GB/T 4706.99-2024 English PDFUS$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 4706.99-2024: Safety of household and similar electrical appliances - Part 99: Particular requirements for thermal-storage hand warmers Status: Valid GB/T 4706.99: Historical versions
Basic dataStandard ID: GB/T 4706.99-2024 (GB/T4706.99-2024)Description (Translated English): Safety of household and similar electrical appliances - Part 99: Particular requirements for thermal-storage hand warmers Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Y63 Classification of International Standard: 13.120 Word Count Estimation: 18,116 Date of Issue: 2024-07-24 Date of Implementation: 2026-08-01 Older Standard (superseded by this standard): GB 4706.99-2009 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 4706.99-2024: Safety of household and similar electrical appliances - Part 99: Particular requirements for thermal-storage hand warmers---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/T 4706.99-2024 English version. Safety of household and similar electrical appliances - Part 99.Particular requirements for thermal-storage hand warmers ICS 13.120 CCSY63 National Standard of the People's Republic of China Replaces GB 4706.99-2009 Released on 2024-07-24 2026-08-01 implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General requirements 2 5 General conditions for testing 2 6 Categories 2 7 Markings and instructions 2 8 Protection against contact with live parts 3 9 Starting of electrical appliances 3 10 Input power and current 4 11 Fever 4 12 Empty Chapter 4 13 Leakage current and electrical strength at operating temperature 4 14 Transient overvoltage 4 15 Moisture resistance 4 16 Leakage current and electrical strength 4 17 Overload protection of transformers and related circuits 4 18 Durability 5 19 Abnormal working 5 20 Stability and mechanical hazards 5 21 Mechanical strength 5 22 Structure 6 23 Internal Wiring 6 24 Components 6 25 Power connection and external cord 7 26 Terminals for external conductors 7 27 Grounding measures 7 28 Screws and connections 7 29 Clearances, creepage distances and solid insulation 7 30 Heat and flame resistance 7 31 Rust prevention 7 32 Radiation, toxicity and similar hazards 7 Appendix 9 Reference 10ForewordThis 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 99 of GB/T 4706 "Safety of Household and Similar Electrical Appliances". GB/T 4706 has been published as follows part. --- Part 1.General requirements; --- Part 2.Particular requirements for electric irons; --- Part 121.Particular requirements for professional ice cream machines. This document replaces GB 4706.99-2009 "Particular requirements for safety of heat storage electric hand warmers for household and similar electrical appliances" and Compared with GB 4706.99-2009, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The definitions of hard shell heat storage electric hand warmer and flexible heat storage electric hand warmer have been deleted (see 3.103 and 3.104); b) Added a symbol equivalent to the text “No Overwriting” (see 7.1); c) Added the warning “Do not add heat storage liquid medium by yourself” (see 7.12); d) Added regulations on the location of markings on heat storage electric hand warmers (see 7.15); e) Deleted the content of flexible heat storage electric hand warmers that users can add liquid to (see 19.2 of the.2009 edition); f) The mechanical strength requirements for flexible hand warmers and the corresponding test devices have been deleted (see 21.102 and Appendix AA of the.2009 edition); g) Added the description of the test after the heat storage process (see 21.103); h) The structure of the heat storage electric hand warmer should be such that the user cannot add the heat storage liquid medium by himself (see 22.104); i) Added the provision that it does not apply to removable outer jackets (see 22.44); j) Changed the requirements for the application and testing of non-self-resetting thermal circuit breakers (see 24.101,.2009 edition 24.101); k) Added the permission for Z-type power cord connection (see 25.5); l) The flame retardancy requirements and test methods for flexible materials have been deleted [see 30.101, Figure 103 and Figure 103a) of the.2009 edition]. 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 China Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Household Electrical Appliances (SAC/TC46). This document was drafted by. China Electric Power Research Institute Co., Ltd., Chengdu Rainbow Electric (Group) Co., Ltd., Wuhan Product Quality Supervision and Inspection Institute, Anhui Product Quality Supervision and Inspection Institute, Longyan Jinshiyu Electronics Co., Ltd., Foshan Shunde Jiacheng Electronics Co., Ltd. Co., Ltd., Qingdao Qindao Electric Co., Ltd., Weikai Testing Technology Co., Ltd., Fujian Product Quality Inspection Institute, China Home Furnishing Institute (Beijing) Testing and Certification Co., Ltd., Weike Certification and Testing Co., Ltd. The main drafters of this document are. Xing Jun, Cheng Liang, Guo Yaling, Xuan Ping, Xiao Yujin, Guan Mingjia, Yu Mengmeng, Wu Min, Chen Cankun, Xu Qiaoyun, Zhang Limin, Jian Pengfei and Dong Lei. The previous versions of this document and the documents it replaces are as follows. ---First published in.2009 