IEC 60335-2-36:2000

INTERNATIONAL IEC
STANDARD
60335-2-36
Fourth edition
2000-02
Safety of household and similar electrical
appliances –
Part 2-36:
Particular requirements for commercial electric
cooking ranges, ovens, hobs and hob elements
Sécurité des appareils électrodomestiques et analogues –
Partie 2-36:
Règles particulières pour les cuisinières, les fours,
les tables de cuisson et les foyers de cuisson électriques
à usage collectif
Reference number
Numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series.
Consolidated publications
Consolidated versions of some IEC publications including amendments are

available. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the
base publication, the base publication incorporating amendment 1 and the base

publication incorporating amendments 1 and 2.

Validity of this publication
The technical content of IEC publications is kept under constant review by the IEC,
thus ensuring that the content reflects current technology.
Information relating to the date of the reconfirmation of the publication is available
in the IEC catalogue.
Information on the subjects under consideration and work in progress undertaken
by the technical committee which has prepared this publication, as well as the list
of publications issued, is to be found at the following IEC sources:
• IEC web site*
•
Catalogue of IEC publications
Published yearly with regular updates
(On-line catalogue)*
• IEC Bulletin
Available both at the IEC web site* and as a printed periodical
Terminology, graphical and letter symbols
For general terminology, readers are referred to IEC 60050: International
Electrotechnical Vocabulary (IEV).
For graphical symbols, and letter symbols and signs approved by the IEC for
general use, readers are referred to publications IEC 60027: Letter symbols to be
used in electrical technology, IEC 60417: Graphical symbols for use on equipment.
Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols
for diagrams.
* See web site address on title page.

INTERNATIONAL IEC
STANDARD
60335-2-36
Fourth edition
2000-02
Safety of household and similar electrical
appliances –
Part 2-36:
Particular requirements for commercial electric
cooking ranges, ovens, hobs and hob elements
Sécurité des appareils électrodomestiques et analogues –
Partie 2-36:
Règles particulières pour les cuisinières, les fours,
les tables de cuisson et les foyers de cuisson électriques
à usage collectif
 IEC 2000  Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
Commission Electrotechnique Internationale
PRICE CODE
U
International Electrotechnical Commission
For price, see current catalogue

– 60335-2-36 © IEC:2000(E)
2 –
CONTENTS
Page
FOREWORD . 3

Clause
1 Scope . 5

2 Definitions. 5

3 General requirement . 8
4 General conditions for the tests . 8
5 Void . 8
6 Classification . 8
7 Marking and instructions . 9
8 Protection against access to live parts . 11
9 Starting of motor-operated appliances. 12
10 Power input and current . 12
11 Heating . 13
12 Void . 14
13 Leakage current and electric strength at operating temperature . 14
14 Void . 15
15 Moisture resistance. 15
16 Leakage current and electric strength . 17
17 Overload protection of transformers and associated circuits. 18
18 Endurance .18
19 Abnormal operation. 19
20 Stability and mechanical hazards . 20
21 Mechanical strength. 21
22 Construction .22
23 Internal wiring . 24
24 Components . 24
25 Supply connection and external flexible cords. 24

26 Terminals for external conductors . 25
27 Provision for earthing. 25
28 Screws and connections . 25
29 Creepage distances, clearances and distances through insulation . 26
30 Resistance to heat, fire and tracking . 27
31 Resistance to rusting . 27
32 Radiation, toxicity and similar hazards . 27
Figures. 28
Annexes . 30

©
60335-2-36 IEC:2000(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION

____________
SAFETY OF HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –

Part 2-36: Particular requirements for commercial electric

cooking ranges, ovens, hobs and hob elements

FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the 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, the IEC publishes International Standards. 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. The 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 the 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 National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60335-2-36 has been prepared by subcommittee 61E: Safety of
electrical commercial catering equipment, of IEC technical committee 61: Safety of household
and similar electrical appliances.
It forms the fourth edition of IEC 60335-2-36 and replaces the third edition, published in
1993, its amendment 1 (1996) and amendment 2 (1998).

