IEC 60335-2-7:2024

IEC 60335-2-7 ®
Edition 9.0 2024-01
EXTENDED VERSION
INTERNATIONAL
STANDARD
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inside
This extended version of IEC 60335-2-7:2024 includes the content of the references made to
IEC 60335-1:2020
Household and similar electrical appliances – Safety –
Part 2-7: Particular requirements for washing machines

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IEC 60335-2-7 ®
Edition 9.0 2024-01
EXTENDED VERSION
INTERNATIONAL
STANDARD
colour
inside
This extended version of IEC 60335-2-7:2024 includes the content of the references made to
IEC 60335-1:2020
Household and similar electrical appliances – Safety –
Part 2-7: Particular requirements for washing machines
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 13.120, 97.060 ISBN 978-2-8322-8215-1

IEC 60335-1:2020/ISH1:2021 – 1 –
© IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
IEC 60335-1
Edition 6.0  2020-09
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY –

Part 1: General requirements
INTERPRETATION SHEET 1
This interpretation sheet has been prepared by IEC technical committee 61: Safety of
household and similar electrical appliances.
The text of this Interpretation Sheet is based on the following documents:
Draft Report on voting
61/5999/DISH 61/6009/RVDISH
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
___________
INTRODUCTION
Edition 6 of IEC 60335-1:2020 defines and introduces requirements for a detachable
power supply part of an appliance. In the document, 24.2 prohibits the use of a power
supply in a flexible cord.
QUESTION:
Does Subclause 24.2 prohibit the use of a detachable power supply part?
ANSWER
No, a "detachable power supply part" is a defined term and is not captured by the term
"power supply" as used in Subclause 24.2.
NOTE A detachable power supply part is captured by the defined term when the output of the power supply
part is detachable from the class III construction part of the appliance at:
– the power supply part, or
– the class III construction part of the appliance.
However, the supply cord (if any) does not have to be detachable from the detachable power supply part.
ICS 13.120; 97.030
IEC 60335-1:2020-09/ISH1:2021-11(en)

– 2 – IEC 60335-2-7:2024 EXV © IEC 2024
CONTENTS
FOREWORD . 6
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 11
3 Terms and definitions . 16
4 General requirement . 28
5 General conditions for the tests . 28
6 Classification . 33
7 Marking and instructions . 33
8 Protection against access to live parts . 42
9 Starting of motor-operated appliances . 44
10 Power input and current . 44
11 Heating . 46
12 Charging of metal-ion batteries . 54
13 Leakage current and electric strength at operating temperature . 55
14 Transient overvoltages . 58
15 Moisture resistance . 59
16 Leakage current and electric strength . 62
17 Overload protection of transformers and associated circuits . 64
18 Endurance . 64
19 Abnormal operation . 65
20 Stability and mechanical hazards . 77
21 Mechanical strength . 81
22 Construction . 83
23 Internal wiring . 98
24 Components . 100
25 Supply connection and external flexible cords . 105
26 Terminals for external conductors . 114
27 Provision for earthing . 116
28 Screws and connections . 118
29 Clearances, creepage distances and solid insulation . 120
30 Resistance to heat and fire . 129
31 Resistance to rusting . 134
32 Radiation, toxicity and similar hazards . 134
Annex A (informative) Routine tests . 148
Annex B (normative) Battery-operated appliances, separable batteries and detachable
batteries for battery-operated appliances . 150
Annex C (normative) Ageing test on motors . 171
Annex D (normative) Thermal motor protectors . 172
Annex E (normative) Needle-flame test . 173
Annex F (normative) Capacitors . 174
Annex G (normative) Safety isolating transformers . 176

Annex H (normative) Switches . 177
Annex I (normative) Motors having basic insulation that is inadequate for the rated
voltage of the appliance . 179
Annex J (normative) Coated printed circuit boards . 181
Annex K (informative) Overvoltage categories . 182
Annex L (informative) Guidance for the measurement of clearances and creepage
distances . 183
Annex M (informative) Pollution degree . 186
Annex N (normative) Proof tracking test . 187
Annex O (informative) Selection and sequence of the tests of Clause 30 . 188
Annex P (informative) Guidance for the application of this standard to appliances
used in tropical climates . 193
Annex Q (informative) Sequence of tests for the evaluation of electronic circuits . 195
Annex R (normative) Software evaluation . 198
Annex S (informative) Guidance for the application of this standard on measurement
of power input and current based on the requirements of 10.1 and 10.2 concerning the
representative period . 212
Annex T (normative) UV-C radiation effect on non-metallic materials . 213
Annex U (normative) Appliances intended for remote communication through public
networks . 216
Annex AA (normative) Detergent . 220
Annex BB (normative) Ageing test for elastomeric parts . 221
Annex CC (normative) Detergent free electrolyser washing machines . 223
Annex DD (informative) Washing machines incorporating a power driven wringer . 227
Bibliography . 229
Index of defined terms . 232

Figure 1 – Circuit diagram for leakage current measurement at operating temperature
for single-phase connection of class II appliances and for parts of class ll construction . 135
Figure 2 – Circuit diagram for leakage current measurement at operating temperature
for single-phase connection of other than class II appliances or parts of class ll
construction . 136
Figure 3 – Circuit diagram for leakage current measurement at operating temperature
for three-phase with neutral class II appliances and for parts of class ll construction . 137
Figure 4 – Circuit diagram for leakage current measurement at operating temperature
for three-phase with neutral appliances other than those of class II or parts of class ll
construction . 138
Figure 5 – Small part . 139
Figure 6 – Example of an electronic circuit with low-power points . 139
Figure 7 – Test finger nail . 140
Figure 8 – Flexing test apparatus . 141
Figure 9 – Constructions of cord anchorages . 142
Figure 10 – An example of parts of an earthing terminal . 143
Figure 11 – Examples of clearances . 144
Figure 12 – Example of the placement of the cylinder . 145
Figure 13 – Small parts cylinder . 146

