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GB 2099.7-2024: Cord extension socket-outlets for household and similar purposes - Safety technical specification
Status: Valid GB 2099.7: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 2099.7-2024 | English | 759 |
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Cord extension socket-outlets for household and similar purposes - Safety technical specification
| Valid |
GB 2099.7-2024
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| GB 2099.7-2015 | English | 339 |
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[GB/T 2099.7-2015] Plugs and socket-outlets for household and similar purposes -- Part 2-7: Particular requirements for cord extension sets
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GB 2099.7-2015
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| GB/T 2099.7-2015 | English | 299 |
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Plugs and socket-outlets for household and similar purposes -- Part 2-7: Particular requirements for cord extension sets
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GB/T 2099.7-2015
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PDF similar to GB 2099.7-2024
Basic data | Standard ID | GB 2099.7-2024 (GB2099.7-2024) | | Description (Translated English) | Cord extension socket-outlets for household and similar purposes - Safety technical specification | | Sector / Industry | National Standard | | Classification of Chinese Standard | K30 | | Classification of International Standard | 29.120.30 | | Word Count Estimation | 38,331 | | Date of Issue | 2024-07-24 | | Date of Implementation | 2025-08-01 | | Older Standard (superseded by this standard) | GB/T 2099.7-2015 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB 2099.7-2024: Cord extension socket-outlets for household and similar purposes - Safety technical specification
---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.
GB 2099.7-2024 English version. Cord extension socket-outlets for household and similar purposes - Safety technical specification
ICS 29.120.30
CCSK30
National Standard of the People's Republic of China
Replaces GB/T 2099.7-2015
Extension cord sockets for household and similar purposes
Safety technical specifications
Safety technical specification
Released on 2024-07-24
2025-08-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Classification, main technical parameters 2
5 Requirement 3
6 Test methods 13
7 Signs, symbols and instructions 21
8 Inspection Rules 24
9 Implementation of standards24
Appendix A (Normative) Needle flame test 25
Appendix B (Normative) Routine tests related to safety for factory-wired mobile sockets (protection against electric shock and correct polarity) 26
Reference 28
Table 1 Type and length of flexible cable for extension cord socket, nominal cross-sectional area of conductor 5
Table 2 Minimum overall retention force of the socket of the extension cord used for charging electric bicycles 8
Table 3 Length of flexible cable and nominal cross-sectional area of conductor of extension cord socket for drawing power from electric vehicle discharge system 9
Table 4 Minimum overall retention force of the socket of the extension cord socket that draws power from the electric vehicle discharge system 10
Table B.1 Graphic illustration of routine tests to be performed on mobile electrical accessories with conductors in the delivery state 26
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 for standardization documents"
Drafting.
This document is Part 7 of Plugs and Sockets for Household and Similar Purposes. Plugs and Sockets for Household and Similar Purposes has been published as follows
part.
--- Plugs and sockets for household and similar purposes Part 1.General requirements (GB/T 2099.1);
--- Plugs and sockets for household and similar purposes Part 2.Particular requirements for appliance sockets (GB/T 2099.2).
--- Plugs and sockets for household and similar purposes Part 2-5.Particular requirements for converters (GB/T 2099.3);
--- Plugs and sockets for household and similar purposes Part 2.Particular requirements for fixed non-interlocking switched sockets (GB/T 2099.4);
--- Plugs and sockets for household and similar purposes Part 2.Particular requirements for fixed interlocking switches and sockets (GB/T 2099.5);
--- Plugs and sockets for household and similar purposes Part 2.Particular requirements for plugs with fuses (GB/T 2099.6);
--- Safety technical specification for extension cord sockets for household and similar purposes (GB 2099.7);
--- Plugs and sockets for household and similar purposes Part 2-4.Particular requirements for safety extra low voltage (SELV) plugs and sockets
(GB/T 2099.8);
--- Plugs and sockets for household and similar purposes Part 2-9.Particular requirements for information sockets (GB/T 2099.9).