The text of this standard is based on the third edition, amendments 1 and 2 and the following
documents:
FDIS Report on voting
61E/347/FDIS 61E/361/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments. It was established on the basis of the third edition (1991) of that standard.

– 60335-2-36 © IEC:2000(E)
4 –
This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to
convert it into the IEC standard: Safety requirements for commercial electric cooking ranges,
ovens, hobs and hob elements.
Where a particular subclause of part 1 is not mentioned in this part 2, that subclause applies
as far as is reasonable. Where this standard states "addition", "modification" or "replacement",

the relevant text in part 1 is to be adapted accordingly.

NOTE 1 The following print types are used:

– ;
requirements: in roman type
test specifications: in italic type;
–
– notes: in small roman type.
bold
Words in in the text are defined in clause 2.
NOTE 2 Subclauses, notes and figures which are additional to those in part 1 are numbered starting from 101.
A bilingual version of this standard may be issued at a later date.

©
60335-2-36 IEC:2000(E) – 5 –
SAFETY OF HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –

Part 2-36: Particular requirements for commercial electric

cooking ranges, ovens, hobs and hob elements

1 Scope
This clause of part 1 is replaced by:

This standard deals with the safety of electrically operated commercial cooking ranges,
ovens, hobs, hob elements and similar appliances not intended for household use, their
rated voltage being not more than 250 V for single-phase appliances connected between one
phase and neutral and 480 V for other appliances.
NOTE 1 These appliances are used for example in kitchens such as in restaurants, canteens, hospitals and
commercial enterprises such as bakeries, butcheries, etc.
The electrical part of appliances making use of other forms of energy is also within the scope
of this standard.
So far as is practicable, this standard deals with the common hazards presented by these
types of appliances.
NOTE 2 Attention is drawn to the fact that
– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be
necessary;
– for appliances intended to be used in tropical countries, special requirements may 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
– appliances designed exclusively for industrial purposes;
– 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);
– continuous process appliances for the mass production of food;
– microwave ovens;
– steam-convection ovens;
– forced convection ovens (IEC 60335-2-42);

– steam cookers (IEC 60335-2-46);
– hot cupboards (IEC 60335-2-49).
2 Definitions
This clause of part 1 is applicable except as follows.
2.2.4 Addition:
NOTE The rated power input is the sum of the power inputs of all the individual elements in the appliance which
can be on at one time; where several such combinations are possible, that giving the highest power input is used in
determining the rated power input.

– 60335-2-36 © IEC:2000(E)
6 –
2.2.9 Replacement:
normal operation
: Operation of the appliance under the following conditions:

– Solid hob elements are operated with no load and sheathed hob elements are operated

with a load made of dull black, cold or hot rolled steel, 9 mm to 10 mm thick, which covers

not less than 90 % and not more than 100 % of the element surface. The hob elements

are operated with the controls set to give the temperatures as set out below, the

temperature being measured at the geometrical centre or the hottest point of the solid

or load, if the element is unevenly heated.
element
Stepped controls are set to the first position which gives a temperature equal to or greater

