Household and similar electrical appliances - Safety - Part 2-76: Particular requirements for electric fence energizers

IEC 60335-2-76:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60335-2-76:2018 deals with the safety of electric fence energizers, the rated voltage of which is not more than 250 V and by means of which fence wires in agricultural, domestic or feral animal control fences and security fences may be electrified or monitored. Examples of electric fence energizers coming within the scope of this standard are:
– mains-operated energizers;
– battery-operated electric fence energizers suitable for connection to the mains;
– electric fence energizers operated by non-rechargeable batteries either incorporated or separate.
This standard does not apply to:
– electromagnetically coupled animal trainer collars;
– 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);
– separate battery chargers (IEC 60335-2-29);
– electric fishing machines (IEC 60335-2-86);
– electric animal-stunning equipment (IEC 60335-2-87);
– appliances for medical purposes (IEC 60601).
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 fifth edition (2010) of that standard. This third edition cancels and replaces the second edition published in 2002, Amendment 1:2006 and Amendment 2:2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
– the text has been aligned with Edition 5.2 of Part 1;
– additional requirements for security fence energizers have been introduced (Clauses 3, 7, 19, 22, Figures and Annex BB);
– specific requirements for battery operated energizers have been moved to Annex S.
The contents of the corrigendum of November 2018 have been included in this copy.

Appareils électrodomestiques et analogues – Sécurité - Partie 2-76: Exigences particulières pour les électrificateurs de clôtures

L'IEC 60335-2-76:2018 traite de la sécurité des électrificateurs de clôtures, dont la tension assignée n'est pas supérieure à 250 V et au moyen desquels des fils de clôtures pour clôtures agricoles, de contrôle des animaux domestiques ou sauvages et clôtures de sécurité peuvent être électrifiés ou commandés.
Les éléments suivant sont des exemples d'électrificateurs de clôtures entrant dans le domaine d'application de la présente norme:
– électrificateurs fonctionnant sur le réseau;
– électrificateurs de clôtures fonctionnant sur piles ou accumulateurs et destinés à être raccordés au réseau (voir la Figure 101 et la Figure 102);
– électrificateurs de clôtures alimentés par piles incorporées ou séparées.
La présente norme ne tient en général pas compte:
– de l'utilisation des appareils par de jeunes enfants ou des personnes handicapées sans surveillance;
– de l'emploi de l'appareil comme jouet par de jeunes enfants.
L'attention est attirée sur le fait que:
– pour les appareils destinés à être utilisés à bord de navires ou d'avions, des exigences supplémentaires peuvent être nécessaires;
– dans de nombreux pays, des exigences supplémentaires sont spécifiées par les organismes nationaux de la santé, par les organismes nationaux responsables de la protection des travailleurs, par les organismes nationaux responsables de l'alimentation en eau et par des organismes similaires.
La présente norme ne s’applique pas:
– aux colliers de dressage pour animaux couplés électromagnétiquement;
– 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);
– aux chargeurs de batteries séparés (IEC 60335-2-29);
– aux équipements électriques de pêche (IEC 60335-2-86);
– aux appareils électriques d'insensibilisation des animaux (IEC 60335-2-87);
– aux appareils électromédicaux (IEC 60601).
Cette troisième édition annule et remplace la deuxième édition publiée en 2002, son Amendement 1 (2006) et son Amendement 2 (2013). Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques significatives suivantes par rapport à l'édition précédente:
- le texte a été aligné sur celui de l'Édition 5.2 de la Partie 1;
- des exigences supplémentaires relatives aux électrificateurs de clôtures ont été introduites (Article 3, Article 7, Article 19, Article 22, Figures et Annexe BB);
- les exigences spécifiques relatives aux électrificateurs de clôture fonctionnant sur piles ou accumulateurs ont été déplacées vers l'Annexe S.
La présente Partie 2 doit être utilisée conjointement avec la dernière édition de l'IEC 60335-1 et ses amendements. Elle a été établie sur la base de la cinquième édition (2010) de cette norme.

General Information

Status
Published
Publication Date
28-Jun-2018
Current Stage
PPUB - Publication issued
Completion Date
29-Jun-2018
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IEC 60335-2-76
Edition 3.0 2018-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-76: Particular requirements for electric fence energizers
Appareils électrodomestiques et analogues – Sécurité
Partie 2-76: Exigences particulières pour les électrificateurs de clôtures
IEC 60335-2-76:2018-06(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60335-2-76
Edition 3.0 2018-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-76: Particular requirements for electric fence energizers
Appareils électrodomestiques et analogues – Sécurité
Partie 2-76: Exigences particulières pour les électrificateurs de clôtures
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 65.040.99 ISBN 978-2-8322-6565-9

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 – IEC 60335-2-76:2018 © IEC 2018
CONTENTS

