Household and similar electrical appliances - Safety - Part 2-16: Particular requirements for food waste disposers

IEC 60335-2-16:2002+A1:2008+A2:2011 deals with the safety of electric food waste disposers for household and similar purposes, their rated voltage being not more than 250 V. This standard does not apply to portable food waste disposers; food waste disposers of the incinerator type; appliances intended exclusively for industrial or commercial purposes; appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapor or gas).
This publication is to be read in conjunction with  IEC 60335-1:2010.
This consolidated version consists of the fifth edition (2002), its amendment 1 (2008) and its amendment 2 (2011). Therefore, no need to order amendments in addition to this publication.

Appareils électrodomestiques et analogues - Sécurité - Partie 2-16: Règles particulières pour les broyeurs de déchets

La CEI 60335-2-16:2002+A1:2008+A2:2011 traite de la sécurité des broyeurs de déchets électriques pour usages domestiques et analogues dont la tension assignée n'est pas supérieure à 250 V. La présente norme ne s'applique pas aux broyeurs de déchets mobiles; aux broyeurs de déchets du type à incinération; aux appareils prévus exclusivement pour des usages industriels ou commerciaux; aux appareils destinés à être utilisés dans des locaux présentant des conditions particulières, telles que la présence d'une atmosphère corrosive ou explosive (poussière, vapeur ou gaz).
Cette publication doit être lue conjointement avec la  CEI 60335-1:2010.
Cette version consolidée comprend la cinquième édition (2002), son amendement 1 (2008) et son amendement 2 (2011). Il n'est donc pas nécessaire de commander les amendements avec cette publication.

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Status
Published
Publication Date
29-Jan-2012
Current Stage
PPUB - Publication issued
Start Date
30-Jan-2012
Completion Date
30-Jan-2012
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IEC 60335-2-16
Edition 5.2 2012-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –
Part 2-16: Particular requirements for food waste disposers
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-16: Règles particulières pour les broyeurs de déchets
IEC 60335-2-16:2002+A1:2008+A2:2011
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
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---------------------- Page: 2 ----------------------
IEC 60335-2-16
Edition 5.2 2012-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –
Part 2-16: Particular requirements for food waste disposers
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-16: Règles particulières pour les broyeurs de déchets
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX CE
ICS 13.120; 97.040.50 ISBN 978-2-88912-874-7

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – 60335-2-16  IEC:2002+A1:2008
+A2:2011
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 6

1 Scope ............................................................................................................................... 7

2 Normative references ....................................................................................................... 7

3 Definitions ........................................................................................................................ 7

4 General requirement ......................................................................................................... 8

5 General conditions for the tests ........................................................................................ 8

6 Classification .................................................................................................................... 8

7 Marking and instructions ................................................................................................... 8

8 Protection against access to live parts .............................................................................. 9

9 Starting of motor-operated appliances .............................................................................. 9

10 Power input and current ................................................................................................... 9

11 Heating ............................................................................................................................ 9

12 Void.................................................................................................................................. 9

13 Leakage current and electric strength at operating temperature ........................................ 9

14 Transient overvoltages ..................................................................................................... 9

15 Moisture resistance ........................................................................................................ 10

16 Leakage current and electric strength ............................................................................. 10

17 Overload protection of transformers and associated circuits ........................................... 10

18 Endurance ...................................................................................................................... 10

19 Abnormal operation ........................................................................................................ 10

20 Stability and mechanical hazards ................................................................................... 10

21 Mechanical strength ....................................................................................................... 11

22 Construction ................................................................................................................... 11

23 Internal wiring ................................................................................................................. 12

24 Components ................................................................................................................... 12

25 Supply connection and external flexible cords ................................................................ 12

26 Terminals for external conductors ................................................................................... 12

27 Provision for earthing ..................................................................................................... 12

28 Screws and connections ................................................................................................. 12

29 Clearances, creepage distances and solid insulation ...................................................... 13

30 Resistance to heat and fire ............................................................................................. 13

31 Resistance to rusting ...................................................................................................... 13

32 Radiation, toxicity and similar hazards ............................................................................ 13

Annexes ............................................................................................................................... 14

Annex C (normative) Aging test on motors .......................................................................... 14

Annex R (normative) Software evaluation ........................................................................... 14

Bibliography .......................................................................................................................... 14

---------------------- Page: 4 ----------------------
60335-2-16  IEC:2002+A1:2008 – 3 –
+A2:2011
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-16: Particular requirements for food waste disposers
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) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

This part of International Standard IEC 60335 has been prepared by IEC technical committee 61:

Safety of household and similar electrical appliances.