than 275 °C. Cycling controls are set so that the mean value of the temperature over the
cycle is 275 °C ± 5 °C. If this temperature cannot be reached, the control is set at
the maximum.
– Non-induction heating sources beneath a glass-ceramic or similar material are operated
with a pan or pans containing initially cold water, the pan(s) being filled to a height of
60 mm ± 10 mm. The pan or pans are of aluminium, of ordinary quality, not brightly
polished with a base concavity not exceeding 0,1 mm. The pan or pans shall cover the
cooking zone
to the greatest extent possible.
The pan or pans are covered with a lid. The controls are set at maximum until the water
boils and then adjusted to maintain boiling. Water is added to maintain the water level
during boiling.
Induction heating sources with
– beneath a glass-ceramic or similar material are operated
the pan or pans recommended by the manufacturer.
If one pan is used, it shall cover as closely as possible, but not less than, the full area of
the cooking zone. The pan is positioned centrally.
cooking zones
For non-circular a combination of the smallest number of pans is chosen
to cover as much as possible the area of the cooking zone.
The pan or pans in each case are filled with initially cold frying oil to a height of
30 mm ± 5 mm. The controls are set to maximum until the temperature of the oil attains a
value of 180 °C and then adjusted to maintain the oil at a temperature of 180 °C ± 15 °C.
A further test is made using initially cold water, the pan(s) being filled to a height of
60 mm ± 10 mm. The pan or pans are covered with a lid. The controls are set at maximum
until the water boils and then adjusted to maintain boiling. Water is added to maintain the
water level during boiling.
The condition providing the most unfavorable results (oil or water) is used.
– Ovens are operated with no load and with the controls set so that the mean value of the
temperature over the thermostat cycle at the geometric centre of the usable space in
the interior of the oven is maintained at 240 °C ± 4 °C. Stepped controls are set so that

this temperature is 240 °C ± 15 °C. For ovens which are capable of attaining temperatures
in excess of 290 °C, the controls are set so that the temperature is 50 °C ± 4 °C below the
maximum temperature attainable. For ovens which are unable to attain a temperature of
240 °C, the controls are set to maximum.
– Griddle plates are operated with no load and with the controls set so as to give the
temperatures set out below, the temperature being measured at the hottest point of each
controlled cooking surface. Stepped controls are set to the first position which gives a
temperature equal to or greater than 275 °C. Cycling controls are set so that the mean
value of the temperature over the cycle is 275 °C ± 5 °C. If this temperature cannot be
reached, the control is set to maximum.
– Motors incorporated in the appliance are operated in the intended manner under the most
severe conditions which can be expected in normal use, taking into account the
manufacturer's instructions.
©
60335-2-36 IEC:2000(E) – 7 –
2.2.101
cooking range
a single cooking appliance incorporating one or more ovens together with one or more hob

elements or griddle plates or a combination of these

NOTE An appliance incorporating a forced convection oven, steam-convection oven or microwave oven is

considered to be an appliance incorporating another appliance (see also 4.102).

2.2.102
heating unit
any part of the appliance which fulfils an independent cooking or heating function

NOTE 1 Examples are hob elements, griddle plates or ovens.

NOTE 2 If an oven incorporates more than one heating element or groups of elements which are so controlled
that one element or group cannot be switched on while another element or group is energized, each of the
elements or groups of elements is to be considered as a separate heating unit and tested accordingly.
2.2.103
hob element (boiling plate, surface element)
heating unit designed to accommodate a vessel or vessels on its upper surface
NOTE A hob element may consist of an induction or non-induction heating source beneath a surface of glass-
ceramic or similar material.
2.2.104
hob surface (cooking top)
horizontal part of the appliance to which the hob elements are attached
2.2.105
hob
a hob surface and one or more hob elements. It may be a separate appliance or part of a
cooking range
NOTE A hob may also incorporate a griddle plate.
2.2.106
cooking zone
area marked on a hob surface of glass-ceramic or similar material where the vessel is
intended to be placed
2.2.107
induction heating source
a heating source which operates by inducing eddy currents in a vessel positioned on the hob
element.
2.2.108
griddle plate
a heating unit having a cooking surface on which the food is intended to be placed directly
2.2.109
installation wall
a special fixed construction containing supply facilities for appliances installed in conjunction
with it
2.2.110
pan detector
a device incorporated in a hob element, which prevents its operation unless a vessel is
placed on the cooking zone
NOTE A pan detector is not considered to be a thermostat or protective device.

– 60335-2-36 © IEC:2000(E)
8 –
3 General requirement
This clause of part 1 is applicable except as follows.