– 4 – IEC 60335-2-7:2024 EXV © IEC 2024
Figure 14 – Example of a specified operating region of a lithium-ion cell during
charging . 147
Figure 101 – Probe for measuring surface temperatures . 147
Figure B.1 – Examples of battery-operated appliance constructions and application of
normative Annex B (1 of 2) . 169
Figure B.2 – Examples of correct polarity connection marking representing three
batteries . 170
Figure I.1 – Simulation of faults . 180
Figure L.1 – Sequence for the determination of clearances . 183
Figure L.2 – Sequence for the determination of creepage distances . 184
Figure L.3 – Measurement of clearances . 185
Figure O.1 – Tests for resistance to heat . 188
Figure O.2 – Selection and sequence of tests for resistance to fire in hand-held
appliances . 189
Figure O.3 – Selection and sequence of tests for resistance to fire in attended

appliances . 189
Figure O.4 – Selection and sequence of tests for resistance to fire in unattended
appliances . 190
Figure O.5 – Some applications of the term "within a distance of 3 mm" . 192
Figure Q.1 – Flowchart outlining the sequence of tests for the evaluation of electronic
circuits (1 of 2) . 196
Figure S.1 – Flowchart giving guidance on measurement of power input and current
concerning the representative period . 212

Table 1 – Power input deviation . 44
Table 2 – Current deviation . 45
Table 101 – Maximum temperature rises for specified external accessible surfaces
under normal operating conditions . 50
Table 3 – Maximum normal temperature rises . 50
Table 4 – Voltage for electric strength test . 57
Table 5 – Characteristics of high-voltage sources . 58
Table 6 – Impulse test voltage . 58
Table 7 – Test voltages. 63
Table 8 – Maximum winding temperature . 68
Table 9 – Maximum abnormal temperature rise . 74
Table 10 – Dimensions of cables and conduits . 107
Table 11 – Minimum cross-sectional area of conductors . 109
Table 12 – Pull force and torque . 111
Table 13 – Nominal cross-sectional area of conductors . 115
Table 14 – Torque for testing screws and nuts . 119
Table 15 – Rated impulse voltage . 121
Table 16 – Minimum clearances . 122
Table 17 – Minimum creepage distances for basic insulation . 126
Table 18 – Minimum creepage distances for functional insulation . 127
Table 19 – Minimum thickness for accessible parts of reinforced insulation consisting
of a single layer . 129

Table A.1 – Test voltages . 149
Table B.1 – Artificial source characteristics . 152
Table B.2 – Total area of openings for metal-ion cells . 160
Table B.3 – Volume of air injected at 2 070 kPa . 160
Table C.1 – Test conditions . 171
Table R.1 – General fault/error conditions . 200
Table R.2 – Specific fault/error conditions . 202
Table R.3 – Semi-formal methods . 208
Table R.4 – Software architecture specification . 208
Table R.5 – Module design specification . 209
Table R.6 – Design and coding standards . 210
Table R.7 – Software safety validation . 210
Table T.1 – Minimum property retention limits after UV-C exposure . 214
Table T.2 – Minimum electric strength for internal wiring after UV-C exposure . 215
Table U.1 – Examples of acceptable measures against unauthorised access and
transmission fault/error modes . 218
Table AA.1 – Composition of the reference detergent . 220

– 6 – IEC 60335-2-7:2024 EXV © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-7: Particular requirements for washing machines

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
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services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a) patent(s).
IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in respect
thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which may
be required to implement this document. However, implementers are cautioned that this may not represent the
latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC shall
not be held responsible for identifying any or all such patent rights.
This extended version (EXV) of the official IEC Standard provides the user with the
comprehensive content of the Standard.
to IEC 60335-1:2020.
The specific content of IEC 60335-2-7:2024 is displayed on a blue background.

IEC 60335-2-7 has been prepared by IEC technical committee 61: Safety of household and
similar electrical appliances. It is an International Standard.
This ninth edition cancels and replaces the eighth edition published in 2019. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) alignment with IEC 60335-1:2020;
b) conversion of some notes to normative text (Clause 1, 20.104, 20.105);
c) addition of requirements for restarting the spin cycle of agitator washing machines and
impeller washing machines (20.108);
d) addition of requirements for remote operation (22.51);
e) application of test probe 19 has been introduced (8.1.1, 20.2).
The text of this International Standard is based on the following documents:
Draft Report on voting
61/7018/FDIS 61/7084/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications.
A list of all parts of the IEC 60335 series, under the general title: Household and similar
electrical appliances – Safety, can be found on the IEC website.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments unless that edition precludes it; in that case, the latest edition that does not
preclude it is used. It was established on the basis of the sixth edition (2020) of that standard.
NOTE 1 When "Part 1" is mentioned in this standard, it refers to IEC 60335-1.
This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to convert
that publication into the IEC standard: Particular requirements for washing machines.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as
far as is reasonable. When this standard states "addition", "modification" or "replacement", the
relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:
– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including
those in a replaced clause or subclause;
– additional Annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;

– 8 – IEC 60335-2-7:2024 EXV © IEC 2024
– test specifications: in italic type;
– notes: in small roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the
associated noun are also in bold.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations can need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation nationally
not earlier than 12 months or later than 36 months from the date of publication.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.

