReH and tensile strength Rm 12
Figure 5 Typical pressure test arrangement using mechanical methods 13
Figure E.1 Test flow chart of air-termination wire (belt), air-termination rod, grounding lead-in rod, down conductor, wire (belt) ground electrode, and grounding plate 20
Figure F.1 Ground rod test flow chart 21
Figure G.1 Test flow chart of ground rod connector 22
Table 1 Air-termination wire (belt), air-termination rod, ground lead-in rod, down conductor material, structure and cross-sectional area 3
Table 2 Mechanical and electrical characteristics of air-termination wire (band), air-termination rod, grounding lead-in rod, down conductor and grounding electrode 4
Table 3 Material, structure and cross-sectional area of the ground electrode 5
Table B.1 Lightning impulse current (Iimp) parameters 17
Table C.1 Summary of requirements for different components given in Table 1 and Table 2 18
Table D.1 Summary of requirements for different components given in Table 2 and Table 3 19
Foreword
GB/T 33588 "Lightning Protection System Components (LPSC)" consists of the following 7 parts.
---Part 1.Requirements for connectors;
---Part 2.Requirements for air-termination, down conductor and grounding electrode;
---Part 3.Requirements for Isolation Discharge Gap (ISG);
---Part 4.Fastener requirements for conductors;
---Part 5.Requirements for grounding electrode detection box and grounding electrode sealer;
---Part 6.Requirements for Lightning Strike Counter (LSC);
---Part 7.Requirements for grounding resistance-reducing materials.
This part is Part 2 of GB/T 33588.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 33588.2-2017 ``Lightning Protection System Components (LPSC) Part 2.Requirements for Conductors and Earthing Electrodes'',
Compared with GB/T 33588.2-2017, the main technical changes are as follows.
--- Deleted the term "air-termination rod (wire, belt)" (see 3.2 in the.2017 edition);
--- Added the terms "air-termination rod" and "air-termination line (band)" (see 3.2 and 3.3);
---Modified the requirements of mechanical and electrical characteristics and merged them into one table (see Table 2, Table 2 and Table 4 of the.2017 edition);
---Added the specific method of covering layer thickness test (see 5.2.2);
---Modified the environmental and electrical and tensile strength tests of the ground rod connections (see 5.4.3, 5.4.4 and 5.4.5, 5.4.3 in the.2017 edition);
---Added Appendix B "Electrical Test";
--- Deleted the.2017 edition of Appendix D "Typical Examples of Conductor Resistivity Calculation" and Appendix E "Typical Tensile Strength of Overlay Materials"
Type calculation example".
The translation method used in this part is equivalent to the adoption of IEC 62561-2.2018 ``Lightning Protection System Components (LPSC) Part 2.Conductor and Connection
The requirements of the earth.
The Chinese documents that have a consistent correspondence with the international documents cited in this section are as follows.
---GB/T 228.1-2010 Tensile test of metallic materials Part 1.Room temperature test method (ISO 6892-1.2009,
MOD);
---GB/T 4956-2003 Magnetic method for measuring the thickness of the non-magnetic coating on the magnetic substrate (ISO 2178.1982,
IDT);
---GB/T 21714.3-2015 Lightning Protection Part 3.Physical damage to buildings and danger to life (IEC 62305-3.
2010, IDT);
---GB/T 21714.4-2015 Lightning Protection Part 4.Electrical and Electronic Systems in Buildings (IEC 62305-4.2010,
IDT).
This section has made the following editorial changes.
--- Amend the standard name to "Lightning Protection System Components (LPSC) Part 2.Requirements for Air-termination, Down-conductor and Grounding Electrodes";
---Incorporated technical errata IEC 62561-2.2018/COR1.2019;
---Added notes in "Scope", 3.1, 3.7, 3.8, 5.1;
---According to the actual situation in our country, footnote g and footnote h in Table 3 have been deleted.
Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents.
This part was proposed and managed by the National Standardization Technical Committee for Lightning Protection (SAC/TC258).
Drafting organizations of this section. Sichuan Zhongguang Lightning Protection Technology Co., Ltd., China Academy of Information and Communications Technology, Tianjin Zhongli Lightning Protection Technology
Co., Ltd., Jiangsu Jinheyi Composite New Material Co., Ltd., Taizhou Guilong Lightning Protection Engineering Co., Ltd., China Association for Standardization.
The main drafters of this section. Wang Xueying, Zhang Hongwen, Yao Ximei, Gao Bo, Sun Weiwei, Yuan Yue, Sun Yongchun, Zhao Xiaoxian.
The previous versions of the standards replaced by this part are as follows.
---GB/T 33588.2-2017.
Introduction
This part of GB/T 33588 relates to the lightning protection system (LPS) designed and installed according to the IEC 62305 series of standards.
Requirements and test methods for air-termination devices, down conductors and grounding electrodes.
Lightning Protection System Components (LPSC)
Part 2.Requirements for air-termination, down conductor and grounding electrode
1 Scope
This part of GB/T 33588 specifies the requirements and test methods for the following lightning protection system components.
---Metal conductors (non-"natural" conductors) that constitute the air-termination device and down conductor;
---The metal grounding pole that forms the grounding device.
Note. Non-"natural" conductors refer to specially designed air-termination or down conductors, rather than using natural metal parts (such as building steel bars, etc.), see 3.15 of GB/T 21714.3-2015.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 2423.18-2012 Environmental test Part 2.Test method Test Kb. Salt spray, alternating (sodium chloride solution)
GB/T 9789-2008 Metal and other inorganic coatings, sulfur dioxide corrosion test under normal condensation conditions (ISO 6988.1985, IDT)
GB/T 33588.1-2020 Lightning Protection System Components (LPSC) Part 1.Requirements for Connectors (IEC 62561-1.2017, IDT)
ISO 2178 Non-magnetic coating layer thickness measurement on magnetic substrate magnetic method
ISO 6892-1 Tensile test of metallic materials Part 1.Room temperature test method
ISO 6957.1988 Ammonia fumigation test for stress corrosion resistance of copper alloys
IEC 62305-3 Lightning Protection Part 3.Physical Damage and Danger to Life of Buildings
IEC 62305-4 Lightning Protection Part 4.Electrical and Electronic Systems in Buildings
3 Terms and definitions
The following terms and definitions apply to this document.
ISO and IEC continuously update the terminology standardization database at the following website.
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