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GB/T 17466.22-2022Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 22: Particular requirements for connecting boxes and enclosures (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22部分：连接盒与外壳的特殊要求

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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 17466.22-2022 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22部分：连接盒与外壳的特殊要求.

GB/T 17466.22-2022 is the Chinese standard "Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 22: Particular requirements for connecting boxes and enclosures".

Its scope clause reads: This document specifies the technical requirements for the marking, protection against electric shock, structure, mechanical properties, and electrical properties of the connection box and enclosure.

This chapter of GB/T 17466.1-2019 shall apply after adding the following contents. Add after the fourth paragraph. This document applies to junction boxes for termination and/or tap. Its clauses include terms and definitions.

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Document preview — GB/T 17466.22-2022

National Standard of the People's Republic of China

Classification: K 65

Issued by: State Administration for Market Regulation, China National Standardization Administration

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 matter and anti-harmful water
14 Insulation resistance and electrical strength
15 Mechanical strength
16 Heat resistant
17 Creepage distances, clearances and through sealant distances
18 Resistance to abnormal heat and fire of insulating materials
19 Tracking resistance
20 Corrosion Resistant
21 Electromagnetic Compatibility (EMC)
Appendix AA (informative) Example 9 of a connection box/housing

1 Scope

This document specifies the technical requirements for the marking, protection against electric shock, structure, mechanical properties, and electrical properties of the connection box and enclosure.

This chapter of GB/T 17466.1-2019 shall apply after adding the following contents.

Add after the fourth paragraph.

This document applies to junction boxes for termination and/or tap.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

This chapter of GB/T 17466.1-2019 shall apply after adding the following contents.

GB/T 13140 (all parts) Connecting devices for household and similar low-voltage circuits [IEC 60998 (all parts)]

Note. GB/T 13140.1-2008 Connecting devices for household and similar low-voltage circuits - Part 1.General requirements (IEC 60998-1.2002,

IDT);

GB/T 13140.2-2008 Connecting devices for household and similar low-voltage circuits - Part 2.Threaded clamping parts as independent units

Particular requirements for connecting devices (IEC 60998-2-1.2002, IDT);

GB/T 13140.3-2008 Connecting devices for low-voltage circuits for household and similar purposes - Part 2.As a separate unit with screwless clamping

Particular requirements for connecting devices of parts (IEC 60998-2-2.2002, IDT);

GB/T 13140.4-2008 Connecting devices for low-voltage circuits for household and similar purposes - Part 2.As a separate unit with piercing insulating clips

Particular requirements for connecting devices for tight fittings (IEC 60998-2-3.2002, IDT);

GB/T 13140.5-2008 Connecting devices for household and similar low-voltage circuits - Part 2.Particular requirements for twist-connecting devices (IEC 60998-2-4.2004, IDT).

GB/T 17464 Safety requirements for threaded and unthreaded clamping parts of electrical copper conductors for connecting devices are applicable to 0.2mm2

General requirements and special requirements for clamping parts of conductors up to 35mm2 (inclusive) (GB/T 17464-2012, IEC 60999-1.1999,

IDT)

GB/T 20636 Safety requirements for threaded and non-threaded clamping parts of electrical copper conductors for connecting devices are applicable to 35mm2

Special requirements for conductors up to 300mm2 (GB/T 20636-2006, IEC 60999-2.2003, IDT)

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 connectingbox

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 13140 · IEC 60998 · GB/T 13140.3-2008 · GB/T 13140.4-2008 · GB/T 17464 · GB/T 17464-2012 · IEC 60999

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