INTRODUCTION
It has been assumed in the drafting of this International Standard that the execution of its
provisions is entrusted to appropriately qualified and experienced persons.
Guidance documents concerning the application of the safety requirements for appliances can
be accessed via TC 61 supporting documents on the IEC website
https://www.iec.ch/tc61/supportingdocuments
This information is given for the convenience of users of this International Standard and does
not constitute a replacement for the normative text in this standard.
This standard recognizes the internationally accepted level of protection against hazards such
as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal
use taking into account the manufacturer's instructions. It also covers abnormal situations that
can be expected in practice and takes into account the way in which electromagnetic
phenomena can affect the safe operation of appliances.
This standard takes into account the requirements of IEC 60364 as far as possible so that there
is compatibility with the wiring rules when the appliance is connected to the supply mains.
However, national wiring rules can differ.
If an appliance within the scope of this standard also incorporates functions that are covered
by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as
far as is reasonable. If applicable, the influence of one function on the other is taken into
account.
When a part 2 standard does not include additional requirements to cover hazards dealt with in
Part 1, Part 1 applies.
NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is
not necessary to specify particular requirements for the appliance in question over and above the general
requirements.
This standard is a product family standard dealing with the safety of appliances and takes
precedence over horizontal and generic standards covering the same subject.
NOTE 2 Horizontal publications, basic safety publications and group safety publications covering a hazard are not
applicable since they have been taken into consideration when developing the general and particular requirements
for the IEC 60335 series of standards.
An appliance that complies with the text of this standard will not necessarily be considered to
comply with the safety principles of the standard if, when examined and tested, it is found to
have other features that impair the level of safety covered by these requirements.
An appliance employing materials or having forms of construction differing from those detailed
in the requirements of this standard may be examined and tested according to the intent of the
requirements and, if found to be substantially equivalent, may be considered to comply with the
standard.
NOTE 3 Standards dealing with non-safety aspects of household appliances are:
– IEC standards published by TC 59 concerning methods of measuring performance;
– CISPR 11, CISPR 14-1 and relevant IEC 61000-3 series standards concerning electromagnetic emissions;
– CISPR 14-2 concerning electromagnetic immunity;
– IEC standards published by TC 111 concerning environmental matters.

– 10 – IEC 60335-2-7:2024 EXV © IEC 2024
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-7: Particular requirements for washing machines

1 Scope
This part of IEC 60335 deals with the safety of electric washing machines for household and
similar use, that are intended for washing clothes and textiles, their rated voltage being not
more than 250 V for single-phase appliances and 480 V for other appliances including direct
current (DC) supplied appliances and battery-operated appliances.
This standard also deals with the safety of electric washing machines for household and similar
use employing an electrolyte instead of detergent. Additional requirements for these appliances
are given in normative Annex CC.
NOTE 101 Guidance is given in informative Annex DD for requirements that can be used to ensure an acceptable
level of protection against electrical and thermal hazards for washing machines fitted with a power driven wringer.
Appliances not intended for normal household use but which nevertheless can be a source of
danger to the public, such as appliances intended to be used by laymen in shops, in light
industry and on farms, are within the scope of this standard.
As far as is practicable, this standard deals with the common hazards presented by washing
machines that are encountered by all persons in and around the home. However, in general, it
does not take into account:
– persons (including children) whose:
• physical, sensory or mental capabilities; or
• lack of experience and knowledge
prevents them from using the appliance safely without supervision or instruction;
– children playing with the appliance.
Attention is drawn to the fact that:
– for washing machines intended to be used in vehicles or on board ships or aircraft, additional
requirements can be necessary;
– in many countries additional requirements are specified by the national health authorities,
the national authorities responsible for the protection of labour, the national water supply
authorities and similar authorities.
This standard does not apply to:
– washing machines intended exclusively for industrial purposes (ISO 10472-2);
– appliances intended to be used in locations where special conditions prevail, such as the
presence of a corrosive or explosive atmosphere (dust, vapour or gas);
– washing machines incorporating steam generating devices in which steam is produced at a
pressure exceeding 50 kPa;
– washing machines for commercial use including those for communal use in blocks of flats
or in launderettes (IEC 60335-2-122).

2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60034-1, Rotating electrical machines – Part 1: Rating and performance
IEC 60061-1, Lamp caps and holders together with gauges for the control of interchangeability
and safety – Part 1: Lamp caps
IEC 60065:2014, Audio, video and similar electronic apparatus – Safety requirements
IEC 60068-2-2, Environmental testing – Part 2-2: Tests – Test B: Dry heat
IEC 60068-2-31, Environmental testing – Part 2-31: Tests – Test Ec: Rough handling shocks,
primarily for equipment-type specimens
IEC 60068-2-52, Environmental testing – Part 2-52: Tests – Test Kb: Salt mist, cyclic (sodium,
chloride solution)
IEC 60068-2-75, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests
IEC 60068-2-78, Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady state
IEC 60079-15, Explosive atmospheres – Part 15: Equipment protection by type of protection
"n"
IEC TR 60083, Plugs and socket-outlets for domestic and similar general use standardized in
member countries of IEC
IEC 60085:2007, Electrical insulation – Thermal evaluation and designation
IEC 60112:2003, Method for the determination of the proof and the comparative tracking indices
of solid insulating materials
IEC 60112:2003/AMD1:2009
IEC 60127 (all parts), Miniature fuses
IEC 60227 (all parts), Polyvinyl chloride insulated cables of rated voltages up to and including
450/750 V
IEC 60227-5:2011, Polyvinyl chloride insulated cables of rated voltages up to and including
450/750 V – Part 5: Flexible cables (cords)
IEC 60238, Edison screw lampholders
IEC 60245 (all parts), Rubber insulated cables – Rated voltages up to and including 450/750 V
___________
There exists a consolidated edition 4.1:2009 that includes edition 4 and its Amendment 1.