This consolidated version of IEC 60335-2-16 consists of the fifth edition (2002) [documents

61/2278/FDIS and 61/2332/RVD], its amendment 1 (2008) [documents 61/3542/FDIS and

61/3596/RVD] and its amendment 2 (2011) [documents 61/4105/CDV and 61/4202/RVC].

The technical content is therefore identical to the base edition and its amendments and has

been prepared for user convenience.
It bears the edition number 5.2.

A vertical line in the margin shows where the base publication has been modified by

amendments 1 and 2.
---------------------- Page: 5 ----------------------
– 4 – 60335-2-16  IEC:2002+A1:2008
+A2:2011
The French version of this standard has not been voted upon.

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 fourth edition (2001) 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: Safety requirements for electric food waste disposers.

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 following differences exist in the countries indicated below.

– Clause 1: The installation of food waste disposers is not allowed (Austria, Germany and Netherlands).

– Clause 1: Permission to install food waste disposers depends upon the local authority responsible for the

sewage system (Czech Republic, Denmark, Finland, France, Italy, Japan, Norway, Slovakia, Switzerland and

Turkey).

– Clause 1: Permission to install food waste disposers depends upon the national authority (China).

– 3.1.9: Normal operation is different (USA).
– 6.1: Class 0I appliances are allowed (Japan).
– 11.7: The operating cycles are different (USA).
– 15.2: The test methods are different (USA).
– 19.7: The test methods are different (USA).
– 19.9: A running overload test is carried out (USA).
– 20.101: The test is different (USA).
– 22.104: The test is not carried out (USA).

The committee has decided that the contents of the base publication and its amendments will

remain unchanged until the stability date indicated on the IEC web site under

"http://webstore.iec.ch" in the data related to the specific publication. At this date, the

publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 6 ----------------------
60335-2-16  IEC:2002+A1:2008 – 5 –
+A2:2011

NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing

organizations may 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 the amendment 1 be adopted for implementation

nationally not earlier than 12 months or later than 36 months from the date of publication.

It is the recommendation of the committee that the content of the amendment 2 be adopted for implementation

nationally not earlier than 12 months or later than 36 months from the date of publication.

---------------------- Page: 7 ----------------------
– 6 – 60335-2-16  IEC:2002+A1:2008
+A2:2011
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.

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 may 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 and generic standards 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. For

example, in the case of temperature requirements for surfaces on many appliances, generic standards, such as

ISO 13732-1 for hot surfaces, are not applicable in addition to Part 1 or part 2 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.
---------------------- Page: 8 ----------------------
60335-2-16  IEC:2002+A1:2008 – 7 –
+A2:2011
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-16: Particular requirements for food waste disposers
1 Scope
This clause of Part 1 is replaced by the following.

This International Standard deals with the safety of electric food waste disposers for

household and similar purposes, their rated voltage being not more than 250 V.

Appliances not intended for normal household use but that nevertheless may 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

appliances 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.
NOTE 101 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;

– 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;
– the installation of food waste disposers may be restricted or not allowed.
NOTE 102 This standard does not apply to
– portable food waste disposers;
– food waste disposers of the incinerator type;
– appliances intended exclusively for industrial or commercial 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).
2 Normative references
This clause of Part 1 is applicable.
3 Definitions
This clause of Part 1 is applicable except as follows.
---------------------- Page: 9 ----------------------
– 8 – 60335-2-16  IEC:2002+A1:2008
+A2:2011
3.1.9 Replacement:
normal operation
operation of the appliance under the following conditions

The hopper is filled with 30 cubes of soft pinewood, the side of each cube having a length of

12 mm ± 2 mm. The appliance is operated with water having a temperature between 10 °C

and 24 °C flowing through the appliance at a rate of 8 l/min. If the hopper cannot contain all

the cubes at the same time, they are added as quickly as possible during the operation of the

appliance.
3.101
food waste disposer

appliance installed in the outlet of a sink and used for reducing food waste to small particles

that are discharged with water into the drainage system
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.
5.101 Except for Clause 10 and 20.102, the conditions of normal operation may be

simulated by loading the appliance by means of a dynamometer or by blocking the outlet and

maintaining the head of water at a constant level.
6 Classification
This clause of Part 1 is applicable except as follows.
6.1 Modification:
Appliances shall be class I, class II or class III.
7 Marking and instructions
This clause of Part 1 is applicable except as follows.
7.12 Addition:
The instructions shall state the substance of the following:

– do not use this appliance to dispose of hard materials such as glass and metal;

– switch off or unplug the appliance before attempting to free a jammed rotor with an

implement.

