GB/T 4706.57-2024_English: PDF (GB/T4706.57-2024)
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Standard ID | GB/T 4706.57-2024 (GB/T4706.57-2024) | Description (Translated English) | Safety of household and similar electrical appliances - Part 57: Particular requirements for floor treatment machines and wet scrubbing machines | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | K09 | Classification of International Standard | 13.120 | Word Count Estimation | 14,135 | Date of Issue | 2024-07-24 | Date of Implementation | 2026-08-01 | Older Standard (superseded by this standard) | GB 4706.57-2008 | Drafting Organization | China Household Electrical Appliance Research Institute, Lake Electric Co., Ltd., Jiangsu Midea Cleaning Appliance Co., Ltd., Qingdao Haier Smart Life Appliance Co., Ltd., Ningbo Jinlong Electric Appliance Co., Ltd., Qingdao Yunlu New Energy Technology Co., Ltd., Zhejiang Provincial Institute of Inspection and Quarantine Science and Technology, China Household Electrical Appliance Research Institute (Beijing) Testing and Certification Co., Ltd. | Administrative Organization | National Technical Committee for Standardization of Household Electrical Appliances (SAC/TC 46) | Proposing organization | China Light Industry Federation | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | Standard ID | GB 4706.57-2008 (GB4706.57-2008) | Description (Translated English) | Household and similar electrical appliances. Safety. Particular requirements for floor treatment machines and wet scrubbing machines | Sector / Industry | National Standard | Classification of Chinese Standard | Y62 | Classification of International Standard | 97.080 | Word Count Estimation | 12,177 | Date of Issue | 2008-12-30 | Date of Implementation | 2010-03-01 | Older Standard (superseded by this standard) | GB 4706.57-2002 | Quoted Standard | GB 4706.1-2005 | Adopted Standard | IEC 60335-2-10-2002 (Ed5.0), IDT | Drafting Organization | China Household Electrical Appliances Research | Administrative Organization | National Standardization Technical Committee appliances | Regulation (derived from) | Announcement of Newly Approved National Standards No. 25 of 2008 (total 138) | Proposing organization | China Light Industry Federation | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | Summary | This Chinese standard refers to the rated voltage not exceeding 250V household and similar electrical floor treatment machines and wet scrubbing machines safely. Note 101: floor treatment machines are as follows: floor buffers, floor polishing machine, floor waxing machine. Note 102 | Standard ID | GB 4706.57-2002 (GB4706.57-2002) | Description (Translated English) | Safety of household and similar electrical appliances-- Particular requirements for floor treatment machines and wet scrubbing machines | Sector / Industry | National Standard | Classification of Chinese Standard | Y62 | Classification of International Standard | 97.08 | Word Count Estimation | 11,190 | Date of Issue | 2002/11/29 | Date of Implementation | 2003/8/1 | Adopted Standard | IEC 60335-2-10-1992, IDT | Regulation (derived from) | Announcement of Newly Approved National Standards No. 25 of 2008 (No. 138 overall) | Proposing organization | China Light Industry Federation | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China |
GB/T 4706.57-2024.Safety of household and similar electrical appliances Part 57.Particular requirements for floor treatment machines and wet scrubbing machines
GB/T 4706.57-2024 English version. Safety of household and similar electrical appliances - Part 57.Particular requirements for floor treatment machines and wet scrubbing machines
ICS 13.120
CCSK09
National Standard of the People's Republic of China
Replaces GB 4706.57-2008
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 IV
1 Range 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 2
9 Starting of electrical appliances 2
10 Input power and current 3
11 Fever 3
12 Empty Chapter 3
13 Leakage current and electrical strength at operating temperature 3
14 Transient overvoltage 3
15 Moisture resistance 3
16 Leakage current and electrical strength 3
17 Overload protection of transformers and related circuits 3
18 Durability 4
19 Abnormal working 4
20 Stability and mechanical hazards 4
21 Mechanical strength 4
22 Structure 4
23 Internal wiring 4
24 Components 5
25 Power connection and external cord 5
26 Terminals for external conductors 5
27 Grounding measures 5
28 Screws and connections 5
29 Clearances, creepage distances and solid insulation 5
30 Heat and flame resistance 5
31 Rust prevention 5
32 Radiation, toxicity and similar hazards 5
Appendix 6
Appendix C (Normative) Aging test on electric motors 7
References 8
Preface
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 57 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 4706.57-2008 "Safety of household and similar electrical appliances - Particular requirements for floor treatment machines and wet scrubbers"
Compared with GB 4706.57-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Changed the scope of this document to include situations where it is not applicable (see Chapter 1, Chapter 1 of the.2008 edition).