– 12 – IEC 60335-2-7:2024 EXV © IEC 2024
IEC 60252-1:2010, AC motor capacitors – Part 1: General – Performance, testing and rating –
Safety requirements – Guidance for installation and operation
IEC 60252-1:2010/AMD1:2013
IEC 60309-2, Plugs, socket-outlets and couplers for industrial purposes – Part 2: Dimensional
interchangeability requirements for pin and contact-tube accessories
IEC 60320 (all parts), Appliance couplers for household and similar general purposes
IEC 60320-1, Appliance couplers for household and similar general purposes – Part 1: General
requirements
IEC 60320-2-3, Appliance couplers for household and similar general purposes – Part 2-3:
Appliance couplers with a degree of protection higher than IPX0
IEC 60320-3, Appliance couplers for household and similar general purposes – Part 3: Standard
sheets and gauges
IEC 60384-14:2013, Fixed capacitors for use in electronic equipment – Part 14: Sectional
specification – Fixed capacitors for electromagnetic interference suppression and connection
to the supply mains
IEC 60384-14:2013/AMD1:2016
IEC 60417, Graphical symbols for use on equipment
IEC 60445:2017, Basic and safety principles for man-machine interface, marking and
identification – Identification of equipment terminals, conductor terminations and conductors
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)

IEC 60529:1989/AMD1:1999
IEC 60529:1989/AMD2:2013
IEC 60584-1, Thermocouples – Part 1: EMF specifications and tolerances
IEC 60598-1:2014, Luminaires – Part 1: General requirements and tests
IEC 60598-1:2014/AMD1:2017
IEC 60603-11, Connectors for frequencies below 3 MHz for use with printed boards – Part 11:
Detail specification for concentric connectors (dimensions for free connectors and fixed
connectors)
IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1:
Principles, requirements and tests
IEC 60664-3:2016, Insulation coordination for equipment within low-voltage systems – Part 3:
Use of coating, potting or moulding for protection against pollution
IEC 60664-4:2005, Insulation coordination for equipment within low-voltage systems – Part 4:
Consideration of high-frequency voltage stress
___________
There exists a consolidated edition 2.1:2013 that includes edition 2 and its Amendment 1.
There exists a consolidated edition 4.1:2016 that includes edition 4 and its Amendment 1.
There exists a consolidated edition 2.2:2013 that includes edition 2 and its Amendment 1 and Amendment 2.
There exists a consolidated edition 8.1:2017 that includes edition 8 and its Amendment 1.

IEC 60691, Thermal-links – Requirements and application guide
IEC 60695-2-11:2014, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods –
Glow-wire flammability test method for end-products (GWEPT)
IEC 60695-2-12, Fire hazard testing – Part 2-12: Glowing/hot-wire based test methods – Glow-
wire flammability index (GWFI) test method for materials
IEC 60695-2-13, Fire hazard testing – Part 2-13: Glowing/hot-wire based test methods – Glow-
wire ignition temperature (GWIT) test method for materials
IEC 60695-10-2, Fire hazard testing – Part 10-2: Abnormal heat – Ball pressure test
IEC 60695-11-5:2016, Fire hazard testing – Part 11-5: Test flames – Needle-flame test method
– Apparatus, confirmatory test arrangement and guidance
IEC 60695-11-10, Fire hazard testing – Part 11-10: Test flames – 50 W horizontal and vertical
flame test methods
IEC 60730-1:2013, Automatic electrical controls – Part 1: General requirements
IEC 60730-1:2013/AMD1:2015
IEC 60730-2-8:2018, Automatic electrical controls – Part 2-8: Particular requirements for
electrically operated water valves, including mechanical requirements
IEC 60730-2-9:2015, Automatic electrical controls – Part 2-9: Particular requirements for
temperature sensing controls
IEC 60730-2-9:2015/AMD1:2018
IEC 60730-2-10, Automatic electrical controls for household and similar use – Part 2-10:
Particular requirements for motor-starting relays
IEC 60730-2-12:2015, Automatic electrical controls − Part 2-12: Particular requirements for
electrically operated door locks
IEC 60738-1, Thermistors – Directly heated positive temperature coefficient – Part 1: Generic
specification
IEC 60799, Electrical accessories – Cord sets and interconnection cord sets
IEC 60906-1, IEC system of plugs and socket-outlets for household and similar purposes –
Part 1: Plugs and socket-outlets 16 A 250 V a.c.
IEC 60934, Circuit-breakers for equipment (CBE)
IEC 60990:2016, Methods of measurement of touch current and protective conductor current
IEC 60999-1:1999, Connecting devices – Electrical copper conductors – Safety requirements
for screw-type and screwless-type clamping units – Part 1: General requirements and particular
2 2
requirements for clamping units for conductors from 0,2 mm up to 35 mm (included)
___________
There exists a consolidated edition 5.1:2015 that includ
...

