IEC IEC61156-12 Edition 1.02021-01 NTERNATIONAL STANDARD Multicore and symmetrical pairlquad cables for digital communications - Part 12: Symmetrical single pair cables with transmission characteristics up to 6oo MHz - Work area wiring - Sectional specification IEC 61156-12:2021-01(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2021 IEC, Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's 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, piease contact the address below or your local IEC member National Committee for further information. IECCentralOffice Tel.:+4122 919 0211 3, rue de Varembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland Aboutthe IEC 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 latestedition, a corrigendum oran amendment might have beenpublished. IEC publications search - webstore.iec.ch/advsearchform IEC online collection - oc.iec.ch The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the criteria(reference number,text,technical publications previews. With a subscription you will always varietyof committee, ...).It also gives information on projects,replaced have access to up to date content tailored to your needs. and withdrawn publications. Electropedia - www.electropedia.org IEc Just Published - webstore.iec.ch/justpublished The world's leading online dictionary on electrotechnology, Stay up to date on all new IEC publications.Just Published containing more than 22 000 terminological entries in English details all new publications released. Available online and and French, with equivalent terms in 18 additional languages. once a month by email. Also known as the International Electrotechnical Vocabulary (IEV) online IECCustomerServiceCentre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: [email protected]. IEC IEC61156-12 Edition 1.02021-01 INTERNATIONAL STANDARD Multicore and symmetrical pair/quad cables for digital communications - 6oo MHz - Work area wiring - Sectional specification INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS33.120.20 ISBN 978-2-8322-9230-3 Warning! Make sure that you obtained this publication from an authorized distributor.