Addition:
NOTE 101 The d.c. component in the appliance neutral is limited (Australia).

4 General conditions for the tests

This clause of part 1 is applicable except as follows.

4.2 Addition:
Hob elements which are submitted separately are tested when installed in an appropriate
cooking range.
The test of 18.2 may be made on a separate sample
.
4.3 Addition:
The test of 18.2 is made before the test of clause 11 unless it is made on a separate sample
.
4.10 Addition:
Appliances intended for installation in a bank of other appliances and appliances intended to
be fixed to an installation wall are enclosed to obtain protection against electric shock and
harmful ingress of water equivalent to that obtained when installed in accordance with the
instructions provided with the appliances.
NOTE Appropriate enclosures or additional appliances may be needed for test purposes.
Appliances are tested as heating appliances, even if they incorporate a motor
4.101 .
4.102 Appliances, when assembled in combination with or incorporating other appliances,
are tested in accordance with the requirements of this standard. The other appliances are
operated simultaneously in accordance with the requirements of the relevant standard.
5 Void
6 Classification
This clause of part 1 is applicable except as follows.
6.1 Replacement:
Appliances shall be of class I with respect to protection against electric shock.
Compliance is checked by inspection and by the relevant tests
.
NOTE Class OI appliances are allowed if their rated voltage does not exceed 150 V (Japan).
6.2 Addition:
NOTE 101 For appliances intended to be installed in a kitchen, an appropriate degree of protection against
harmful ingress of water is required according to their height of installation (France).

©
60335-2-36 IEC:2000(E) – 9 –
7 Marking and instructions
This clause of part 1 is applicable except as follows.

7.1 Addition:
In addition, appliances shall be marked with

– the water pressure or range of pressures, in kilopascals (kPa), for appliances intended to

be connected to a water supply, unless this is indicated in the instruction sheet.

Appliances incorporating induction heating sources shall in addition be marked with

– operating frequency or operating frequency range in kilohertz (kHz);
– the total power input of all the induction heating unit(s) which can operate
simultaneously, in watts or kilowatts, unless this is indicated in the instruction sheet.
NOTE 101 The power input to be marked or declared is the highest power input any switching arrangement will
allow.
– the total power input of all the non-induction heating unit(s) which can operate
simultaneously in watts or kilowatts unless this is indicated in the instruction sheet.
NOTE 102 The power input to be marked or declared is the highest power input any switching arrangement will
allow.
Any cover giving access to live parts at a working voltage exceeding 250 V shall be marked
by the following:
"WARNING – DANGEROUS VOLTAGE" or by the symbol for dangerous voltage (see 7.6).
Covers giving access to induction coils shall be marked by the following:
"CAUTION – MAGNETIC FIELD" or by the symbol for non-ionizing electromagnetic
radiation (see 7.6).
NOTE 103 If it is not possible to mark these warnings on the cover, they may be placed close to the cover
retaining screws.
7.6 Addition:
Add the following symbols:
*
…………….non-ionizing electromagnetic radiation (IEC 60417-5140)

*
…………….dangerous voltage (IEC 60417-5036-a)
…………….equipotentiality (IEC 60417-5012-a)*
––––––––––
*
See IEC 60417-1:1998, Graphical symbols for use on equipment – Part 1: Overview and application, and
IEC 60417-2:1998, Graphical symbols for use on equipment – Part 2: Symbol originals

– 60335-2-36 © IEC:2000(E)
10 –
7.12 Addition:
hob surface
If the appliance incorporates a of glass-ceramic or similar material which

provides the enclosure of live parts, the instructions shall include the substance of the

following warning:
WARNING – If the surface is cracked, immediately disconnect the appliance or

appropriate part of the appliance from the supply.