IEC 60335-2-7 ®
Edition 9.0 2024-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –
Part 2-7: Particular requirements for washing machines

Appareils électrodomestiques et analogues – Sécurité –
Partie 2-7: Exigences particulières pour les machines à laver le linge

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IEC 60335-2-7 ®
Edition 9.0 2024-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –

Part 2-7: Particular requirements for washing machines

Appareils électrodomestiques et analogues – Sécurité –

Partie 2-7: Exigences particulières pour les machines à laver le linge

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.120, 97.060 ISBN 978-2-8322-0000-0

– 2 – IEC 60335-2-7:2024 © IEC 2024
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 9
3 Terms and definitions . 9
4 General requirement . 10
5 General conditions for the tests . 10
6 Classification . 11
7 Marking and instructions . 11
8 Protection against access to live parts . 12
9 Starting of motor-operated appliances . 12
10 Power input and current . 12
11 Heating . 12
12 Charging of metal-ion batteries . 15
13 Leakage current and electric strength at operating temperature . 15
14 Transient overvoltages . 15
15 Moisture resistance . 15
16 Leakage current and electric strength . 16
17 Overload protection of transformers and associated circuits . 17
18 Endurance . 17
19 Abnormal operation . 18
20 Stability and mechanical hazards . 19
21 Mechanical strength . 23
22 Construction . 23
23 Internal wiring . 26
24 Components . 26
25 Supply connection and external flexible cords . 27
26 Terminals for external conductors . 27
27 Provision for earthing . 27
28 Screws and connections . 27
29 Clearances, creepage distances and solid insulation . 27
30 Resistance to heat and fire . 27
31 Resistance to rusting . 27
32 Radiation, toxicity and similar hazards . 27
Annexes . 29
Annex B (normative) Battery-operated appliances, separable batteries and detachable
batteries for battery-operated appliances . 29
Annex R (normative) Software evaluation . 30
Annex AA (normative) Detergent . 31
Annex BB (normative) Ageing test for elastomeric parts . 32
Annex CC (normative) Detergent free electrolyser washing machines . 34
Annex DD (informative) Washing machines incorporating a power driven wringer . 38

Bibliography . 40

Figure 101 – Probe for measuring surface temperatures . 28

Table 101 – Maximum temperature rises for specified external accessible surfaces
under normal operating conditions . 14
Table AA.1 – Composition of the reference detergent . 31

– 4 – IEC 60335-2-7:2024 © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-7: Particular requirements for washing machines

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
may be required to implement this document. However, implementers are cautioned that this may not represent
the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
IEC 60335-2-7 has been prepared by IEC technical committee 61: Safety of household and
similar electrical appliances. It is an International Standard.
This ninth edition cancels and replaces the eighth edition published in 2019. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) alignment with IEC 60335-1:2020;
b) conversion of some notes to normative text (Clause 1, 20.104, 20.105);
c) addition of requirements for restarting the spin cycle of agitator washing machines and
impeller washing machines (20.108);

d) addition of requirements for remote operation (22.51);
e) application of test probe 19 has been introduced (8.1.1, 20.2).
The text of this International Standard is based on the following documents:
Draft Report on voting
61/7018/FDIS 61/7084/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications.
A list of all parts of the IEC 60335 series, under the general title: Household and similar
electrical appliances – Safety, can be found on the IEC website.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments unless that edition precludes it; in that case, the latest edition that does not
preclude it is used. It was established on the basis of the sixth edition (2020) of that standard.
NOTE 1 When "Part 1" is mentioned in this standard, it refers to IEC 60335-1.
This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to convert
that publication into the IEC standard: Particular requirements for washing machines.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as
far as is reasonable. When this standard states "addition", "modification" or "replacement", the
relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:
– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including
those in a replaced clause or subclause;
– additional Annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the
associated noun are also in bold.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
– 6 – IEC 60335-2-7:2024 © IEC 2024
NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations can need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation nationally
not earlier than 12 months or later than 36 months from the date of publication.

INTRODUCTION
It has been assumed in the drafting of this International Standard that the execution of its
provisions is entrusted to appropriately qualified and experienced persons.
Guidance documents concerning the application of the safety requirements for appliances can
be accessed via TC 61 supporting documents on the IEC website
https://www.iec.ch/tc61/supportingdocuments
This information is given for the convenience of users of this International Standard and does
not constitute a replacement for the normative text in this standard.
This standard recognizes the internationally accepted level of protection against hazards such
as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal
use taking into account the manufacturer's instructions. It also covers abnormal situations that
can be expected in practice and takes into account the way in which electromagnetic
phenomena can affect the safe operation of appliances.
This standard takes into account the requirements of IEC 60364 as far as possible so that there
is compatibility with the wiring rules when the appliance is connected to the supply mains.
However, national wiring rules can differ.
If an appliance within the scope of this standard also incorporates functions that are covered
by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as
far as is reasonable. If applicable, the influence of one function on the other is taken into
account.
When a part 2 standard does not include additional requirements to cover hazards dealt with in
Part 1, Part 1 applies.
NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is
not necessary to specify particular requirements for the appliance in question over and above the general
requirements.
This standard is a product family standard dealing with the safety of appliances and takes
precedence over horizontal and generic standards covering the same subject.
NOTE 2 Horizontal publications, basic safety publications and group safety publications covering a hazard are not
applicable since they have been taken into consideration when developing the general and particular requirements
for the IEC 60335 series of standards.
An appliance that complies with the text of this standard will not necessarily be considered to
comply with the safety principles of the standard if, when examined and tested, it is found to
have other features that impair the level of safety covered by these requirements.
An appliance employing materials or having forms of construction differing from those detailed
in the requirements of this standard may be examined and tested according to the intent of the
requirements and, if found to be substantially equivalent, may be considered to comply with the
standard.
NOTE 3 Standards dealing with non-safety aspects of household appliances are:
– IEC standards published by TC 59 concerning methods of measuring performance;
– CISPR 11, CISPR 14-1 and relevant IEC 61000-3 series standards concerning electromagnetic emissions;
– CISPR 14-2 concerning electromagnetic immunity;
– IEC standards published by TC 111 concerning environmental matters.