This document is equivalent to IEC 60335-2-10.2008 "Safety of Household and Similar Electrical Appliances Part 2-10.Floor Treatment Machines and
Particular requirements for wet scrubbing machines.
The following minimal editorial changes were made to this document.
--- The name of the standard was changed to "Safety of Household and Similar Electrical Appliances Part 57.Particular Requirements for Floor Treatment Machines and Wet Scrubbers"
Requirement” 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 Household Electrical Appliances Research Institute, Lake Electric Co., Ltd., Jiangsu Midea Cleaning Appliance Co., Ltd.,
Qingdao Haier Smart Life Appliance Co., Ltd., Ningbo Jinlong Electric Appliance Co., Ltd., Qingdao Yunlu New Energy Technology Co., Ltd., Zhejiang Provincial Inspection
Institute of Quarantine Science and Technology, China Institute of Testing and Certification (Beijing) Co., Ltd.
The main drafters of this document are. Lu Jianguo, Qin Weihua, Zhou Lei, Li Jian, Sheng Ri, Ma Nan, Shen Jinhuan, and Li Shanshan.
The previous versions of this document and the documents it replaces are as follows.
---First issued in.2002 as GB 4706.57-2002, first revised in.2008;
---This is the second 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 57.
Particular requirements for floor treatment machines and wet scrubbing machines
1 Scope
This chapter of GB/T 4706.1-2024 is replaced by the following.
This document covers the safety of electrically powered floor treatment machines and wet scrubbing machines for household and similar use.
This document applies to electric floor treatment machines and wet scrubbing machines for household and similar purposes, with a rated voltage not exceeding 250 V.
Note 101.Examples of floor treatment machines are as follows.
---Floor buffer;
---Floor polishing machine;
---Floor waxing machine.
Note 102.Examples of wet scrubbers are as follows.
---Floor scrubber;
---Carpet cleaning machine;
---Indoor cleaning machine.
Appliances not intended for normal household use but which may still be dangerous to the public, such as those used by laymen in shops, light industry and on farms
Apparatus used for this purpose are also included in the scope of this document.
NOTE 103 For example, appliances used in hotels, offices, schools, hospitals or similar settings.
As far as is practical, the hazards present in the appliances covered by this document are common to all persons who may be in the home and surrounding environment.
You will encounter it.
However, in general, this document does not consider.
---The following groups (including children).
● due to physical, sensory or mental impairment; or
● Due to lack of experience and knowledge
Circumstances that render them unable to use the equipment safely without supervision or instruction;
--- Condition of children's play equipment.
Note 104.Pay attention to the following.
--- For equipment intended for use in vehicles, ships or aircraft, additional requirements may be required;
--- National authorities may impose additional requirements on equipment.
Note 105.This document does not apply to.
--- Vacuum cleaners and water suction cleaning appliances (GB/T 4706.7);
---Industrial appliances;
--- Apparatus used in special environments, such as environments with corrosive or explosive gases (dust, steam or methane, etc.);
---Floor sandblasting machine.
2 Normative references
This chapter of GB/T 4706.1-2024 is applicable.