The instructions for appliances with hob surfaces of glass-ceramic or similar material shall

state that aluminium foil and plastic vessels are not to be placed on the hot surfaces. They

shall also state that these surfaces are not to be used for storage.

hobs
The instructions for incorporating halogen lamps shall warn the user to avoid looking
direct at the lamps when on.
induction heating sources
The instructions for appliances incorporating shall indicate the
size of the smallest cooking vessel to be used. They shall also include the substance of the
following:
– metallic objects such as kitchen utensils, cutlery etc. shall not be placed on the hob
surface cooking zones
within the since they could get hot;
– take care when operating the appliance, as rings, watches and similar objects worn by the
hob surface
user could get hot when in close proximity to the ;
– only use vessels of the type and size recommended.
induction heating sources
The instructions for appliances incorporating shall state that
users with heart pacemakers should consult with the manufacturer, unless specific details are
given.
The instructions for use for hobs with hob elements incorporating pan detectors shall
include the substance of the following:
After use, switch the hob element off by means of its control. Do not rely on the pan detector.
7.12.1 Replacement:
The appliance shall be accompanied by an instruction sheet detailing any special precautions
necessary for installation. For appliances intended for installation in a bank of other
appliances and appliances intended to be fixed to an installation wall, details of how to
ensure appropriate protection against electric shock and harmful ingress of water shall be
supplied. If the controls of more than one appliance are combined in a separate enclosure,

user maintenance
detailed installation instructions shall be supplied. Instructions for , for
example cleaning, shall also be given.
For appliances which are permanently connected to fixed wiring and for which leakage
currents may exceed 10 mA, particularly if disconnected or not used for long periods, or
during initial installation, the instruction sheet shall give recommendations regarding the
rating of protective devices, i.e. earth leakage relays to be installed.
If the appliance is constructed so that it is not protected against water jets, clear and detailed
instructions for the user shall be delivered together with the appliance. It shall be stated in the
instructions that this appliance shall not be cleaned with a water jet.
In addition, for appliances incorporating induction heating sources, the instructions shall
state that any repairs shall be carried out only by persons trained or recommended by the
manufacturer.
Compliance is checked by inspection
.
©
60335-2-36 IEC:2000(E) – 11 –

7.12.4 Addition:
– For appliances incorporating induction heating sources, a warning that care be taken to

ensure that the splashback and surrounding area are free of metallic surfaces, if this is

necessary due to the design of the appliance. The instructions for built-in appliances

having a separate control panel for several appliances shall state that the control panel is

only to be connected to the specified appliances in order to avoid a possible hazard.

7.15 Addition:
When it is not practical to place the making of fixed appliances so that it is visible after the

appliance has been installed, the relevant information shall also be included in the instructions for

use or on an additional label which can be fixed near the appliance after installation.

NOTE An exemple of such an appliance is a built-in hob.
7.101 If, during the test of clause 11, the temperature rise of the side and rear walls of the
test corner above the level of the hob surface exceeds 65 K, and/or during the test of
clause 19 the temperature rise of the walls above and below the hob surface exceeds 125 K,
the installation instructions provided by the manufacturer shall include the substance of the
following which shall also be included on a non-permanent label, for example a tie-on type,
attached to the appliance:
"Where this appliance is to be positioned in close proximity to a wall, partitions, kitchen
furniture, decorative finishes, etc., it is recommended that they be made of non-combustible
material, if not, they shall be clad with a suitable non-combustible heat-insulating material,
and that the closest attention be paid to fire prevention regulations."
Compliance is checked by inspection.
7.102 The cooking zones of hob surfaces of glass-ceramic or similar material shall be
clearly identified by appropriate marking, unless they are obvious.
Compliance is checked by inspection.
7.103 Equipotential bonding terminals shall be indicated by the equipotentiality symbol (see 7.6).
These indications shall not be placed on screws, removable washers or other parts which can
be removed when conductors are being connected.
Compliance is checked by inspection.
8 Protection against access to live parts

This clause of part 1 is applicable except as follows.
8.1 Addition:
Appliances intended to accommodate detachable hob elements shall be constructed so that
there is adequate protection against accidental contact with live parts during insertion or
removal of these elements.
8.101 Heating elements which are liable to be touched accidentally by a fork or similar
pointed object in normal use, shall be so protected that it is not possible to touch their live
parts with such an object.
Compliance is checked by inserting the test pin shown in figure 101, at all points where the
pin can enter in the vicinity of live parts. The pin is applied without appreciable force.