FOREWORD ........................................................................................................................... 4

INTRODUCTION ..................................................................................................................... 7

1 Scope .............................................................................................................................. 8

2 Normative references ...................................................................................................... 8

3 Terms and definitions ...................................................................................................... 9

4 General requirement ...................................................................................................... 13

5 General conditions for the tests ..................................................................................... 13

6 Classification ................................................................................................................. 14

7 Marking and instructions ................................................................................................ 15

8 Protection against access to live parts ........................................................................... 18

9 Starting of motor-operated appliances ........................................................................... 18

10 Power input and current ................................................................................................. 18

11 Heating .......................................................................................................................... 18

12 Void ............................................................................................................................... 20

13 Leakage current and electric strength at operating temperature ..................................... 20

14 Transient overvoltages .................................................................................................. 21

15 Moisture resistance ....................................................................................................... 22

16 Leakage current and electric strength ............................................................................ 22

17 Overload protection of transformers and associated circuits .......................................... 23

18 Endurance ..................................................................................................................... 23

19 Abnormal operation ....................................................................................................... 24

20 Stability and mechanical hazards ................................................................................... 26

21 Mechanical strength ...................................................................................................... 26

22 Construction .................................................................................................................. 27

23 Internal wiring ................................................................................................................ 31

24 Components .................................................................................................................. 32

25 Supply connection and external flexible cords ............................................................... 32

26 Terminals for external conductors .................................................................................. 32

27 Provision for earthing .................................................................................................... 33

28 Screws and connections ................................................................................................ 33

29 Clearances, creepage distances and solid insulation ..................................................... 33

30 Resistance to heat and fire ............................................................................................ 33

31 Resistance to rusting ..................................................................................................... 34

32 Radiation, toxicity and similar hazards ........................................................................... 34

Annexes ............................................................................................................................... 40

Annex A (informative) Routine tests ..................................................................................... 40

Annex B (normative) Appliances powered by rechargeable batteries that are

recharged in the appliance .................................................................................................... 41

Annex S (normative) Battery-operated appliances powered by batteries that are non-

rechargeable or not recharged in the appliance .................................................................... 43

Annex AA (informative) Circuit for the independent control of the switching speed of

the major impulse-switching device ....................................................................................... 47

---------------------- Page: 4 ----------------------
IEC 60335-2-76:2018 © IEC 2018 – 3 –

Annex BB (normative) Instructions for installation and connection of electric fences ............ 48

BB.1 Instructions for electric animal fences ................................................................... 48

BB.2 Instructions for electric security fences not supplied from a security

energizer group..................................................................................................... 50

BB.3 Instructions for electric security fences supplied from a security energizer

group .................................................................................................................... 52

Annex CC (informative) Installation of electric security fences ............................................. 56

CC.1 General ................................................................................................................. 56

CC.2 Location of electric security fence ......................................................................... 56

CC.3 Prohibited zone for pulsed conductors .................................................................. 56

CC.4 Separation between electric fence and physical barrier ......................................... 56

CC.5 Prohibited mounting .............................................................................................. 57

CC.6 Operation of electric security fence ....................................................................... 57

Bibliography .......................................................................................................................... 60

Figure 101 – Schematic examples of type A energizers, type B energizers

and type C energizers ........................................................................................................... 35

Figure 102 – Schematic examples of the different types of type D energizers ....................... 36

Figure 103 – Current limited energizer characteristic limit line .............................................. 37

Figure 104 – Type R security energizer group test configurations ......................................... 38

Figure 105 – Type S security energizer group test configurations ......................................... 39

Figure AA.1 – Circuit for the independent control of the switching speed of the major

impulse-switching device ...................................................................................................... 47

Figure BB.1 – Symbol for warning sign ................................................................................. 55

Figure CC.1 – Prohibited area for pulse conductors .............................................................. 57

Figure CC.2 – Typical constructions where an electric security fence is exposed

to the public .......................................................................................................................... 58

Figure CC.3 – Typical fence constructions where the electric security fence is installed

in windows and skylights ....................................................................................................... 59

Table 101 – Battery source impedance ................................................................................. 19

Table 102 – Rated supply voltage maximum and minimum value multiplier factors................ 19

Table 103 – Supply voltage value test settings ...................................................................... 20

Table 104 – Test supply sequence for different supply type .................................................. 20

Table 105 – Additional test voltages ..................................................................................... 23

Table BB.1 – Minimum clearances from power lines for electric animal fences ...................... 49

Table BB.2 – Minimum clearances from power lines for electric security fences not

supplied from a security energizer group .............................................................................. 51

Table BB.3 – Minimum clearances from power lines for electric security fences

supplied from a security energizer group .............................................................................. 54

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– 4 – IEC 60335-2-76:2018 © IEC 2018
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY –
Part 2-76: Particular requirements for electric fence energizers
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 subcommittee 61H:

Safety of electrically-operated farm appliances, of IEC technical committee 61: Safety of

household and similar electrical appliances.

