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GB/Z 40825-2021Electrical accessories - Harmonization of general rules (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 11, 2021

Implementation date

May 1, 2022

Scope

GB/Z 40825-2021 (Electrical accessories - Harmonization of general rules) is available as an English-translated PDF.

GB/Z 40825-2021 — This document specifies the requirements and test guidelines for electrical accessories. This document applies to electrical accessories. This document provides the requirements applicable to electrical accessories within the scope of SAC/TC67 and its sub-technical committees and SAC/TC189/SC1. Guidelines for the summation test.

Document preview — GB/Z 40825-2021

National Standard of the People's Republic of China

Classification
K 30

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

Contents

  • 1 Scope1
  • 2 Normative references1
  • 3 Terms and definitions2
  • 4 General requirements2
  • 5 Heat resistance3
  • 6 Screws, current-carrying parts and their connections (electrical and mechanical)5
  • 7 Resistance to abnormal heat and flame8
  • 8 Tracking resistance of insulating materials10
  • 9 Anti-rust performance11
  • 10 Mark's legibility, durability and scratch resistance11
  • 11 Screw-type terminals for conductor connection12
  • 12 Annex Standard Test Criteria13
  • 13 Tolerance13
  • 14 Mechanical strength13
  • 15 Appropriate size of insulation distance13
  • 16 Anti-ultraviolet (UV)17
  • Appendix A (informative) Material selection process19
  • Appendix B (informative) GWEPT temperature recommendations21
  • Reference22
  • Figure 1 Self-tapping locking screw5
  • Figure 2 Self-cutting screw5
  • Figure 3 Small part9
  • Figure 4 Test piston size12
  • Figure B.1 GWEPT temperature recommendation flow chart21
  • Table 1 Torque corresponding to thread diameter7
  • Table A.1 The minimum glow-wire ignition temperature (GWIT) of the insulating material required for the flammability classification of the selected material20
  • Table A.2 The minimum glow-wire ignition temperature (GWIT) of the insulating material required by the GWFI classification of the selected material20
  • Table A.3 The minimum number of arcs required for the flammability classification of the selected material20
  • Table A.4 The minimum number of arcs required for the GWFI classification of the selected material20

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"

Drafting.

The revision of this document adopts IEC TR61916.2017 "Coordination of General Provisions of Electrical Accessories".

The technical differences between this document and IEC TR61916.2017 and the reasons are as follows.

---According to the corresponding relationship between my country's Standardization Technical Committee and IEC /TC23, TC23 in the original text is revised to "SAC/TC67

And its sub-technical committee and SAC/TC189/SC1".

The following editorial changes have been made to this document.

---According to the normative references in this document, add normative references, see Chapter 2;

--- In the note of 4.2.1.2, IEC TR61916.2017 gives the "3K5 level" of IEC 60721-3-3, according to my country's GB/T 4798.3,

Amended to "3K5L level";

---According to IEC 60695-2-11, which has been transformed into my country's standard GB/T 5169.11, the order of notes in Appendix B has been adjusted.

Introduction

This document aims to coordinate all standards issued by SAC/TC67 and its sub-technical committees and SAC/TC189/SC1 to promote electrical appliances

The unification of various standard test conditions and methods in the professional field of accessories effectively improves the efficiency of the collaborative use of standards in the professional field of electrical accessories.

General Coordination of Electrical Accessories

1 Scope

This document specifies the requirements and test guidelines for electrical accessories.

This document applies to electrical accessories.

This document provides the requirements applicable to electrical accessories within the scope of SAC/TC67 and its sub-technical committees and SAC/TC189/SC1.

Guidelines for the summation test.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

GB/T 2423.7 Environmental test Part 2.Test method Test Ec. Impact caused by rough operation (mainly used for equipment type

Sample) (GB/T 2423.7-2018, IEC 60068-2-31.2008, IDT)

GB/T 3956 cable conductor (GB/T 3956-2008, IEC 60228.2004, IDT)

GB/T 4207 Method for determination of tracking resistance index and comparative tracking index of solid insulating materials (GB/T 4207-2012,

IEC 60112.2009, IDT)

GB/T 5169.10-2017 Fire hazard test of electric and electronic products Part 10.Glow wire/hot wire basic test method

Hot wire device and general test method (IEC 60695-2-10.2013, IDT)

GB/T 5169.11-2017 Fire hazard test for electric and electronic products Part 11.Glow wire/hot wire basic test method

Glow wire flammability test method (GWEPT) (IEC 60695-2-11.2014, IDT)

GB/T 5169.21-2017 Fire hazard test for electric and electronic products Part 21.Abnormal hot ball pressure test method

(IEC 60695-10-2.2014, IDT)

GB/T 9797 metal covering layer nickel-chromium and copper-nickel-chromium electroplating layer (GB/T 9797-2005, ISO 1456.2003, IDT)

GB/T 9799 Metal and other inorganic coatings The treated zinc electroplating layer on steel (GB/T 9799-2011, ISO 2081.

2008, IDT)

GB/T 12599 Technical specifications and test methods for tin electroplated metal coatings (GB/T 12599-2002, ISO 2093.

1986, MOD)

GB/T 13140.1 Connecting devices for low-voltage circuits for household and similar purposes Part 1.General requirements (GB/T 13140.1-

2008, IEC 60998-1..2002, IDT)

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

Special requirements for connecting devices of tight fittings (GB/T 13140.2-2008, IEC 60998-2-1..2002, IDT)

GB/T 16422.2 Plastic laboratory light source exposure test method Part 2.Xenon arc lamp (GB/T 16422.2-2014,

ISO 4892-2.2006, IDT)

GB/T 16499 Compilation of electrical and electronic safety publications and application guide for basic safety publications and multi-professional safety publications

Rules (GB/T 16499-2017, IEC Guide104.2010, NEQ)

Test tool for testing the protection of GB/T 16842 enclosure against people and equipment (GB/T 16842-2016, IEC 61032.1997, IDT)

GB/T 16915.1 Switches for household and similar fixed electrical installations Part 1.General requirements (GB/T 16915.1-

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

Referenced standards

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