– 60335-2-36 © IEC:2000(E)
12 –
9 Starting of motor-operated appliances

9.1
Fan motors providing a cooling effect in order to comply with the requirements of

clause 11 shall start under all voltage conditions which may occur in use.

Compliance is checked by starting the motor three times at a voltage equal to 0,85 times

rated voltage, the motor being at room temperature at the beginning of the test.

The motor is started each time under the conditions occurring at the beginning of normal

operation or, for automatic appliances, at the beginning of the normal cycle of operation, the

motor being allowed to come to rest between successive starts. For appliances provided with
motors having other than centrifugal starting switches, this test is repeated at a voltage equal
to 1,06 times rated voltage
.
In all cases, the motor shall start and it shall function in such a way that safety is not affected
and overload protection devices of the motor shall not operate.
NOTE The supply source must be such that during the test the drop in voltage does not exceed 1 %.
10 Power input and current
This clause of part 1 is applicable except as follows.
10.1 Modification:
Replace the first requirement paragraph by the following:
induction heating sources rated voltage
The power input of appliances without , at and
at normal operating temperature, shall not deviate from the rated power input by more
than the deviation shown in table 1.
The power input of appliances having only induction heating sources, at rated voltage
rated power input
and at normal operating temperature, shall not deviate from the by
more than 10 %.
The measurement is made before the controls are adjusted to the reduced setting.
For appliances incorporating induction and non-induction heating sources the following
applies:
The power input of the induction heating sources and the non-induction heating sources
heating units
are measured separately, in each case using a combination of that can be
on at the same time to give the highest power input. For the induction heating sources,

the measurement is made before the controls are adjusted to the reduced setting.
The power inputs so measured shall in the case of the induction heating sources not
deviate from the power input marked or declared by the manufacturer (see 7.1) by more
than 10 %, and in the case of the non-induction heating sources not deviate from the
power input marked or declared by the manufacturer (see 7.1) by more than that given in
table 1 for heating appliances.
In addition, the power input of the appliance when the induction and non-induction
heating sources are operated simultaneously shall not deviate from the rated power
input
by more than 10 %.
Addition:
NOTE 101 For appliances having more than one heating unit, the total power input may be determined by
measuring the power input of each heating unit separately (see also 2.2.4).

©
60335-2-36 IEC:2000(E) – 13 –

11 Heating
This clause of part 1 is applicable except as follows.

11.2 Addition:
Appliances intended to be fixed to the floor and appliances with a mass greater than 40 kg

and not provided with rollers, castors or similar means are installed in accordance with the

manufacturer's instructions. If no instructions are given, these appliances are considered as

appliances normally placed on the floor.