– 8 – IEC 60335-2-7:2024 © IEC 2024
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-7: Particular requirements for washing machines

1 Scope
This clause of Part 1 is replaced by the following.
This part of IEC 60335 deals with the safety of electric washing machines for household and
similar use, that are intended for washing clothes and textiles, their rated voltage being not
more than 250 V for single-phase appliances and 480 V for other appliances including direct
current (DC) supplied appliances and battery-operated appliances.
This standard also deals with the safety of electric washing machines for household and similar
use employing an electrolyte instead of detergent. Additional requirements for these appliances
are given in normative Annex CC.
NOTE 101 Guidance is given in informative Annex DD for requirements that can be used to ensure an acceptable
level of protection against electrical and thermal hazards for washing machines fitted with a power driven wringer.
Appliances not intended for normal household use but which nevertheless can be a source of
danger to the public, such as appliances intended to be used by laymen in shops, in light
industry and on farms, are within the scope of this standard.
As far as is practicable, this standard deals with the common hazards presented by washing
machines that are encountered by all persons in and around the home. However, in general, it
does not take into account:
– persons (including children) whose:
• physical, sensory or mental capabilities; or
• lack of experience and knowledge
prevents them from using the appliance safely without supervision or instruction;
– children playing with the appliance.
Attention is drawn to the fact that:
– for washing machines intended to be used in vehicles or on board ships or aircraft, additional
requirements can be necessary;
– in many countries additional requirements are specified by the national health authorities,
the national authorities responsible for the protection of labour, the national water supply
authorities and similar authorities.
This standard does not apply to:
– washing machines intended exclusively for industrial purposes (ISO 10472-2);
– appliances intended to be used in locations where special conditions prevail, such as the
presence of a corrosive or explosive atmosphere (dust, vapour or gas);
– washing machines incorporating steam generating devices in which steam is produced at a
pressure exceeding 50 kPa;
– washing machines for commercial use including those for communal use in blocks of flats
or in launderettes (IEC 60335-2-122).

2 Normative references
This clause of Part 1 is applicable except as follows.
Addition:
IEC 60068-2-52, Environmental testing – Part 2-52: Tests – Test Kb: Salt mist, cyclic (sodium,
chloride solution)
IEC 60079-15, Explosive atmospheres – Part 15: Equipment protection by type of protection "n"
IEC 60584-1, Thermocouples – Part 1: EMF specifications and tolerances
IEC 60730-2-12:2015, Automatic electrical controls − Part 2-12: Particular requirements for
electrically operated door locks
ISO 1817:2022, Rubber, vulcanized or thermoplastic – Determination of the effect of liquids
3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.1 Definitions relating to physical characteristics
3.1.9 Modification:
Replace the first paragraph with the following:
operation of the appliance under the following conditions.
The appliance is filled with dry textile material having a mass equal to the maximum mass stated
in the instructions, and with the maximum quantity of water for which it is constructed. However,
if the power input or current is higher when only 50 % of the textile material is used, the
appliance is operated with this load instead if this gives more unfavourable conditions than the
full load during the test of Clause 11.
Note 101 to entry: For some appliances incorporating a programmer, using the 50 % reduced load can result in
automatic selection of a reduced wash programme.
The temperature of the water is:
• 65 °C ± 5 °C for appliances without heating elements;
• 15 °C ± 5 °C for appliances without heating elements and intended for connection to the
cold water supply only;
• 15 °C ± 5 °C for other appliances.
If the appliance does not incorporate a programmer, the water is heated to 90 °C ± 5 °C or as
high as the construction will allow if lower, before starting the first washing period.
The textile material consists of pre-washed double-hemmed cotton sheets having dimensions
2 2
approximately 700 mm × 700 mm and a specific mass between 140 g/m and 175 g/m in the
dry condition.
– 10 – IEC 60335-2-7:2024 © IEC 2024
For impeller washing machines, if the textile material does not move properly during
operation:
• the quantity of textile material may be reduced until the maximum power input of the motor
is attained; or
• a textile material comprising pre-washed double-hemmed cotton sheets, having dimensions
2 2
of approximately 900 mm × 900 mm and a mass between 90 g/m and 110 g/m in the dry
condition, may be used.
However, for impeller washing machines, in case of doubt, the test is carried out using the
reduced quantity of textile material.
A steam generator intended to be filled by hand is filled according to the instructions, water
being added to maintain the steam generation.
A steam generator intended to be filled automatically is connected to the water mains.
3.5 Definitions relating to types of appliances
3.5.101
agitator washing machine
washing machine in which the textiles are substantially immersed in the washing water, the
mechanical action being produced by a device, moving about or along its vertical axis with a
reciprocating motion (an agitator)
Note 1 to entry: This device usually extends above the maximum water level.
3.5.102
impeller washing machine
washing machine in which the textiles are substantially immersed in the washing water, the
mechanical action being produced by a device rotating about its axis continuously or which
reverses after a number of revolutions (an impeller)
Note 1 to entry: The uppermost point of this device is substantially below the minimum water level.
3.5.103
drum washing machine
washing machine in which the textiles are placed in either a horizontal drum or a drum that is
inclined up to and including 45° from the horizontal and the textile is partially immersed in the
washing water, the mechanical action being produced by rotation of the drum about its axis, the
movement being either continuous or periodically reversed
3.6 Definitions relating to parts of an appliance
3.6.101
steam generator
device in which steam is produced at a pressure not exceeding 50 kPa and in which the pressure
drops to atmospheric pressure when the steam is not supplied
4 General requirement
This clause of Part 1 is applicable.
5 General conditions for the tests
This clause of Part 1 is applicable except as follows.

