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GB/T 4706.8-2024: Safety of household and similar electrical appliances - Part 8: Particular requirements for blankets, pads, clothing and similar flexible heating appliances
Status: Valid GB/T 4706.8: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4706.8-2024 | English | 994 |
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Safety of household and similar electrical appliances - Part 8: Particular requirements for blankets, pads, clothing and similar flexible heating appliances
| Valid |
GB/T 4706.8-2024
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| GB 4706.8-2008 | English | 814 |
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Household and similar electrical appliances -- Safety -- Particular requirements for blankets, pads and similar flexible heating appliances
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GB 4706.8-2008
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| GB 4706.8-2003 | English | RFQ |
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Safety of household and similar electrical appliances Particular requirements for blankets, pads and similar flexible heating appliances
| Obsolete |
GB 4706.8-2003
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| GB 4706.8-1986 | English | RFQ |
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Safety of household and similar electrical appliances--Particular requirements for electrically heated blankets, pads and mattresses
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GB 4706.8-1986
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PDF similar to GB/T 4706.8-2024
Basic data | Standard ID | GB/T 4706.8-2024 (GB/T4706.8-2024) | | Description (Translated English) | Safety of household and similar electrical appliances - Part 8: Particular requirements for blankets, pads, clothing and similar flexible heating appliances | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y03 | | Classification of International Standard | 13.120 | | Word Count Estimation | 50,553 | | Date of Issue | 2024-07-24 | | Date of Implementation | 2026-08-01 | | Older Standard (superseded by this standard) | GB 4706.8-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 4706.8-2024: Safety of household and similar electrical appliances - Part 8: Particular requirements for blankets, pads, clothing and similar flexible heating appliances
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GB/T 4706.8-2024 English version. Safety of household and similar electrical appliances - Part 8.Particular requirements for blankets, pads, clothing and similar flexible heating appliances
ICS 13.120
CCSY03
National Standard of the People's Republic of China
Replaces GB 4706.8-2008
Published on July 24, 2024, implemented on August 1, 2026
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 General requirements 4
5 General conditions for testing 4
6 Categories 5
7 Markings and instructions 5
8 Protection against contact with live parts 7
9 Starting of electrical appliances 7
10 Input power and current 7
11 Fever 7
12 Empty Chapter 9
13 Leakage current and electrical strength at operating temperature 9
14 Transient overvoltage 10
15 Moisture resistance 10
16 Leakage current and electrical strength 10
17 Overload protection of transformers and related circuits 11
18 Durability11
19 Abnormal working conditions11
20 Stability and mechanical hazards 13
21 Mechanical strength 13
22 Structure 18
23 Internal wiring 19
24 Element 19
25 Power connection and external cord 20
26 Terminal block for external conductor 20
27 Grounding measures 20
28 Screws and connections 20
29 Clearances, creepage distances and solid insulation 21
30 Heat and flame retardant 21
31 Rust prevention 22
32 Radiation, toxicity and similar hazards 23
Appendix 32
Appendix A (Informative) Routine Test 33
Appendix AA (normative) Specific instructions for thermal insulation materials 34
Appendix BB (Normative) Electric Blanket Mechanical Strength Test Device 35
Appendix CC (Normative) Electric Heating Clothes 38
Reference 41
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 8 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 4706.8-2008 "Safety of electric blankets, heating pads and similar flexible heating appliances for household and similar electrical appliances"
Compared with GB 4706.8-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Added relevant instructions for electric heating clothes and their test requirements. "Apparatus that may still cause danger to the public" also falls within the scope of this document
Description of the scope (see Chapter 1);
--- Deleted the definition of PTC heating element (see 3.8.4 of the.2008 edition), and added the definition of "PTC characteristic heating element" (see
3.117);
--- Deleted the requirements for rated voltage of Class III appliances (see 6.1 of the.2008 edition);
--- Changed the requirements for marking (see 7.1, 7.6, 7.14, 7.15, 7.1, 7.6, 7.14, 7.15 of the.2008 edition);
--- Changed the requirements for instructions for use (see 7.12, 7.12 of the.2008 edition);
--- Changed the requirements for thermal shock test (see 11.101, 11.101 of the.2008 edition);
--- Added test requirements for washable appliances, switches or controllers (see 15.101);
--- Added the requirement of "removing covering" (see 19.102);
--- Deleted the structural requirements for automatic reset and conductive fabrics in the.2008 edition, and added electric heating cloaks and electric heating pads and connections to soft
Structural requirements for flexible cords of sexual components (see 22.114, 22.116, 22.110, 22.114 of the.2008 edition);
--- Deleted the requirement of "natural rubber sheathed cord cannot be used" (see 25.7 of the.2008 edition);
--- Added Figure 114, deleted Figures 105, 106, 107 and 112 of the.2008 edition (see Figure 114,.2008 edition
Figure 105, Figure 106, Figure 107, Figure 112);
--- Added temperature rise requirements for electric heating clothing (see Appendix AA);
--- Added relevant requirements and test methods for electric heating clothing (see Appendix CC).
This document is equivalent to IEC 60335-2-17.2019 "Safety of Household and Similar Electrical Appliances Part 2-17.Electric Blankets, Electric Heaters
Particular requirements for heating pads, electric heating garments and similar flexible heating appliances.