11.3 Addition:
NOTE 101 If the measurements can be unduly influenced by emissions from an induction heating source,
i.e. the magnetic field, this must be taken into account.
In general, the use of thermocouples is not recommended because of the expected faulty heating-up of the
thermocouples caused by the . For example, the temperature rise of the
induction heating source induction
heating source can be determined by using a platinum resistance, preferably of high resistance, with twisted
connecting wires. The platinum resistances are placed on the hottest point of the winding so as to influence as little
as possible the temperature to be measured.
11.4 Replacement:
The non-induction heating units of the appliance are operated under normal operation at
1,15 times the power input marked or declared (see 7.1).
If the temperature rise limits of motors, transformers or electronic circuits are exceeded, the
test is repeated with the appliance supplied at 1,06 times rated voltage. In this case, only
the temperature rises of motors, transformers and electronic circuits are measured.
Induction heating units are operated simultaneously and supplied separately at the most
unfavourable voltage between 0,94 times minimum rated voltage and 1,06 times maximum
rated voltage.
If it is not possible to switch on all heating elements or induction heating sources at the
same time, the test is made with each of the combinations that the switch arrangement will
allow, the highest load possible with each switching arrangement being in circuit.
If the appliance is provided with a control which limits the total power input, the test is made
with whichever combination of heating units, as may be selected by the control, imposes
the severest condition.
In addition, appliances incorporating induction heating sources are also operated as
above, but with the smallest size of pan as recommended by the manufacturer placed in
the most onerous position consistent with being able to energize the coil, but within the
cooking zone.
NOTE The additional operating condition described above is not applied when reference to clause 11 is made in
other tests.
11.7 Replacement:
Appliances are operated until steady conditions are established.

– 60335-2-36 © IEC:2000(E)
14 –
11.8 Addition:
The limit of 65 K temperature rise for the rear and side test walls, including the part of the

test corner which projects in front of the appliance, only applies below the level of the hob

surface. If this temperature rise limit is exceeded above the hob surface then the

.
requirements of 7.101 apply
12 Void
13 Leakage current and electric strength at operating temperature

This clause of part 1 is applicable except as follows.
13.1 Modification:
Instead of the first four paragraphs of the test specification the following applies:
Compliance is checked by the tests of 13.2 and 13.3, which are made after the appliance has
been operated under the conditions specified in clause 11. The appliance is operated until the
leakage current has reached a steady value or for the time specified in 11.7, whichever is
the shorter period.
If more than one pan is placed on a single cooking zone, they are electrically connected
together.
13.2 Modification:
Instead of the permissible leakage current for stationary class I appliances, the following
applies:
– for cord and plug connected appliances 1 mA per kW rated power input of the
appliance with a maximum of 10 mA
– for other appliances 1 mA per kW rated power input of the
appliance with no maximum
NOTE 101 Leakage current limits are different (Japan).
Addition:
If there is earthed metal between live parts and the surface of glass-ceramic or similar

material, the leakage current is measured for each of the cooking zones in turn, only the
pan(s) concerned being connected to earthed metal.
The leakage current shall not exceed 1 mA per kW of the power input of the heating unit
being tested
.
NOTE 102 The power input of the heating unit is measured under the conditions of clause 10.
If there is no earthed metal between live parts and the surface of glass-ceramic or similar
material, the leakage current is measured between each pole of the supply and the pan(s) for
each of the cooking zones in turn, the pan(s) concerned being unconnected to earthed
metal.
In addition, the leakage current is measured between each pole of the supply and a probe
consisting of a flat metal disc 50 mm in diameter. The probe is placed in all positions on the
hob surface outside the cooking zones, the pans remaining in position.

©
60335-2-36 IEC:2000(E) – 15 –

For each measurement the leakage current shall not exceed 0,25 mA.

For hob elements with induction heating sources, the leakage current is also measured

between live parts and the pan(s) for each of the cooking zones in turn, using the circuit

shown in figure 103. It shall not exceed 0,7 mA (peak) multiplied by the operating frequency in

kilohertz or 70 mA (peak), whichever is less.

NOTE 103 Care should be taken that the measurement is not influenced by, for example, antennae effect.

13.3 Addition:
If there is earthed metal between live parts and the surface of glass-ceramic or similar

material, all the pans on the hob surface are electrically connected together and to earthed
metal.
A test voltage of 1 000 V is then applied between live parts and the pans.
If there is no earthed metal between live parts and the surface of glass-ceramic or similar
material, all the pans on the hob surface are electrically connected together, but not
connected to earthed metal.
A test voltage of 3 750 V is then applied between live parts and the pans.
For hob elements incorporating induction heating sources having working voltages above
250 V, the following test voltages apply:
– 1 000 V is increased to 1,2 × U + 700 V
– 2 750 V is increased to 1,2 × U + 2 450 V
– 3 750 V is increased to 2,4 × U + 3 150 V
where U is the working voltage.
NOTE 101 Care is taken to ensure that the voltage applied does not overstress the other insulations.
14 Void
15 Moisture resistance
This clause of part 1 is applicable except as follows.

