GB/T 17466.21-2022Boxes 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 (English PDF)
家用和类似用途固定式电气装置的电器附件安装盒和外壳 第21部分：用于悬吊装置的安装盒和外壳的特殊要求
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
April 15, 2022
Implementation date
November 1, 2022
Scope
GB/T 17466.21-2022 is the English-translated version of 家用和类似用途固定式电气装置的电器附件安装盒和外壳 第21部分：用于悬吊装置的安装盒和外壳的特殊要求.
GB/T 17466.21-2022 is the Chinese standard "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".
Its scope clause reads: 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.
Its clauses include terms and definitions; general requirements; general notes on the test; rating.
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Document preview — GB/T 17466.21-2022
National Standard of the People's Republic of China
- Classification
- K 65
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- Preface
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 General Requirements
- 5 General notes on testing
- 6 Rating
- 7 Category
- 8 Flags
- 9 size
- 10 Protection against electric shock
- 11 Ground protection
- 12 Structure
- 13 Anti-aging, anti-solid foreign body ingress and anti-harmful water ingress
- 14 Insulation resistance and electric strength
- 15 Mechanical strength
- 16 Heat resistant
- 17 Creepage distances, clearances and distances through sealant
- 18 Resistance to abnormal heat and fire of insulating materials
- 19 Tracking resistance
- 20 Anti-rust
- 21 Electromagnetic Compatibility (EMC)
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
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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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 17466.1-2019 — Boxes and enclosures for electrical accessories for household and similar fixed electrical installations -- Part 1: General requirements
GB/T 17466.22-2022 — Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 22: Particular requirements for connecting boxes and enclosures
GB/T 17466.23-2022 — Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 23: Particular requirements for floor boxes and enclosures
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GB/T 17466.21-2022
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