The following minimal editorial changes were made to this document.
--- The name of the standard is changed to "Safety of Household and Similar Electrical Appliances Part 8.Electric Blankets, Heating Pads, Electric Clothes and Similar Flexible
Special requirements for heating appliances" to enhance the coordination of the standard system.
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., China Household Electrical Appliances Research Institute, Chengdu Product Quality Inspection Institute
Institute Co., Ltd., Chengdu Rainbow Electric (Group) Co., Ltd., Weikai Testing Technology Co., Ltd., Zhejiang Quality Inspection Science Co., Ltd.
Research Institute, Ningbo Kanghong Electric Co., Ltd., Qingdao Qindao Electric Co., Ltd., Zunyi Aerospace Electric Co., Ltd., Shijiazhuang Mengjie Industrial Co., Ltd.
Co., Ltd., Shanghai Jianjian Electric Wire and Electrical Appliance Co., Ltd., Shanghai Xiaomianyang Electric Appliance Co., Ltd., Shanghai Caiyang Electric Blanket Co., Ltd., Shijiazhuang Wang
Feng Electric Co., Ltd., Guizhou Caiyang Electric Heating Technology Co., Ltd., Chengdu Rainbow Environmental Protection Technology Co., Ltd., Guangdong Midea Environmental Appliance Manufacturing Co., Ltd.
Co., Ltd., Zhenjiang Dongfang Electric Heating Technology Co., Ltd., Guangdong Meimei Innovation Electric Co., Ltd., and Jilin Product Quality Supervision and Inspection Institute.
The main drafters of this document are. Ling Honghao, Ge Fengliang, Yang Chunyao, Liu Bin, Chen Cankun, Zhao Qi, Liu Jinghai, Yu Mengmeng, Zhang Jing, Fu Peng,
Liu Jianping, Jin Bingqi, Fu Xingtao, Wang Feng, Liang Xi, Liu Lin, Wang Zemei, Tan Wei, Xu Yuanshui, Wang Qiwu, Huang Xiaobing, Wu Songbo.
The previous versions of this document and the documents it replaces are as follows.
---First issued in 1986 as GB 4706.8-1986, first revised in.2003, second revised in.2008;
---This revision is the third revision.
Introduction
GB/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 GB/T 4706.1-2024 "Safety of Household and Similar Electrical Appliances - Part 1.General Requirements"
The corresponding clauses in the "Requirements" shall apply to this document; for the parts marked "replace" in this document, the clauses in this document shall prevail;
The "Add" part indicates that in addition to complying with the corresponding clauses in GB/T 4706.1-2024, the additional clauses in this document must also be complied with.
Clause; The part marked "modified" in this document indicates that the corresponding clauses of GB/T 4706.1-2024 are modified.
Safety of household and similar electrical appliances
Part 8.Electric blankets, heating pads,
Special requirements for electric heating clothing and similar flexible heating appliances
1 Scope
This chapter of GB/T 4706.1-2024 is replaced by the following.
This document specifies electric blankets, heating pads, electric heating clothing and other flexible appliances for heating beds or human bodies for household and similar purposes
safety requirements.
This document applies to appliances with a rated voltage not exceeding 250 V.
This document also applies to control devices supplied with the appliance.
This document also applies to appliances used in general household applications, but which may still cause danger to the public, for example, in beauty salons and in cold ambient temperatures.
Utensils used.
Requirements and tests for electrically heated clothing are given in Annex CC.
As far as practical, the common hazards presented by the various appliances covered by this document are those of all persons in or around the home.
This document does not cover.
---The following groups (including children).
● due to physical, sensory or mental impairment; or
● Lack of experience and knowledge prevents them from using the equipment safely without supervision or instruction.
--- Condition of children's play equipment.
Note 101.A child is considered to be old enough to use the appliance without supervision when he or she has received adequate instruction from a parent or guardian and is considered capable of using the appliance safely.
Use the appliance without the tube.
Note 102.Pay attention to the following.
--- For equipment used in vehicles, ships or aircraft, additional requirements may be required;
--- National management departments may impose additional requirements on equipment.
Note 103.This document does not apply to.
--- Apparatus used in special environments where corrosive or explosive gases (such as dust, steam or methane) are often produced;
--- Rigid bed heaters, such as beds made of metal or ceramic materials;
--- Water bed heater (GB/T 4706.58);
--- Electric heaters for animal breeding and feeding (GB/T 4706.47);
--- Foot warmers and heated foot pads (GB/T 4706.80);
--- Special equipment used by personnel in medical monitoring (IEC 60601-2-35).
2 Normative references
Except for the following contents, this chapter of GB/T 4706.1-2024 applies.
Increase.
IEC 60320-1.2007 Appliance couplers for household and similar purposes Part 1.General requirements
householdandsimilargeneralpurposes-Part 1.Generalrequirements)
Note. GB/T 17465.1-2009 Appliance couplers for household and similar purposes Part 1.General requirements (IEC 60320-1.2007, MOD)
ISO 2439 Flexible cellular polymeric materials - Determination of hardness (indentation method) [Flexible celular polymeric materials - De-
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