15.1.1 Addition:
In addition, IPX0, IPX1, IPX2, IPX3 and IPX4 appliances are subjected for 5 min to the
following splash test:
The apparatus shown in figure 102 is used. During the test, the water pressure is so regulated
that the water splashes up 150 mm above the bottom of the bowl. The bowl is placed on the
floor for appliances normally used on the floor and, for all other appliances on a horizontal
support 50 mm below the lowest edge of the appliance; the bowl is moved around in such a
way as to splash the appliance from all directions. Care is taken that the appliance is not hit
by the direct jet.
– 60335-2-36 © IEC:2000(E)
16 –
15.1.2 Modification:
Appliances normally used on a table are placed on a support having dimensions which are
15 cm ± 5 cm in excess of those of the orthogonal projection of the appliance on the support.

Addition:
If detailed instructions regarding the cleaning of movable but non-detachable (for example

hinged) hob elements are given in the instruction sheet, tests on these hob elements are
carried out with the elements in the horizontal position of normal use.

15.2 Replacement:
Appliances shall be constructed so that spillage of liquid in normal use does not affect their
electrical insulation.
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 cable or cord of the smallest cross-sectional area
specified in 26.2 and other appliances are tested as delivered
.
Detachable parts are removed.
Appliances are positioned so that the hob surface is horizontal and if the hob elements are
adjustable separately, their surfaces are also horizontal.
A vessel having a diameter equal to or not more than 25 mm smaller than the largest
inscribed circle on the hob element or cooking zone is completely filled with cold salt water
and placed in the most unfavourable position, not overlapping the hob element or the
cooking zone.
A further quantity of cold salt water equal to approximately 2 l is poured steadily into the
vessel over a period of 1 min.
hob element
NOTE 1 The test is made on each separately, the tray or other receptacle being emptied each time.
For appliances incorporating ovens or grills, the spillage test is made by pouring steadily over
a period of 1 min approximately 1 l of cold salt water over the bottom surface of the oven or
grilling compartment.
For appliances incorporating griddle plates, approximately 1 l of cold salt water is poured
steadily over a period of 1 min onto the centre of the surface of the griddle plate.
If controls are mounted in the hob surface of the appliance,1 l of cold salt water is poured
steadily over a period of 1 min over the controls.
NOTE 2 The salt water solution contains approximately 1 % NaCl.
Immediately after this treatment, the appliance shall withstand an electric strength test
as specified in 16.3 and inspection shall show that water which may have entered the
appliance does not impair compliance with this standard, in particular, there shall be no trace
of water on insulation for which creepage distances and clearances are specified in 29.1.

©
60335-2-36 IEC:2000(E) – 17 –

15.3 Addition:
NOTE 101 If it is not possible to place the whole appliance in the humidity cabinet, parts containing electrical

components are tested separately, taking into account the conditions which occur in the appliance.

15.101 Appliances which are provided with a tap intended for filling or cleaning, shall be
constructed so that the water from the tap cannot come into contact with live parts.

Compliance is checked by the following test:

The tap is fully opened for 1 min with the appliance connected to a water supply having the
maximum water pressure indicated by the manufacturer. Tiltable and movable parts, including
lids, are tilted or placed in the least favourable positions. Swivelling outlets of water taps are
positioned so as to direct water onto those parts which will give the least favourable result.
Immediately following this treatment the appliance shall withstand an electric strength test as
specified in 16.3.
16 Leakage cu
...