This document replaces GB/T 2099.7-2015 "Plugs and sockets for household and similar purposes - Part 2-7.Special requirements for extension cord sockets"
Compared with GB/T 2099.7-2015, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Changed the terms and definitions (see Chapter 3, Chapter 3 of the.2015 edition);
--- Changed the classification of extension cord sockets (see 4.1, Chapter 7 of the.2015 edition);
--- Added main technical parameters (see 4.2);
--- Changed the requirements for protection against electric shock and the corresponding test methods for the sockets of extension cords (see 5.1.6.2, 6.2.5.2,.2015 edition
14.1);
--- Added protection function requirements for ordinary extension cord sockets (see 5.1.6.4);
--- Added the shell shape requirements for extension cord sockets (see 5.1.6.5.1);
--- Added the protection level requirements, corresponding inspection methods and marking requirements for ordinary extension cord sockets used outdoors (see
5.1.7.3, 6.2.6.3, 7.1.1);
--- Added bending test requirements for mobile sockets (see 5.1.13);
--- Added copper content requirements for current-carrying parts of extension cord sockets and corresponding inspection methods (see 5.1.16.2, 6.2.15.2);
--- Added requirements for extension cord sockets used for charging electric bicycles and corresponding test methods (see 5.2, 6.3);
--- Added requirements for extension cord sockets that draw power from the electric vehicle discharge system and corresponding test methods (see 5.3, 6.4);
--- Added requirements for extension cord sockets installed on furniture or desktops and corresponding test methods (see 5.4, 6.5);
--- Added the requirements for extension cord sockets with coupler input and the corresponding test methods (see 5.5, 6.6);
--- Added requirements for extension cord sockets with cord reels and corresponding test methods (see 5.6, 6.7);
--- Added general provisions for extension cord socket test (see 6.1);
--- Changed the cable length measurement method for extension cord sockets (see 6.2.5.3, 14.2 of the.2015 edition);
--- Added test conditions for insulation resistance and electrical strength (see 6.2.7);
--- Added the requirements for the temperature rise test method for mobile sockets with wires shipped from the factory (see 6.2.8.1);
--- Added requirements for the breaking capacity test method of extension cord sockets with assembled components (see 6.2.9);
--- Changed the marking requirements (see 7.1, Chapter 8 of the.2015 edition);
--- Added the requirements for instructions (see 7.3);
--- Added inspection rules (see Chapter 8);
--- Increased the implementation of the standard (see Chapter 9).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the Ministry of Industry and Information Technology of the People's Republic of China.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2015 as GB/T 2099.7-2015;
---This is the first revision and it is revised into a mandatory national standard.
Introduction
"Plugs and Sockets for Household and Similar Purposes" aims to standardize the technical requirements of plugs and sockets for household and similar purposes, and ensure that users can use them in daily electricity supply.
Safety when using electricity. This series of standards needs to be consistent with GB 1002 "Types, basic parameters and dimensions of single-phase plugs and sockets for household and similar purposes"
Use in conjunction with.
"Plugs and Sockets for Household and Similar Purposes" is proposed to consist of the following parts.
--- Plugs and sockets for household and similar purposes Part 1.General requirements. The purpose is to specify plugs and sockets for household and similar purposes
Technical requirements for protection against electric shock, grounding measures, structure, mechanical strength, electrical performance, etc.
--- Plugs and sockets for household and similar purposes Part 2.Particular requirements for appliance sockets. The purpose is to standardize the protection of appliance sockets against contact.
Technical requirements for electrical protection, grounding measures, structure, mechanical strength, electrical performance, etc.
--- Plugs and sockets for household and similar purposes Part 2-5.Particular requirements for converters. The purpose is to standardize the protection against electric shock of converters
Technical requirements for protection, grounding measures, structure, mechanical strength, electrical performance, etc.
--- Plugs and sockets for household and similar purposes Part 2.Particular requirements for fixed non-interlocking switched sockets. The purpose is to standardize
Technical requirements for anti-electric shock protection, grounding measures, structure, mechanical strength, electrical performance, etc. of fixed non-interlocking switched sockets.