3 Terms and definitions
Except for the following contents, this chapter of GB/T 4706.1-2024 applies.
......
GB 4706.57-2008
Household and similar electrical appliances.Safety.Particular requirements for floor treatment machines and wet scrubbing machines
ICS 97.080
Y62
National Standards of People's Republic of China
Replacing GB 4706.57-2002
Household and similar electrical appliances - Safety
Particular requirements for floor treatment machines and wet scrubbing machines
(IEC 60335-2-10.2002 (Ed5.0), IDT)
Published 2008-12-30
2010-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Foreword
All technical contents of this section is mandatory.
GB 4706 "and similar household electrical appliances," it consists of several components, Part 1 General Requirements for the other parts of special
Claim.
This section is part of the 57 GB 4706. This section should be safe and GB 4706.1-2005 "Household and similar electrical appliances
Part 1. General Requirements, "with the use.
Stated in this section "applicable" section, it indicates that the corresponding terms in GB 4706.1 applicable to this section; this section states that "place"
Or "Edit" section, this section shall prevail; in this section indicate the "increase" portion, said to meet the appropriate bar in addition to GB 4706.1
Outside money, it should also comply with this part of the increase in provisions.
This section is equivalent to using IEC 60335-2-10.2002 "Household and Similar Electrical Appliances - Safety - Part 2-10. floor treatment machines and
Particular requirements for wet scrubbing machines "(version 5.0).
This special section instead of GB 4706.57-2002 "Household and Similar Electrical Appliances floor treatment machines and wet scrubbing machines
Claim".
The main difference between this part and GB 4706.57-2002 are.
--- 3.1.9 carpet cleaning machines work increases. tool moves back and forth at a rate of 10 cycles per minute, moving more than
1m;
--- 29.2 Addition. micro-environment pollution grade 3, except that the position of the appliance or insulating package is exposed in normal use impossible
Contamination of the environment;
--- Appendix C increased modification;
--- increased references.
This section was proposed by China Light Industry Federation.
This part of the jurisdiction of the National Standardization Technical Committee appliances (SAC/TC46).
This section is responsible for drafting by the Chinese Academy of household appliances.
This section participated in the drafting unit. China Academy of household appliances, household appliances National Quality Supervision and Inspection Center.
The main drafters of this section. Lu Jian, Zhu Yan, Xu Zhengang, Sun Peng, Yan Ling.
This section was first released in November 2002, this is the first revision.
IEC Foreword
1) The International Electrotechnical Commission (IEC ) is an international scope by all national Electrotechnical Commission (IEC NC) consisting of standardization organizations.
Its purpose is to promote international cooperation on all questions concerning standardization in the electrical and electronic fields. For this reason, IEC carry out related activities,
And publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specification (PAS), Guide (hereinafter collectively referred to as the IEC publication).
These standards entrusted to technical committees. Any IEC National Committee interested in the subject dealt with may
Participate in this preparation. IEC linked with international, governmental and non-governmental organizations may also participate in the development of standards. IEC
In close cooperation with the International Organization for Standardization (ISO ) on the basis of the agreement the two organizations.
2) IEC technical aspects of formal decisions or agreements, by all countries interested to participate in the Commission of its Technical Committee
Given. Therefore, these decisions or agreements are expressed as related issues consensus in the international arena.
3) IEC standard manner recommended for international use and are accepted by the National Committees in that sense. In order to ensure that the IEC
When the accuracy of the technical content of the publication and make any reasonable effort to IEC standards is their most used and any
End-user is not responsible for the misunderstanding.
4) In order to promote international unification, National Committees to ensure maximum use of international standards in their national or regional standards
quasi. IEC standards corresponding to any difference between the national or regional standard must make clear that in the latter.
5) IEC provides no marking to indicate its approval procedures, but does not mean any equipment declared to comply with certain criteria to take responsibility.
6) All users should ensure that they have the latest version of this standard.
