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GB/T 17466.21-2022: Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 21: Particular requirements for boxes and enclosures with provision for suspension means
Status: Valid GB/T 17466.21: Evolution and historical versions
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| GB/T 17466.21-2022 | English | 209 |
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Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 21: Particular requirements for boxes and enclosures with provision for suspension means
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GB/T 17466.21-2022
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| GB 17466.21-2008 | English | 479 |
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[GB/T 17466.21-2008] Boxes and enclosures for electrical accessories for household and similar fixed electrical installations. Part 21: Particular requirements for boxes and enclosures with provision for suspension means
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GB 17466.21-2008
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PDF similar to GB/T 17466.21-2022
Basic data | Standard ID | GB/T 17466.21-2022 (GB/T17466.21-2022) | | Description (Translated English) | Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 21: Particular requirements for boxes and enclosures with provision for suspension means | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K65 | | Word Count Estimation | 10,181 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 17466.21-2022: Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 21: Particular requirements for boxes and enclosures with provision for suspension means
---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.
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations -- Part 21.Particular requirements for boxes and enclosures with provision for suspension means
ICS 29.120.10
CCSK65
National Standards of People's Republic of China
Replacing GB/T 17466.21-2008
Household and similar fixed electrical installations
Electrical accessory mounting boxes and enclosures part 21.
Particular requirements for mounting boxes and enclosures for suspension devices
(IEC 60670-21.2016, MOD)
2022-04-15 Released 2022-11-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface I
Introduction III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General Requirements 1
5 General notes on testing1
6 Rating 1
7 Category 2
8 Flags 2
9 size 2
10 Protection against electric shock 2
11 Ground protection 2
12 Structure 2
13 Anti-aging, anti-solid foreign body ingress and anti-harmful water ingress 3
14 Insulation resistance and electric strength 3
15 Mechanical strength 3
16 Heat resistant 4
17 Creepage distances, clearances and distances through sealant 4
18 Resistance to abnormal heat and fire of insulating materials 4
19 Tracking resistance 4
20 Anti-rust 4
21 Electromagnetic Compatibility (EMC) 4
Figure 101 Example 5 of a suspension device
Figure 102 Sloped ceiling test 5
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 of Standardization Documents"
drafted.
This document is Part 21 of GB/T 17466 "Installation Boxes and Enclosures for Electrical Accessories for Household and Similar Fixed Electrical Installations".
GB/T 17466 has released the following parts.
--- Part 1.General requirements;
--- Part 2.Special requirements.
● Part 21.Particular requirements for mounting boxes and enclosures for suspension devices;
● Part 22.Particular requirements for connection boxes and enclosures;
● Part 23.Particular requirements for ground-mounted boxes and enclosures;
● Part 24.Particular requirements for enclosures of residential protection devices and other power-consuming electrical appliances.
This document replaces GB/T 17466.21-2008 "Installation boxes and enclosures of electrical accessories for household and similar fixed electrical installations
Part 21.Particular requirements for mounting boxes and enclosures for suspension devices", compared with GB/T 17466.21-2008, except for structural adjustment and
In addition to editorial changes, the main technical changes are as follows.
--- Increased the requirements for the conductive part of the suspension device in the installation box or enclosure (see Chapter 10);
--- Increased the ambient temperature requirements for the installation box and enclosure test classified in 7.1.2 and 7.1.4 (see 15.101.1);
--- Deleted the ambient temperature requirements for installation boxes and enclosures classified in 7.1.1 and 7.1.3 (see 15.101.2 of the.2008 edition).
This document is modified to adopt IEC 60670-21.2016 "Installation boxes and enclosures of electrical accessories for fixed electrical installations for household and similar purposes.
Part 21.Particular requirements for mounting boxes and enclosures for suspension devices.
The technical differences between this document and IEC 60670-21.2016 and their reasons are as follows.
--- Added "This document specifies the marking, protection against electric shock, structure, mechanical properties, electrical
Gas performance and other technical requirements", in order to comply with the provisions of GB/T 1.1.
The following editorial changes have been made to this document.
--- Deleted the notes applicable to other countries in IEC 60670-21.2016, such as Note 4 of 15.101.1.
Please note that some content of this document may be patented. 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 Standardization Technical Committee for Electrical Accessories (SAC/TC67).
This document is drafted by. China Electric Apparatus Research Institute Co., Ltd., Ningbo Bull Electric Co., Ltd., Jiangsu Tongling Technology Co., Ltd.
