IEC_60335-2-76_2.pdf

INTERNATIONALSTANDARDIEC60335-2-76Second edition2002-08Household and similar electrical appliances Safety Part 2-76:Particular requirements for electric fenceenergizersAppareils lectrodomestiques et analogues Scurit Partie 2-76:Rgles particulires pour les lectrificateursde clturesReference numberIEC 60335-2-76:2002(E)Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,thebase publication incorporating amendment 1 and the base publication incorporatingamendments 1 and 2.Further information on IEC publicationsThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating tothis publication,including its validity,is available in the IEC Catalogue ofpublications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication,as well as the listof publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publicationsThe on-line catalogue on the IEC web site(www.iec.ch/catlg-e.htm)enablesyou to search by a variety of criteria including text searches,technicalcommittees and date of publication.On-line information is also available onrecently issued publications,withdrawn and replaced publications,as well ascorrigenda.IEC Just PublishedThis summary of recently issued publications(www.iec.ch/JP.htm)is alsoavailable by email.Please contact the Customer Service Centre(see below)forfurther information.Customer Service CentreIf you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00INTERNATIONALSTANDARDIEC60335-2-76Second edition2002-08Household and similar electrical appliances Safety Part 2-76:Particular requirements for electric fenceenergizersAppareils lectrodomestiques et analogues Scurit Partie 2-76:Rgles particulires pour les lectrificateursde cltures IEC 2002 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chSFor price,see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Electrotechnical Commission 2 60335-2-76 IEC:2002(E)CONTENTSFOREWORD.4INTRODUCTION.61Scope.72Normative references.73Definitions.74General requirement.115General conditions for the tests.116Classification.127Marking and instructions.128Protection against access to live parts.139Starting of motor-operated appliances.1410Power input and current.1411Heating.1412Void.1513Leakage current and electric strength at operating temperature.1514Transient overvoltages.1515Moisture resistance.1716Leakage current and electric strength.1717Overload protection of transformers and associated circuits.1818Endurance.1819Abnormal operation.1920Stability and mechanical hazards.2121Mechanical strength.2122Construction.2123Internal wiring.2424Components.2425Supply connection and external flexible cords.2426Terminals for external conductors.2527Provision for earthing.2628Screw and connections.2629Clearances,creepage distances and solid insulation.2630Resistance to heat and fire.2631Resistance to rusting.2732Radiation,toxicity and similar hazards.27Annexes.30Annex AA(informative)Circuit for the independent control of the switching speed ofthe major pulse-switching device.32Annex BB(normative)Instructions for installation and connection of electric fences.33Annex CC(informative)Installation of electric security fences.39Bibliography.4360335-2-76 IEC:2002(E)3 Figure 101 Schematic examples of the different types of battery-operated energizerssuitable for connection to the mains.28Figure 102 Current limited energizer characteristic limit line.29Figure AA.1 Circuit for the independent control of the switching speed of the majorpulse-switching device.32Figure BB.1 Symbol for warning sign.38Figure CC1 Prohibited area for pulse conductors.40Figure CC2 Typical constructions where an electric security fence is exposed to thepublic.41Figure CC3 Typical fence constructions where the electric security fence is installedin windows and skylights.42Table 101 Battery source impedance.15Table 102 Additional test voltages.17Table BB 1 Minimum clearances from power lines for electric animal fences.34Table BB 2 Minimum c