7) IEC or its managers, employees, agents or support staff (including members of the Independent Expert and Technical Commission) and IEC National Committee
Members will not deal with the use of any personal injury or rely on this publication or other IEC IEC publication caused property damage or
This publication costs other than direct or indirect loss, or from any of his property (including legal fees) and expenses responsibility.
8) It should be noted in this section are listed reference standard (normative references). For proper use of this section is concerned, the use of references
Standard (Normative references) is indispensable.
Content 9) should be noted that certain provisions of this International Standard may involve patent rights, IEC will not be liable to confirm the patent.
This section formulated by IEC technical committee 61 "Household and similar electrical appliances."
Fifth edition cancels and replaces the fourth edition published in 1992. It has been technically revised.
This section 60335 is based on the following documents.
FDIS Report on voting
61/2201/FDIS 61/2282/RVD
Voted to approve the voting report all information in this section can be listed in the above table are found.
This section with the latest version of IEC 60335-1 and its amendments pieces used in conjunction. This part is based on the 4th edition IEC 60335-1
(2001) developed.
Note 1. "first portion" mentioned in the standard refers to the content according to IEC 60335-1.
This part additions and modifications IEC 60335-1 corresponding terms, thereby converted into IEC standard. Safety requirements for floor treatment machines wet scrubbing machines.
IEC 60335-1 not mentioned in the terms of this section, as long as reasonable, can be used. This section "addition", "Edit" or "replacement" place, this part
The relevant provisions amended accordingly.
Note 2. The following numbering.
--- increase, in the first part of the terms, tables, charts, starting from 101;
--- In addition to the new provisions of the Notes and related to the first part of the comment, other numbers should be starting from 101, including those sections are replaced with
Terms;
--- additional annexes letters AA, BB and so marked.
Note 3. The following font indicates.
--- Requirements. Printed;
--- testing procedures. italic;
--- Note. lowercase printed.
Part 3 is defined by a chapter in bold. If you define the content when it comes to an adjective, the adjective and the associated noun are also in bold.
The Commission decided that the content of this section is not changed until 2004, in this period will be standard
● reconfirmed;
● Undo;
● be replaced by a revised version of the standard;
● been corrected.
The following differences exist in some countries.
--- 3.1.9. polishing floor treatment machines working in the mixing ceramic surface. Indoor cleaning machine work (the United States) under load.
--- 6.1. or a household appliance should Ⅱ Ⅲ type (Sweden).
introduction
It has been assumed in the drafting of this section, a person appropriately qualified and experienced to implement the provisions of this section.
This portion is recognized that the use of household electrical appliances and the like under normal conditions noted when the manufacturer's instructions for the appliance
An acceptable level of risk international protection of electrical, mechanical, thermal, radiation and fire, it also includes the use may be expected to occur
Abnormal circumstances, and in view of electromagnetic interference affect the way for the safe operation of the appliance.
In developing this part has been as much as possible into account the requirements of GB 16895 in order to make electrical appliances when connecting to the grid
Gas wiring rules requires coordinated.
If a number of functions related to the appliance GB 4706 series of standards in different specific requirements, as far as is reasonable in the circumstances
, The relevant part of the standard requirements of the special function to be applied to each respectively. If applicable, should take into account a feature of other functions
influences.
This part is a matter of security appliance product family standards, and standards covering at the same level as in the same category and the same subject
In priority.
An appliance that complies text of this section, when examined and tested, found to have other features that will be covered by the requirements of this damage
And when the level of security, it will not be considered to comply with the safety guidelines in this section.
Product use various materials or various forms of structures other than specified in this part, this may be the product according to the present section
The intent of these requirements for inspection and testing. If found to be substantially equivalent, it can be determined which comply with this part.
Household and similar electrical appliances - Safety
Particular requirements for floor treatment machines and wet scrubbing machines
Range 1
GB 4706.1-2005 in this chapter replaced by the following.