Company, Zhejiang Zhilun Home Technology Co., Ltd., Xiamen Yangmai Electric Co., Ltd., Shanghai Kangrui Electric Co., Ltd., Guangdong Futian Electric Co., Ltd.
Company, Zhongshan Shixin Electric Co., Ltd., Zhejiang Youmo Technology Co., Ltd., Guangdong Liying Intelligent Technology Co., Ltd., Shenzhen Huayitong Industrial Co., Ltd.
Yee Electric Co., Ltd., Feidiao Electric Group Co., Ltd., Weikai Testing Technology Co., Ltd., Zhejiang Nuojin Electric Co., Ltd., Zhejiang Zhengtaijian
Zhu Electric Co., Ltd., China Quality Certification Center, Wenzhou Lai Yier Electric Co., Ltd., Yuehua Holding Group Co., Ltd., Zhejiang Fangyuan Testing
Group Co., Ltd., Shaanxi Teny Electronics Co., Ltd., Guangdong Quanwei Industrial Technology Co., Ltd., Shaanxi Juzhong Zhide Electronic Technology Co., Ltd.
Co., Ltd., Yiwu Jianghao Plastic Technology Co., Ltd., Shaanxi Fahida Electronics Co., Ltd., Guangdong Yanfei Technology Co., Ltd.
The main drafters of this document. Hu Lanfang, Sun Ting, Si Lifeng, Cai Jun, Gong Guanghui, Cai Sufeng, Xiao Ganli, Chen Geng, Ye Hao, Liang Xiqiang,
Zhang Jilan, Yang Lingling, Ding Chunyan, Luo Yangjun, Xu Yizhong, Liu Bo, Zang Guomeng, Liu Shuiqiang, Guo Mengqing, Wang Sheng, Zhou En, Guo Chunyu, Quan Yongde,
Wang Zhewei, Li Shouying, Xu Yueping, Huang Qiongfang, Liu Heping.
The previous versions of this document and its superseded documents are as follows.
---First published in.2008 as GB/T 17466.21-2008;
---This is the first revision.
Introduction
GB/T 17466 aims to standardize the technical requirements for the installation boxes and enclosures of electrical accessories for household and similar fixed electrical installations.
The safe use of certified products is intended to consist of the following parts.
--- Part 1.General requirements. The purpose is to specify electrical accessory boxes and enclosures for household and similar fixed electrical installations.
General requirements for shell structure, mechanical properties, electrical properties, etc.
--- Part 21.Particular requirements for mounting boxes and enclosures for suspension devices. The purpose is to specify the mounting box for the suspension device
And the technical requirements of anti-shock protection, structure, mechanical properties and electrical properties of the shell.
--- Part 22.Particular requirements for connection boxes and enclosures. The purpose is to specify the protection against electric shock, structure, mechanical
performance, electrical performance and other technical requirements.
--- Part 23.Particular requirements for ground-mounted boxes and enclosures. The purpose is to specify the protection against electric shock of ground-mounted boxes and enclosures,
Technical requirements for structure, mechanical properties, electrical properties, etc.
--- Part 24.Particular requirements for enclosures of residential protection devices and other power-consuming electrical appliances. The purpose is to specify residential protective equipment
Technical requirements such as protection against electric shock, structural requirements, mechanical properties, and electrical properties of enclosures and other power-consuming electrical appliances.
This document can provide guidance for the production of mounting boxes and housing products for suspension devices, and improve the technical performance, safety and reliability of the products.
to ensure the safety of people's electricity consumption.
Household and similar fixed electrical installations
Electrical accessory mounting boxes and enclosures part 21.
Particular requirements for mounting boxes and enclosures for suspension devices
1 Scope
This document specifies the marking, protection against electric shock, structure, mechanical properties, electrical properties, etc.
Require.
This chapter of GB/T 17466.1-2019 applies after adding the following content.
Add after the fourth paragraph.
This document applies to mounting boxes and enclosures fitted with suspension devices.
2 Normative references
This chapter of GB/T 17466.1-2019 applies.
3 Terms and Definitions
This chapter of GB/T 17466.1-2019 applies to this document after adding the following terms and definitions.
3.101
A mounting box intended for suspending the load and receiving the suspending device.
3.102
Suspension device suspensionmeans
The unit consists of any necessary parts (hooks, brackets, etc.) that can be used in combination with the mounting box and enclosure or alone (see
Figure 101).
4 General requirements
This chapter of GB/T 17466.1-2019 applies.
5 General notes on the test
This chapter of GB/T 17466.1-2019 applies.
6 Rating
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