as GB 4706.99-2009; ---This is the first revision.IntroductionGB/T 4706 "Safety of Household and Similar Electrical Appliances" adopts most of IEC 60335.On this basis, GB/T 4706 refers to The structure of IEC 60335 is divided into several parts, consisting of general requirements and special requirements. Part 1 is general requirements, and the other parts are For products covered by special requirements, their safety requirements are general requirements used in combination with the special requirements. The requirements include supplements and modifications to the corresponding clauses in the general requirements to provide complete requirements for each product. This document is the protection requirements for electrical, mechanical, thermal, fire and radiation risks when the appliance is used normally in accordance with the instructions. This document also covers abnormal conditions that may occur during use and considers how electromagnetic interference may affect the safe operation of the equipment. This document has taken into account the requirements specified in GB/T 16895 "Low Voltage Electrical Installations". The appliance is connected to the power supply in accordance with the electrical wiring rules. requirements are coordinated. If multiple functions of an appliance involve other parts of GB/T 4706, the other parts shall apply to the appliance separately as long as it is reasonable. Each function. If applicable, consider the impact of one function on other functions. When no additional requirements are given in other parts for hazards already included in this document, GB/T 4706.1 applies. GB/T 4706 is a standard covering appliance safety and takes precedence over general standards/horizontal standards covering the same subject. This document is used in conjunction with GB/T 4706.1-2024 "Safety of Household and Similar Electrical Appliances Part 1.General Requirements". The part marked "applicable" in the document indicates that the corresponding clauses in GB/T 4706.1-2024 are applicable to this document; the part marked "replaces" in this document indicates that the corresponding clauses in GB/T 4706.1-2024 are applicable to this document. For the parts marked as "added" in this document, in addition to complying with GB/T 4706.1-2024, the provisions in this document shall prevail. In addition to the corresponding clauses, the clauses added in the clauses of this document must also be complied with; the part of this document marked "modified" means that in GB/T 4706.1- The relevant provisions of 2024 will be modified. Safety of household and similar electrical appliances Part 99.Particular requirements for thermal storage electric hand warmers1 ScopeThis chapter of GB/T 4706.1-2024 is replaced by the following. This document specifies the safety requirements for heat storage electric hand warmers and similar appliances for household and similar purposes. This document applies to appliances with a rated voltage not exceeding 250 V and also to controlgear supplied with the appliances. This document deals with appliances that present common hazards that are encountered by all people in and around the home. However, generally speaking this document does not take into account the following situations. --- The following groups of people (including children) cannot use the appliance safely without supervision or guidance. ● due to physical, sensory or mental impairment; or ● Due to lack of experience and knowledge. --- Children's play equipment. Note 101.Pay attention to the following. --- For equipment intended for use in vehicles, ships or aircraft, additional requirements may be required; --- National management departments may impose additional requirements on equipment. Note 102.This document does not apply to. --- Appliances intended for use in special environments where corrosive or explosive gases (e.g. dust, steam or methane) are often produced; --- Electric blankets, heating pads and similar flexible heating appliances (GB/T 4706.8); --- Electric heaters for animal breeding and feeding (GB/T 4706.47); --- Foot warmers and heated foot pads (GB/T 4706.80); ---Non-heat storage electric hand warmers; ---Specialized equipment used by personnel in medical monitoring (YY9706.235).2 Normative referencesExcept for the following contents, this chapter of GB/T 4706.1-2024 applies. Increase. GB/T 2893.1 Graphic symbols, safety colors and safety signs Part 1.Design principles for safety signs and safety markings GB/T 5465.2-2008 Graphical symbols for electrical equipment Part 2.Graphical symbols3 Terms and definitionsExcept for the following contents, this chapter of GB/T 4706.1-2024 applies. 3.1.9 Replaces. Normal operation The appliance operates under the following conditions. --- Place the heat storage electric hand warmer horizontally or as required by the instructions and connect it to the power supply. When all heating elements are de-energized for the first time, disconnect the power supply. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 4706.99-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 4706.99-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 4706.99-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4706.99-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