This section relates to safety rated voltage not exceeding 250V of electric household and similar floor treatment machines and wet scrubbing machines.
101 Note. floor treatment as follows.
--- floor buffers;
--- floor polishing machine;
--- floor waxing machine.
102 Note. wet scrubbing machines as follows.
--- floor scrubbing machine;
--- carpet cleaning machines;
--- indoor washing machine.
Non-domestic use, but as long as the danger to the public, such as used by non-professionals in shops, in light industry and farm equipment, also package
Included within the scope of this part.
Note 103. for example, for use in hotels, offices, schools, hospitals or similar occasions appliances.
Common hazards presented by the appliances covered in this section, is in and around the home environments of all people may experience.
However, in general, this section does not cover.
--- unattended young children and people with disabilities danger of appliances;
--- children playing instruments situation.
104 Note. the fact that attention should.
--- intended for use on vehicles, vessels or aircraft equipment, additional requirements may be necessary;
--- the national health authorities, the national labor protection authorities, the national water supply authorities and similar authorities of the appliance defines
Additional requirements.
105 NOTE. This does not apply to.
--- vacuum cleaners and water suction cleaning appliance (GB 4706.7);
--- industrial appliances;
--- appliances used in special circumstances. For example, the presence of explosive gas or corrosive gases (dust, vapor or gas) environment;
--- floor sandblasting machine.
2 Normative references
This chapter in GB 4706.1-2005 is applicable.
3 Terms and Definitions
The following terms and definitions apply to this section.
GB 4706.1-2005 in this chapter except as follows, are applicable.
3.1.9 Replacement.
Instrument operating under the following conditions.
Floor treatment machine according to required specification installed hard floor brush, front-back rate of 15 cycles per minute on a polished steel sheet and move
Moving the moving distance greater than 1m.
101 Note. preventing plate heat, forced cooling can be carried out, but should be taken to ensure the flow of air does not affect the determination of temperature rise.
Thick floor scrubbing machine 25mm, width smooth untreated pine board 100mm running board is fixed to the bottom of the metal disk, the disk
Water are installed, the board level about 1mm above the surface. The instrument moving back and forth at a rate of 10 cycles per minute, the moving distance greater than 1m.
Carpet cleaning machine is running on a carpet, a metal disk secured to the bottom of dish filled with water, the water level below the carpet surface of about 3mm.
Carpet made from nylon fibers, pile height of about 6mm. Per minute at the appliance before and after 10 cycles of movement, movement distance is greater than
1m.
Appliance with liquid dispensing system is working as above, but the initial metal plate anhydrous, liquid distribution system which is working.
Indoor cleaning machines continuous operation, the rotary brush or the like but does not contact the decorative surface and any other surface, and the inlet water pipe should not be flat
Clogging, liquid dispensing system operating in the liquid container is unloaded.
4 General requirements
This chapter in GB 4706.1-2005 is applicable.
General conditions for 5 tests
This chapter in GB 4706.1-2005 is applicable.
Category 6
This chapter in GB 4706.1-2005 is applicable.
7 Marking and instructions
GB 4706.1-2005 in this chapter except as follows, are applicable.
7.12 Addition.
Manual tool with rotating brushes should be noted that if used in the power line to be dangerous.
Manual liquid dispensing appliance with a system should provide for the amount and type of liquid.
Instructions should be pointed out that the appliance should unplug it before cleaning and maintenance.
8 Protection against access to live parts
This chapter in GB 4706.1-2005 is applicable.
9 start electric appliances
GB 4706.1-2005 in this chapter does not apply.
Power input and current 10
This chapter in GB 4706.1-2005 is applicable.
11 fever
GB 4706.1-2005 in this chapter except as follows, are applicable.
11.7 Replacement.
Appliance run to the steady state.
Appliances with automatic reel, the first third of the total length of the cord out of operation 30min, then the power cords to pull
Out, keep running.
