IEC_60189-1-2007.pdf

INTERNATIONAL STANDARD IEC60189-1 Third edition2007-05 Low-frequency cables and wires with PVC insulation and PVC sheath Part 1:General test and measuring methods Reference number IEC 60189-1:2007(E)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,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 either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.?Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.?Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 INTERNATIONAL STANDARD IEC60189-1 Third edition2007-05 Low-frequency cables and wires with PVC insulation and PVC sheath Part 1:General test and measuring methods Q For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission 2 60189-1 IEC:2007(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 4 Standard conditions for testing.7 5 Dimensions.7 5.1 Selection and preparation of samples.7 5.1.1 Insulation.7 5.1.2 Sheath.8 5.1.3 Finished cable or wire.8 5.2 Measurement of dimensions.8 5.2.1 Minimum thickness of insulation or sheath.8 5.2.2 Mean thickness of insulation or sheath.9 5.2.3 Diameter of finished cable or wire.9 6 Mechanical tests.9 6.1 Selection,marking and preparation of samples for tensile tests.9 6.1.1 Conductors.9 6.1.2 Insulation.9 6.1.3 Sheath.10 6.2 Measurement of cross-sectional area for tensile test.11 6.2.1 General.11 6.2.2 Insulation.11 6.2.3 Sheath.11 6.3 Tensile test.12 6.3.1 Conditioning of test pieces.12 6.3.2 Tensile testing procedure.12 6.3.3 Expression of results.12 6.4 Stripping properties of insulation.12 6.4.1 General.12 6.4.2 Test method.12 7 Thermal stability and climatic tests.13 7.1 Accelerated ageing.13 7.2 Pressure test at high temperature.13 7.3 Resistance to flame propagation.13 7.3.1 General.13 7.3.2 Wires.14 7.3.3 Cables.14 7.4 Cold bend test.14 7.4.1 General.14 7.4.2 Insulation.14 7.4.3 Sheath.14 7.5 Heat shock test.14 7.5.1 General.14 7.5.2 Insulation.14 7.5.3 Sheath.14 60189-1 IEC:2007(E)3 7.6 Measurement of insulation shrinkage after overheating of conductor.15 7.7 Combined shrinkage and heat shock test.15 7.8 Solder test on tinned conductors.15 8 Electrical tests.15 8.1 Electrical resistance of conductors.15 8.2 Dielectric strength.16 8.2.1 General.16 8.2.2 Wires.16 8.2.3 Cables.16 8.3 Insulation resistance.16 8.3.1 General.16 8.3.2 Wires.16 8.3.3 Cables.17 8.4 Mutual capacitance.17 8.5 Capacitance unbalance(conductor to conductor).17 Figure 1 Dumb-bell test piece.11 Figure 2 Small dumb-bell test piece.11 Figure 3 Stripping properties of insulation.12 Figure 4 Position of the sample in the text apparatus.13 4 60189-1 IEC:2007(E)INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LOW-FREQUENCY CABLES AND WIRES WITH PVC INSULATION AND PVC SHEATH Part 1:General test and measuring methods 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