IEC_60189-2-2007.pdf

INTERNATIONAL STANDARD IEC60189-2 Fourth edition2007-05 Low-frequency cables and wires with PVC insulation and PVC sheath Part 2:Cables in pairs,triples,quads and quintuples for inside installations Reference number IEC 60189-2:2007(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to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month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 IEC60189-2 Fourth edition2007-05 Low-frequency cables and wires with PVC insulation and PVC sheath Part 2:Cables in pairs,triples,quads and quintuples for inside installations S For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission 2 60189-2 IEC:2007(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Cable construction and dimensions.6 4.1 Conductor.6 4.1.1 Conductor material.6 4.1.2 Type of conductor.7 4.1.3 Conductor finish.7 4.1.4 Conductor dimensions.7 4.1.5 Continuity of conductor.7 4.2 Insulation.7 4.2.1 Insulation material.7 4.2.2 Insulation thickness.7 4.2.3 Application of the insulation.7 4.2.4 Colour of insulation.7 4.3 Cabling element.8 4.4 Binding of elements.9 4.5 Assembling of elements.9 4.5.1 Concentric layer cables.9 4.5.2 Unit cables.10 4.6 Sequence of elements.10 4.6.1 Concentric layer cables.10 4.6.2 Unit cables.10 4.7 Total number of elements.10 4.8 Identification of the cabling elements and of the insulated conductors.10 4.9 Sequence and identification of the units.11 4.10 Wrapping.11 4.11 Screening.11 4.12 Rip cord.12 4.13 Sheath.12 4.13.1 Sheath material.12 4.13.2 Sheath thickness.12 4.13.3 Application of the sheath.12 4.13.4 Colour of sheath.12 4.14 Finished cable.12 4.14.1 Diameter of cable over sheath.12 4.14.2 Sealing of ends.12 4.15 Delivery.12 5 Mechanical requirements.13 5.1 Conductor.13 5.2 Insulation.13 5.3 Sheath.14 6 Thermal stability and climatic requirements.14 6.1 Insulation.14 60189-2 IEC:2007(E)3 6.1.1 Measurement of insulation shrinkage after overheating of conductor.14 6.1.2 Cold bend test.14 6.1.3 Heat shock test.14 6.2 Sheath.14 6.2.1 Pressure test.14 6.2.2 Cold bend test.14 6.2.3 Heat shock test.14 6.3 Resistance to flame propagation.14 7 Electrical requirements.15 7.1 Electrical resistance of conductor.15 7.2 Dielectric strength.15 7.3 Insulation resistance.15 7.4 Mutual capacitance.15 7.5 Capacitance unbalance.15 Annex A(normative)Colour code.16 Annex B(normative)Unit identification.18 Annex C(normative)Electrical requirements of insulated conductors.19 Annex D(normative)Cables in pairs,triples,quads,and quintuples for inside installations(with screening).20 Annex E(normative)Cables in pairs for digital exchanges(with screening).21 Figure 1 Cabling elements.9 4 60189-2 IEC:2007(E)INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LOW-FREQUENCY CABLES AND WIRES WITH PVC INSULATION AND PVC SHEATH Part 2:Cables in pairs,triples,quads and quintuples for inside installations 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