12 Void
Leakage current and electric strength at the operating temperature of 13
This chapter in GB 4706.1-2005 is applicable.
14 transient overvoltage
This chapter in GB 4706.1-2005 is applicable.
15 Moisture resistance
GB 4706.1-2005 in this chapter except as follows, are applicable.
15.2 Review.
For wet scrubbing machines, with predetermined specification used in detergent solution instead of salt solution.
increase.
Except for the following cases, wet scrubbing machines at rated voltage, operating under normal operating conditions 10min.
--- rate of movement of 15 cycles per minute;
--- water level.
● carpet cleaning machine below the carpet surface of about 1mm;
● wooden floor scrubbing machine above the floor surface of about 5mm.
16 Leakage current and electric strength
This chapter in GB 4706.1-2005 is applicable.
Overload protection of transformers and associated circuitry 17
This chapter in GB 4706.1-2005 is applicable.
18 Endurance
GB 4706.1-2005 in this chapter does not apply.
19 Abnormal operation
GB 4706.1-2005 in this chapter except as follows, are applicable.
19.7 Addition.
The appliance is operated 30s.
19.10 Addition.
101 Note. Run the brush tool does not contact any surface.
20 Stability and mechanical hazards
GB 4706.1-2005 in this chapter except as follows, are applicable.
20.1 increase.
101 Note. This requirement applies only to the portion with the liquid container.
20.2 increase.
101 Note. requirements for moving parts and is not suitable for an electric brush the like, nor to be accessible when the moving member changing accessories, e.g.
Drive shaft, and a member only when the electric brush or the like to the working movement.
21 Mechanical strength
This chapter in GB 4706.1-2005 is applicable.
22 Construction
GB 4706.1-2005 in this chapter except as follows, are applicable.
22.101 brushes with a single disk and more than 300W rated input power of the appliance, should be fitted to prevent the start of the power switch other than
Device.
Structure other appliances should be able to prevent accidental operation.
By visual inspection, the following tests and manually determine eligibility.
Prevents accidental starting of the test performed 6000 times, no damage should not comply with this part of the test, the appliance can continue
use.
Note 1. preventing that with the following starting off switch is automatically activated by the required compliance.
--- with a self-resetting interlock, or
--- additional means for preventing the use of.
● operating the appliance, or
● a storage location when the appliance handle, the brush connected with the motor.
Note 2. If the switch of the starter assembly in place, for example in a groove, it is unlikely that accidental operation.
Internal wiring 23
This chapter in GB 4706.1-2005 is applicable.
Element 24
This chapter in GB 4706.1-2005 is applicable.
25 and the external power connection cord
This chapter in GB 4706.1-2005 is applicable.
External terminal conductors 26
This chapter in GB 4706.1-2005 is applicable.
27 earthing
This chapter in GB 4706.1-2005 is applicable.
28 and screw connection
This chapter in GB 4706.1-2005 is applicable.
29 creepage distances and clearances solid insulation
GB 4706.1-2005 in this chapter except as follows, are applicable.
29.2 increase.
3 is a micro-environment pollution level, or a position such that the insulating package unless the appliance is exposed to possible contamination of the environment in normal use.
30 Resistance to heat and fire
GB 4706.1-2005 in this chapter except as follows, are applicable.
30.2.3 Not applicable.
31 rust
This chapter in GB 4706.1-2005 is applicable.
32 radiation, toxicity and similar hazards
This chapter in GB 4706.1-2005 is applicable.
appendix
GB 4706.1-2005 in Appendix except as follows, are applicable.
Appendix C
(Normative)
Aging tests carried out on the motor
modify.
references
Reference in GB 4706.1-2005 except as follows, are applicable.
increase.
Particular requirements for vacuum cleaners and similar GB 4706.7-2004 household electrical appliances and a water suction cleaning appliance
0.
2002.
01-
2-
EI/8002-
75.
......
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