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Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 2099.31-2025: Plugs and socket-outlets for household and similar purposes - Part 31: Particular requirements for socket-outlets incorporating USB power supply Status: Valid
Basic dataStandard ID: GB/T 2099.31-2025 (GB/T2099.31-2025)Description (Translated English): Plugs and socket-outlets for household and similar purposes - Part 31: Particular requirements for socket-outlets incorporating USB power supply Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K30 Classification of International Standard: 29.120.30 Word Count Estimation: 34,317 Date of Issue: 2025-04-25 Date of Implementation: 2025-11-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 2099.31-2025: Plugs and socket-outlets for household and similar purposes - Part 31: Particular requirements for socket-outlets incorporating USB power supply---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. ICS 29.120.30 CCSK30 National Standard of the People's Republic of China Plugs and sockets for household and similar purposes Part 31.Particular requirements for socket-outlets equipped with USB power supplies Released on 2025-04-25 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of contentsPreface III Introduction VI 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 General requirements 3 5 General notes on the test 3 6 Rating 5 7 Categories 6 8 Logo 6 9 Dimensional inspection 7 10 Protection against electric shock 7 11 Grounding measures 8 12 Terminals and Ends 8 13 Structure of fixed socket 8 14 Structure of plugs and mobile sockets 9 15 Interlock socket 9 16 Resistance to ageing, protection provided by the housing and moisture resistance 9 17 Insulation resistance and electrical strength 9 18 Working of grounding contact 10 19 Temperature rise 10 20 breaking capacity 12 21 Normal Operation 12 22 Force required to unplug the plug 13 23 Flexible cable and its connection 14 24 Mechanical strength 14 25 Heat resistance 15 26 Screws, current-carrying parts and their connections 15 27 Creepage distance, electrical clearance and distance through sealant 15 28 Resistance of insulating materials to abnormal heat, flame and tracking 15 29 Anti-rust performance 15 30 Additional tests for plugs with insulating sheaths 16 31 EMC requirements 16 32 Electromagnetic Field (EMF) Requirements 19 101 Abnormal conditions 19 102 Special requirements for USB power supply 22 Appendix 24 Appendix AA (Normative) Safety-related routine tests for electrical strength test control - Electrical strength test of USB power supply 24 Reference 26 Figure 101 Minimum electrical clearance and creepage distance on printed circuit boards 21 Table B.1 List of samples required for the test 4 Table 101 Allowable temperature rise value 11 Table 102 Immunity test (overview) 16 Table 103 Voltage dip and short interruption test values 17 Table 104 Surge (impact) immunity test 17 Table 105 Electrical fast transient/burst test value 18 Table 106 GB/T 17626.3 Radiated electromagnetic field test value 18 Table AA.1 Test voltage 24ForewordThis 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 31 of GB/T 2099.GB/T 2099 "Plugs and sockets for household and similar purposes" has been published in the following parts. --- 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); --- Plugs and sockets for household and similar purposes Part 31.Particular requirements for sockets equipped with USB power supplies (GB/T 2099.31). This document is modified to adopt IEC 60884-3-1.2021 "Plugs and socket-outlets for household and similar purposes - Part 3-1.Plugs and socket-outlets equipped with USB power supply" Special requirements for sockets. The technical differences between this document and IEC 60884-3-1.2021 and their reasons are as follows. --- The normative reference GB/T 2423.55 replaces IEC 60068-2-75, which is consistent with the actual reference in this document. Adapt to my country's technical conditions and increase operability (see 24.101.4); --- The normative reference GB/T 6109.1-2008 replaces IEC 60317-0-1.2013, which is consistent with the actual reference in this document. Application conditions to adapt to my country's technical conditions and increase operability (see 101.2.2.2); --- Replaced CISPR32 with the normative reference GB/T 9254.1, which is in line with the actual reference in this document to adapt to our National technical conditions, increase operability (see 31.3.3); --- Replaced IEC 60127 (all parts) with the normative reference GB/T 9364 (all parts), in line with the actual to adapt to my country's technical conditions and increase operability (see 101.2.2.2); --- Replaced IEC 61000-3-2 with the normative reference GB 17625.1, in line with the actual reference in this document, to adapt to my country's technical conditions and increased operability (see 31.3.2); --- The normative reference GB/T 17626.2 replaces IEC 61000-4-2, which is in line with the actual reference in this document. According to my country's technical conditions, increase operability (see Table 102, 31.2.5); --- Replaced IEC 61000-4-3 with the normative