5.2 Addition:
The relevant tests of 21.101, 21.102 and 22.104 shall be carried out on the same appliance as
that used for the test of Clause 18.
5.3 Addition:
The test of 15.101 is carried out before the test of 15.3.
The relevant tests of 21.101 and 21.102 are carried out before the test of Clause 18. The test
of 22.104 is carried out after the test of Clause 18.
5.7 Addition:
Doubt is considered to exist if the temperature of the water is within 6 K of the boiling point and
the difference between the temperature rise of the relevant part and the limit specified does not
exceed 25 K minus the room temperature.
6 Classification
This clause of Part 1 is applicable except as follows.
6.1 Modification:
Replace the first paragraph with the following:
Appliances shall be of class I, class II or class III.
6.2 Addition:
Appliances shall be at least IPX4.
7 Marking and instructions
This clause of Part 1 is applicable except as follows.
7.1 Addition:
Appliances without automatic water level control shall be marked with the maximum water level.
Appliances not intended for connection to the hot water supply and not provided with heating
elements shall be marked with the substance of the following:
CAUTION: Do not connect to the hot water supply.
7.10 Addition:
If the off position is only indicated by letters, the word "off" shall be used.
7.12 Addition:
The instructions shall specify the maximum mass of dry cloth in kilograms to be used in the
appliance.
– 12 – IEC 60335-2-7:2024 © IEC 2024
The instructions shall include the substance of the following:
This appliance is intended to be used in household and similar applications such as:
• staff kitchen areas in shops, offices and other working environments;
• farm houses;
• by clients in hotels, motels and other residential type environments;
• bed and breakfast type environments.
If the manufacturer wants to limit the use of the appliance to less than the above, this shall be
clearly stated in the instructions.
7.12.1 Addition:
For appliances having ventilation openings in the base, the installation instructions shall state
that the openings must not be obstructed by a carpet.
7.15 Addition:
The caution relating to connection to the hot water supply shall be on the appliance at its point
of attachment to the water supply.
8 Protection against access to live parts
This clause of Part 1 is applicable except as follows.
8.1.1 Addition:
For parts of appliances situated not more than 850 mm above the floor after installation or in
normal use, in addition to the use of test probe 18, test probe 19 of IEC 61032 is also applied
wherever test probe 18 is used and with the same test conditions used for test probe 18.
9 Starting of motor-operated appliances
This clause of Part 1 is not applicable.
10 Power input and current
This clause of Part 1 is applicable except as follows.
10.1 Addition:
The selected representative period is the period, such as filling with water, washing, rinsing,
water extraction, spinning or braking during which the power input is the highest.
10.2 Addition:
The selected representative period is the period, such as filling with water, washing, rinsing,
water extraction, spinning or braking during which the current is the highest.
11 Heating
This clause of Part 1 is applicable except as follows.

11.3 Addition:
Where the external accessible surfaces are suitably flat and access permits, then the test
probe of Figure 101 may be used to measure the temperature rises of external accessible
surfaces specified in Table 101. The probe is applied with a force of 4 N ± 1 N to the surface
in such a way that the best possible contact between the probe and the surface is ensured. The
measurement is performed after a contact period of 30 s.
The probe may be held in place using a laboratory stand clamp or similar device. Any measuring
instrument giving the same results as the probe may be used.
11.7 Modification:
Replace the first paragraph with the following:
Appliances incorporating a programmer are operated for three cycles with the programme that
results in highest temperature rises, with a rest period of 4 min between cycles.
Other appliances are operated for three cycles, with a rest period of 4 min between cycles.
Each cycle consists of the following operations:
– for appliances without means for water washing;
extraction and for washing machines with a
hand-operated wringer,
– for appliances having a single drum for washing followed by water extraction;
washing and water extraction,
– for appliances having separate drums for washing and water extraction separated by
washing and water extraction that cannot an additional 4 min rest period;
be used simultaneously,
– for appliances having separate drums for washing together with water extraction so
washing and water extraction that can be that the operations terminate
used simultaneously, simultaneously;
– for appliances having a single drum for
washing, water extraction and drying
• that allow the same quantity of textile washing followed by water extraction,
material to be washed and dried in the followed by drying;
drum,
• that, according to the instructions, only washing followed by water extraction
allow a portion of the washed textile followed by two drying periods, with an
material to be dried in the drum, additional rest period of 4 min before each
drying period. In this case only two cycles
of operation are carried out.
For appliances incorporating a timer, the washing period, the water extraction period and the
drying period are equal to the maximum period allowed by the timer.
For appliances without a timer:
– the washing period has a duration of:
• 6 min, for impeller washing machines;
• 18 min, for agitator washing machines;
• 25 min for drum washing machines unless a longer period is stated in the instructions;
– the water extraction period has a duration of 5 min.

