1、INTERNATIONALSTANDARDIEC60335-2-26Fourth edition2002-10Household and similar electrical appliances Safety Part 2-26:Particular requirements for clocksAppareils lectrodomestiques et analogues Scurit Partie 2-26:Rgles particulires pour les horlogesReference numberIEC 60335-2-26:2002(E)Publication numb
2、eringAs 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,respecti
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8、19 03 00INTERNATIONALSTANDARDIEC60335-2-26Fourth edition2002-10Household and similar electrical appliances Safety Part 2-26:Particular requirements for clocksAppareils lectrodomestiques et analogues Scurit Partie 2-26:Rgles particulires pour les horloges IEC 2002 Copyright-all rights reservedNo part
9、 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
10、 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chFFor price,see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Electrotechnical Commission 2 60335-2-26 IEC:2002(E)CONTENTSFOREWORD.3INTRODUCTION.51Scope.62Normative references.63Definitions.6
11、4General requirement.75General conditions for the tests.76Classification.77Marking and instructions.78Protection against access to live parts.79Starting of motor-operated appliances.710Power input and current.711Heating.712Void.713Leakage current and electric strength at operating temperature.714Tra
12、nsient overvoltages.815Moisture resistance.816Leakage current and electric strength.817Overload protection of transformers and associated circuits.818Endurance.819Abnormal operation.820Stability and mechanical hazards.821Mechanical strength.822Construction.923Internal wiring.924Components.925Supply
13、connection and external flexible cords.926Terminals for external conductors.927Provision for earthing.928Screws and connections.929Clearances,creepage distances and solid insulation.1030Resistance to heat and fire.1031Resistance to rusting.1032Radiation,toxicity and similar hazards.10Annexes.11Bibli
14、ography.1160335-2-26 IEC:2002(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES SAFETY Part 2-26:Particular requirements for clocksFOREWORD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprisingall nationa
15、l electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their prep
16、aration isentrusted to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work.International,governmental and non-governmental organizations liaisingwith the IEC also participate in this preparation.The IEC collaborates closely with the InternationalOrganization for Standardization(ISO)in accordance with conditions determined by agreement between thetwo organizations.2)The formal decisions or agreements of the IEC on technical