If a minimum water flow rate is necessary for the operation of the appliance, this information

shall be stated.
---------------------- Page: 10 ----------------------
60335-2-16  IEC:2002+A1:2008 – 9 –
+A2:2011
7.12.1 Addition:

The instructions shall state that the appliance must be installed so that reset buttons and

reversing switches are readily accessible.
8 Protection against access to live parts
This clause of Part 1 is applicable.
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 representative period is between the fifth second and the fifteenth second of operation.

10.2 Addition:

The representative period is between the fifth second and the fifteenth second of operation.

11 Heating
This clause of Part 1 is applicable except as follows.
11.7 Replacement:
Appliances of the continuous-feed type are operated for 4 min.

Appliances of the batch-feed type are operated for two periods of 2 min with a rest period of

30 s during which they are switched off.
12 Void
13 Leakage current and electric strength at operating temperature
This clause of Part 1 is applicable.
14 Transient overvoltages
This clause of Part 1 is applicable.
---------------------- Page: 11 ----------------------
– 10 – 60335-2-16  IEC:2002+A1:2008
+A2:2011
15 Moisture resistance
This clause of Part 1 is applicable except as follows.
15.2 Replacement:

Appliances shall be constructed so that obstruction of the outlet does not affect their electrical

insulation.
Compliance is checked by the following test.

The outlet of the appliance is blocked and the sink filled with water to a depth of 200 mm,

measured from the lowest point inside the sink. The appliance is supplied at rated voltage

and operated until a protective device operates or for 15 min, whichever is shorter. The

appliance is operated again after a rest period of 15 min.

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 and

creepage distances below the values specified in Clause 29.
16 Leakage current and electric strength
This clause of Part 1 is applicable.
17 Overload protection of transformers and associated circuits
This clause of Part 1 is applicable.
18 Endurance
This clause of Part 1 is not applicable.
19 Abnormal operation
This clause of Part 1 is applicable except as follows.
19.7 Modification:
Appliances are operated without water for
– 30 s, for continuous-feed types;
– 5 min, for batch-feed types.
19.9 Not applicable.
20 Stability and mechanical hazards
This clause of Part 1 is applicable except as follows.
---------------------- Page: 12 ----------------------
60335-2-16  IEC:2002+A1:2008 – 11 –
+A2:2011
20.2 Addition:
The test probe is not applied to the inlet of the appliance.

20.101 Unless access to moving parts through the inlet opening is otherwise prevented, any

cover over the inlet opening shall be interlocked so that the appliance can only be operated

when the cover is in the closed position.

Compliance is checked by inspection and by means of test probe 31 of IEC 61032 applied

with a force of 50 N to the inlet opening with any cover in the open position, the appliance

being supplied at rated voltage with detachable parts preventing food waste from being

ejected or preventing utensils from falling into the grinding chamber removed. It shall not be

possible to touch moving parts with the probe and they shall be located at least 100 mm from

the top of the inlet.

If compliance utilizes an interlocked cover that relies on an electronic circuit, the appliance

is further tested as follows.

The appliance is supplied at rated voltage and operated under normal operation. The tests

of 19.11.4.1 to 19.11.4.7 are then applied. It shall not be possible to open the cover during

and after the tests with a force of 50 N applied to the cover.

The appliance is supplied at rated voltage and operated under normal operation. The fault

conditions in a) to g) of 19.11.2 are then considered and, if necessary, applied one at a time

to the electronic circuit. It shall not be possible to open the cover during and after the tests

with a force of 50 N applied to the cover.

If the electronic circuit is programmable, the software shall contain measures to control the

fault/error conditions specified in Table R.1 and is evaluated in accordance with the relevant

requirements of Annex R.
20.102 Food waste shall not be ejected through the inlet opening.

Compliance is checked with the appliance supplied at rated voltage and operated under

normal operation. Pieces of the wooden c
...

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