reference GB/T 17626.3, in accordance with the actual reference in this document, to apply According to my country's technical conditions, increase operability (see Table 102, 31.2.6, Table 106); --- Replaced IEC 61000-4-4 with the normative reference GB/T 17626.4, in accordance with the actual reference in this document, to apply According to my country's technical conditions, increase operability (see Table 102, 31.2.4); --- Replaced IEC 61000-4-5 with the normative reference GB/T 17626.5, in accordance with the actual reference in this document, to apply According to my country's technical conditions, increase operability (see Table 102, 31.2.3); --- Replaced IEC 61000-4-6 with the normative reference GB/T 17626.6, in accordance with the actual reference in this document, to apply According to my country's technical conditions, increase operability (see Table 102, 31.2.7); --- Replaced IEC 61000-4-8 with the normative reference GB/T 17626.8, in accordance with the actual reference in this document, to apply According to my country's technical conditions, increase operability (see Table 102, 31.2.8); --- The normative reference GB/T 17626.11 replaces IEC 61000-4-11, which is consistent with the actual reference in this document. Adapt to my country's technical conditions and increase operability (see Table 102, 31.2.2); --- Changed the minimum wire size marking requirements for connecting USB power supply and special terminals to adapt to my country's technical conditions and increase Operability (see 8.101); --- With reference to GB/T 2099.1-2021, 9.3 of IEC 60884-3-1.2021 has been deleted to increase operability (IEC 60884-3-1. 9.3 of 2021); --- Added 1mm probe test requirements to adapt to my country's technical conditions and increase operability (see 10.1); --- Changed "see Figure 8" in 10.7 of IEC 60884-3-1.2021 to "see Figure 10 of GB/T 2099.1-2021" to increase operability Sexual activity (see 10.7); --- Changed the "minimum size" requirement for the wires connected to the terminals and ends to "minimum cross-sectional area" to adapt to my country's technical conditions. parts, increase operability (see Chapter 12); --- Changed the insulation resistance test requirements when connected to USB power supply, and modified "between SELV circuits" to "between different SELV circuits” to adapt to my country’s technical conditions and increase operability (see 17.101); --- Increased the temperature rise requirements for USB power supplies that use power derating measures to adapt to my country's technical conditions and increase operability (see Chapter 19); --- Added normal operation requirements and test methods for USB interfaces to adapt to my country's technical conditions and increase operability (see No. 21 chapter); --- Added the requirements for USB power supply on the extension cord socket used to draw power from the discharge system of electric vehicles to adapt to my country's technical conditions parts, increase operability (see 24.101.5); --- Changed Appendix AA to a normative appendix to adapt to my country's technical conditions and increase operability (see Appendix AA). The following editorial changes were made to this document. --- According to the referenced provisions of GB/T 2099.1-2021, Table 1 in IEC 60884-3-1.2021 is changed to Table B.1, IEC 60884- 3-1.2021 7.2.1.2 is changed to 7.2.1, IEC 60884-3-1.2021 10.4 is changed to 10.3, IEC 60884-3-1.2021 17.2.1 is changed to 17.2.2, 19.1 in IEC 60884-3-1.2021 is changed to 19.2, Note 2 in Chapter 21 of IEC 60884-3-1.2021 Change to Note 4, Table 22 in IEC 60884-3-1.2021 to Table 20, Table 23 in IEC 60884-3-1.2021 to Table 21, to add Operability (see Table B.1, 7.2.1, 10.3, 17.2.2, 19.2, Note 4 to Chapter 21, Table 20, Table 21); --- Deleted the notes in IEC 60884-3-1.2021 that are not applicable to my country (see 6.101, 8.101 in IEC 60884-3-1.2021) Note); --- ISO 306 is replaced by the informative reference GB/T 1633 to increase operability (see Chapter 19); --- IEC 60085 is replaced by the informative reference GB/T 11021 to increase operability (see Chapter 19); --- Replaced IEC 61032 with the informative reference GB/T 16842 to increase operability (see Chapter 19 and Chapter 24); --- Adjust Note 6 of Chapter 21 of IEC 60884-3-1.2021 to the main text to increase operability (see Chapter 21, Note 6 to IEC 60884-3-1.2021); --- Replaced IEC 60715 with the informative reference GB/T 19334 to increase operability (see 31.2.4); --- Added notes on USB shielded cables to adapt to my country's technical conditions and increase operability (see 31.1); --- Added the note of variable resistor or switchable resistor to adapt to my country's technical conditions and increase operability (31.1). 