--- Plugs and sockets for household and similar purposes Part 2.Particular requirements for fixed interlocking switches and sockets. The purpose is to standardize
Technical requirements for anti-electric shock protection, grounding measures, structure, mechanical strength, electrical performance, etc. of fixed interlocking switches and sockets.
--- Plugs and sockets for household and similar purposes Part 2.Particular requirements for plugs with fuses. The purpose is to standardize plugs with fuses.
Technical requirements for the head's anti-electric shock protection, grounding measures, structure, mechanical strength, electrical performance, etc.
---Safety technical specification for extension cord sockets for household and similar purposes. The purpose is to standardize the protection against electric shock and grounding of extension cord sockets
Technical requirements such as measures, structure, mechanical strength, electrical performance, etc.
--- Plugs and sockets for household and similar purposes Part 2-4.Particular requirements for safety extra low voltage (SELV) plugs and sockets.
To standardize the protection against electric shock, grounding measures, structure, mechanical strength, electrical performance, etc. of safety extra low voltage (SELV) plugs and sockets
Technical requirements.
--- Plugs and sockets for household and similar purposes Part 2-9.Special requirements for information sockets. The purpose is to standardize the protection of information sockets.
Technical requirements for electric shock protection, grounding measures, structure, mechanical strength, electrical performance, etc.
This document can provide guidance for the design, production and testing of plugs and sockets for household and similar purposes, and improve the technical performance and safety of the products.
Full reliability, ensuring the safety of people's electricity use.
Extension cord sockets for household and similar purposes
Safety technical specifications
1 Scope
This document specifies the classification, main technical parameters, requirements, signs, symbols and instructions, inspection rules of extension cord sockets, and describes the relevant
Appropriate test method.
This document applies to extension cord sockets for household and similar purposes, whether for indoor or outdoor use.
This document also applies to mobile sockets intended to be connected to a flexible cable.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB 1002-2024 Types, basic parameters and dimensions of single-phase plugs and sockets for household and similar purposes
GB/T 2099.1-2021 Plugs and sockets for household and similar purposes Part 1.General requirements
GB/T 2099.6 Plugs and sockets for household and similar purposes Part 2.Particular requirements for plugs with fuses
GB/T 2423.1 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature
GB/T 2423.55 Environmental testing Part 2.Test methods Test Eh. Hammer test
GB/T 5013 (all parts) Rubber insulated cables with rated voltage of 450/750V and below
GB/T 5023 (all parts) Polyvinyl chloride insulated cables with rated voltage of 450/750V and below
GB/T 5169.5-2020 Fire hazard testing for electric and electronic products Part 5.Test flame needle flame test method and apparatus,
Confirmation test methods and guidelines
GB/T 5465.2 Graphical symbols for electrical equipment Part 2.Graphical symbols
GB/T 13539 (all parts) Low voltage fuses
GB/T 14536 (all parts) Electric automatic controllers
GB/T 16842-2016 Test fixture for testing the protection of enclosures to people and equipment
GB/T 17701 Circuit Breakers for Equipment (CBE)
GB/T 17465.1-2022 Appliance couplers for household and similar purposes Part 1.General requirements
GB/T 17465.6-2022 Appliance couplers for household and similar purposes Part 3.Standard loose-leaf and gauges
GB/T 17799.1 General standard for electromagnetic compatibility Immunity in residential, commercial and light industrial environments
GB 17799.3 General standard for electromagnetic compatibility Part 3.Emissions of equipment in residential environments
GB/T 19637-2017 Electrical accessories Cable reels for household and similar purposes
GB/T 20002.4 Drafting of specific contents in standards Part 4.Contents related to safety in standards
GB/T 20234.1-2023 Connection devices for conductive charging of electric vehicles Part 1.General requirements
GB/T 28046.3-2011 Environmental conditions and testing for electrical and electronic equipment of road vehicles Part 3.Mechanical loads
GB/T 33594 Electric vehicle charging cables
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