This bilingual version (2019-02) corresponds to the monolingual English version, published in

2018-06.
This third edition cancels and replaces the second edition published in 2002,

Amendment 1:2006 and Amendment 2:2013. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
• the text has been aligned with Edition 5.2 of Part 1;

• additional requirements for security fence energizers have been introduced (Clauses 3, 7,

19, 22, Figures and Annex BB);
---------------------- Page: 6 ----------------------
IEC 60335-2-76:2018 © IEC 2018 – 5 –

• specific requirements for battery operated energizers have been moved to Annex S.

The text of this International Standard is based on the following documents:
FDIS Report on voting
61H/366/FDIS 61H/367/RVD

Full information on the voting for the approval of this International Standard can be found in

the report on voting indicated in the above table.
The French version of this standard has not been voted upon.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all parts in the IEC 60335 series, published 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. It was established on the basis of the fifth edition (2010) 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 fence

energizers.

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

associated noun are also in bold.

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 this publication be adopted for implementation

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

The following differences exist in the countries indicated below:
6.101: Only energy limited energizers are allowed (All EU and EFTA counties).
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– 6 – IEC 60335-2-76:2018 © IEC 2018

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

The contents of the corrigendum of November 2018 have been included in this copy.

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.
---------------------- Page: 8 ----------------------
IEC 60335-2-76:2018 © IEC 2018 – 7 –
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.

NOTE 1 Throughout this publication, when “Part 1” is mentioned, it refers to IEC 60335-1.

When a part 2 standard does not include additional requirements to cover hazards dealt with

in Part 1, Part 1 applies.

NOTE 2 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 3 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.

---------------------- Page: 9 ----------------------
– 8 – IEC 60335-2-76:2018 © IEC 2018
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY –
Part 2-76: Particular requirements for electric fence energizers
1 Scope
This clause of Part 1 is replaced by the following.

This part of IEC 60335 deals with the safety of electric fence energizers, the rated voltage

of which is not more than 250 V and by means of which fence wires in agricultural, domestic

or feral animal control fences and security fences may be electrified or monitored.

NOTE 101 Examples of electric fence energizers coming within the scope of this standard are:

– mains-operated energizers;

– battery-operated electric fence energizers suitable for connection to the mains, as shown in Figure 101

and Figure 102;

– electric fence energizers operated by non-rechargeable batteries either incorporated or separate.

This standard does not in general take into account
– the use of appliances by young children or infirm persons without supervision;
– the playing with appliances by young children.
NOTE 102 Attention is drawn to the fact that

– for appliances intended to be used 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.

NOTE 103 This standard does not apply to
– electromagnetically coupled animal trainer collars;

– 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);
– separate battery chargers (IEC 60335-2-29);
– electric fishing machines (IEC 60335-2-86);
– electric animal-stunning equipment (IEC 60335-2-87);
– appliances for medical purposes (IEC 60601).
2 Normative references
This clause of Part 1 is applicable except as follows.
Addition:

IEC 60068-2-52:2017, Environmental testing – Part 2: Tests – Test Kb: Salt mist, cyclic

(sodium chloride solution)

IEC 60320-3, Appliance couplers for household and similar general purposes – Part 3:

Standard sheets and gauges

ISO 3864-1, Graphical symbols – Safety colours and safety signs – Part 1: Design principles

for safety signs and safety markings
---------------------- Page: 10 ----------------------
IEC 60335-2-76:2018 © IEC 2018 – 9 –
3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.1 Definitions relating to physical characteristics
3.1.1 Addition:

Note 1 to entry: For type D energizers, the rated voltage of the energizer is the rated voltage for battery

supply.
Replacement:
3.1.9
normal operation

operation of the appliance under the following conditions: the electric fence energizer is

operated as in normal use when connected to the supply, with no load connected to the

output terminals
3.1.101
prospective peak voltage

peak output voltage of the impulse generator specified in Clause 14 that would be obtained

with the energizer not connected to the test circuit
3.1.102
rated voltage for battery supply

voltage for battery supply, for type A energizers, type B energizers, type C energizers and

type D energizers assigned to the energizer by the manufacturer
3.1.103
rated voltage range for battery supply

voltage range for battery supply, for type A energizers, type B energizers, type C

energizers and type D energizers assigned to the energizer by the manufacturer, expressed

by its lower and upper limits
3.1.104
impulse duration

duration of that part of the impulse that contains 95 % of the overall energy and is the shortest

2 2

interval of integration of I (t) that gives 95 % of the integration of I (t) over the total impulse

Note 1 to entry: I(t) is the impuls
...

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