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 was proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Electrical Accessories Standardization Technical Committee (SAC/TC67). This document was drafted by. China Electric Power Research Institute Co., Ltd., Qingmi (Beijing) Technology Co., Ltd., Weikai Certification and Testing Co., Ltd. Ltd., Ningbo Bull Electric Co., Ltd., Jiangsu Tongling Technology Co., Ltd., Hangzhou Hongyan Electric Co., Ltd., Zhejiang Chint Building Electric Co., Ltd. Limited Company, Shenzhen Huntkey Chiyuan Electric Co., Ltd., Shenzhen Baseus Technology Co., Ltd., Guangdong Dangjia Intelligent Appliance Co., Ltd., Guangdong Pisen Electronics Co., Ltd., Ningbo Lianggong Electric Co., Ltd., Bull Group Co., Ltd., Schneider Electric (China) Co., Ltd. Shenzhen Branch, Beijing ABB Low Voltage Electrical Equipment Co., Ltd., Siemens (China) Co., Ltd. Shanghai Branch, Zhejiang Delixi International Electric Co., Ltd., Legrand Intelligent Electrical (Huizhou) Co., Ltd., Weikai (Shenzhen) Testing Technology Co., Ltd., Guangdong Haobote Technology Co., Ltd. Ltd., Shandong Yaosi Intelligent Technology Co., Ltd., Wenzhou Guipai Electric Co., Ltd., Ningbo Bull Digital Technology Co., Ltd., Dongguan Jialv Electric Co., Ltd., Guangdong Lixiang Testing Technology Co., Ltd., Zhongshan Shidun Electric Co., Ltd., Simon Electric (China) Co., Ltd., China Quality Certification Center Co., Ltd., Dongguan Shilong Fuhua Electronics Co., Ltd., Hangzhou Junyue Technology Co., Ltd., Guangdong Zhongke Electric Technology Co., Ltd. Limited Company, Yiwu Jinglong Mould Co., Ltd., Shenzhen Wattyuan Testing and Research Co., Ltd., Zhejiang Jienuo Electric Co., Ltd., Jiangsu Lianshengxin Technology Co., Ltd., Guangzhou Xuzhiyuan Technology Co., Ltd., Hunan Jushen Electronics Co., Ltd., Ningbo Ouzhi Electric Technology Co., Ltd., Guangdong Zhongren South China Testing Technology Co., Ltd., Guangdong Liansheng Conductivity Technology Co., Ltd., Jiangxi Luoxin Technology Co., Ltd., Ningbo Xichuang Nick Electronic Technology Co., Ltd. The main drafters of this document are. Cai Jun, Lin Haifeng, Jia Yuehui, Sun Ting, Xu Menjun, Chen Heng, Yue Zhibin, Zhang Mei, Zhao Ru, Yang Huajun, Zhao Wu, Jiang Huixing, Zhu Xuri, Luo Temiao, Huang Zhiwen, Pan Yan, Wang Feng, Xu Zhuang, Liu Yang, Zhou Xiancai, Zhang Chuihu, Liu Jian, Wang Zhewei, Xie Desheng, Dong Yuezuan, Wang Feng, Dong Jianzhang, Wang Biao, Qiao Cheng, Zhang Zhiyu, Li Hongkuo, Wei Hua, Liu Shuiqiang, Huang Zitian, Hu Sunyue, Lin Shifeng, Gong Lihua, Luo Yongjin, Zheng Xiaofeng, Zhu Weifeng, Yan Hua, Wang Xiaoliang, Zhao Zhixing, Xia Jianan, Qiu Hong, Liu Yue, Wu Zhibo, Hong Junbiao, He Junjun, Zheng Kaiwei, Zhan Haifeng.IntroductionThe "Plugs and Sockets for Household and Similar Purposes" series of standards aims to standardize the technical requirements of plugs and sockets for household and similar purposes to ensure that users Safety during daily electricity use. This series of standards needs to be consistent with GB 1002 "Types and basic parameters of single-phase plugs and sockets for household and similar purposes" Use with Size. "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. --- Plugs and sockets for household and similar purposes Part 31.Particular requirements for sockets equipped with USB power supplies. The purpose is to standardize the installation Technical requirements for anti-electric shock protection, grounding measures, structure, mechanical strength, electrical performance, etc. of sockets with USB power supply. GB 4943.1 specifies the safety requirements for USB power supplies, but does not specify the life of the output interface of the USB power supply during normal use. life, as well as the temperature rise and plug-in force requirements after the life, such as the sockets with USB power used in hotels or airports, and the sockets in public areas The USB power output interface of the USB power socket installed on furniture or desktop is damaged after long-term or repeated insertion and removal. This document is based on the user end and is modified to adopt IEC 60884-3-1.2021 according to my country's technical conditions, adding Reliability requirements for the USB power output interface. This document can provide guidance for the design, production and testing of socket products equipped with USB power, and improve the technical performance and safety of the products. Reliability, ensuring the safety of electricity use for the people. Plugs and sockets for household and similar purposes Part 31.Particular requirements for socket-outlets equipped with USB power supplies1 ScopeThis chapter of GB/T 2099.1-2021 is applicable after the following modifications. Replace paragraph 2 with the following. This document applies to indoor or outdoor use, household and similar purposes, only for alternating current, rated voltage above 50V but not exceeding A fixed or mobile socket with a voltage of more than 440V, a rated current not exceeding 32A, with or without a grounding contact, and equipped with a USB power supply. This document gives the safety and EMC requirements for socket-outlets equipped with USB power supplies. This document does not cover USB technical parameters, performance and size requirements; these are described in the relevant parts of IEC 62680.2 Normative referencesThe contents of the following documents constitute 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. This chapter of GB/T 2099.1-2021 is applicable after the following modifications. Increase. GB/T 2423.55 Environmental testi...... |