– 14 – IEC 60335-2-7:2024 © IEC 2024
The rest period, including any braking time, has a duration of 4 min.
After the specified sequence of operation, discharge pumps that are driven by a separate motor
and switched on and off manually, are subjected to three operating periods separated by rest
periods of 4 min. Each operating period is equal to 1,5 times the period necessary to empty the
appliance when filled to the maximum water level during normal use. The outlet of the water
discharge pipe is 900 mm above the floor.
Replace the first dashed item of the third paragraph with the following:
– the battery that has been fully discharged is charged for 1 h, while the appliance is
operated as specified performing its intended function, if allowed by the construction of the
appliance.
11.8 Modification:
Replace the first paragraph with the following:
During the test, the temperature rises are monitored continuously for one cycle and shall not
exceed the values shown in Table 3 and Table 101.
Table 101 – Maximum temperature rises for specified external accessible surfaces
under normal operating conditions
a, c
Surface
Temperature rise of external accessible surfaces
K
Surfaces of appliances situated not more than Surfaces situated more
850 mm above the floor after installation than 850 mm above the
b
floor after installation
b
Front surfaces
Other surfaces
Bare metal 38 42 42
d
42 49 49
Coated metal
Glass and ceramic 51 56 56
Plastic and plastic 58 62 62
e, f
coating > 0,4 mm
NOTE The temperature rise limits of handles, knobs, grips, keyboards, keypads and similar parts are specified
in Table 3.
a
Temperature rises are not measured on
– the underside of appliances intended to be used on a working surface or floor, where these surfaces are
inaccessible to a 75 mm diameter probe having a hemispherical end,
– the rear surface of appliances which, according to the instructions, shall be placed against a wall and
where these surfaces are inaccessible to a 75 mm diameter probe having a hemispherical end,
– hot water supply fittings and hoses.
b
If these values are exceeded, the test is allowed to be repeated with the appliance moved away from the test
corner wall. The test is repeated for 1 cycle.
c
For surfaces within 25 mm from air outlets, the values may be increased by 10 K.
d
Metal is considered coated when a coating having a minimum thickness of 90 µm made of enamel, powder or
non-substantially plastic coating is used.
e
The temperature rise limit of plastic also applies for plastic material having a metal finish of thickness less
than 0,1 mm.
f
When the thickness of the plastic coating does not exceed 0,4 mm, the temperature rise limits of coated metal
for underlying metal apply or the temperature rise limits for glass or ceramic material for underlying glass or
ceramic material apply.
12 Charging of metal-ion batteries
This clause of Part 1 is applicable.
13 Leakage current and electric strength at operating temperature
This clause of Part 1 is applicable except as follows.
13.2 Modification:
Replace the last two dashed items in the eighth paragraph with the following:
– for stationary class I appliances 3,5 mA, or 1 mA per kW of rated power input
with a maximum of 5 mA, whichever is higher

14 Transient overvoltages
This clause of Part 1 is applicable.
15 Moisture resistance
This clause of Part 1 is applicable except as follows.
15.2 Replacement:
Appliances shall be constructed so that spillage of liquid in normal use does not affect their
electrical insulation even if an inlet valve fails to close.
Compliance is checked by the following test.
Appliances with type X attachment, except those having a specially prepared cord, are fitted
with the lightest permissible type of flexible cord of the smallest cross-sectional area specified
in Table 13.
Appliances intended to be filled with water by the user are completely filled with the spillage
solution. A further quantity of this solution equal to 15 % of the capacity of the appliance or
0,25 l, whichever is greater, is poured in steadily over a period of 1 min.
Other appliances are operated until the maximum water level is reached, and 5 g of the
detergent specified in normative Annex AA is added for each litre of water in the appliance.
Each inlet valve is held open and the filling is continued for 15 min after first evidence of
overflow or until the inflow is automatically stopped by other means. The appropriate tests being
applied one at a time to each inlet valve.
For appliances that are loaded from the front, the door is then opened if this can be achieved
manually and without damage to the door interlock system.
For all appliances, 0,5 l of the spillage solution is rapidly poured over the top of the appliance
so that the spillage solution flows over the surfaces of the appliance that incorporate controls,
the controls being placed in the on position. The controls are then operated through their
working range, this operation being repeated after a period of 5 min.

– 16 – IEC 60335-2-7:2024 © IEC 2024
Any commercially available non-ionic rinsing agent may be used, but if there is any doubt with
regards to the test results, the rinsing agent shall have the following properties:
– viscosity, 17 mPa⋅s;
– pH, 2,2 (1 % in water)
– and its composition shall comprise the following substances:
15,0 % parts by mass
• Plurafac ® LF 221
11,5 % parts by mass
• Cumene sulfonate (40 % solution)
3,0 % parts by mass
• Citric acid (anhydrous)
70,5 % parts by mass
• Deionized water
The appliance shall then withstand the electric strength test of 16.3 and inspection shall show
that there is no trace of water on insulation that could result in a reduction of clearances or
creepage distances below the values specified in Clause 29.
15.101 Appliances shall be constructed so that foaming does not affect electrical insulation.
Compliance is checked by the following test that is carried out immediately after that of 15.2.
The appliance is operated under the conditions specified in Clause 11 but at rated voltage for
one complete cycle with the programme that results in the longest period of operation. A
quantity of detergent necessary to cause foaming is added. The composition of the detergent
is specified in normative Annex AA.
For appliances incorporating a detergent dispenser, the solution is added manually at the point
in the cycle when it would be dispensed automatically during normal use. For other appliances,
the solution is added before starting the cycle.
The appliance shall then withstand the electric strength test of 16.3.
The appliance is kept in a test room having a normal atmosphere for 24 h before being subjected
to the test of 15.3.
16 Leakage current and electric strength
This clause of Part 1 is applicable, except as follows.
16.2 Modification
Replace the last two dashed items in the fourth paragraph with the following:
– for stationary class I appliances 3,5 mA, or 1 mA per kW of rated power input
with a maximum of 5 mA, whichever is higher

___________
Plurafac ® LF 221 is the trade name of a product supplied by BASF. This information is given for the convenience
of users of this document and does not constitute an endorsement by IEC of this product.

17 Overload protection of transformers and associated circuits
This clause of Part 1 is applicable.
18 Endurance
This clause of Part 1 is replaced by the following.
18.101 Appliances shall be constructed so that the l
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