IEC/PAS61156-1-4Edition1.02010-06PUBLICLYAVAILABLESPECIFICATIONPRE-STANDARDMulticoreandsymmetricalpair/quadcablesfordigitalcommunications–Part1-4:Symmetricalpair/quadcableswithtransmissioncharacteristicsupto1000MHz–ConductorheatingofbundleddatagradecablesforlimitedpowertransmissionbasedonIEEE802.3IEC/PAS61156-1-4:2010(E)®colourinsideCopyrightedmateriallicensedtoBRDemobyThomsonReuters(Scientific),Inc.,subscriptions.techstreet.com,downloadedonNov-28-2014byJamesMadison.Nofurtherreproductionordistributionispermitted.UncontrolledwhenprinteTHISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2010IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.IECCentralOffice3,ruedeVarembéCH-1211Geneva20SwitzerlandEmail:inmail@iec.chWeb:www.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendaoranamendmentmighthavebeenpublished.�CatalogueofIECpublications:www.iec.ch/searchpubTheIECon-lineCatalogueenablesyoutosearchbyavarietyofcriteria(referencenumber,text,technicalcommittee,…).Italsogivesinformationonprojects,withdrawnandreplacedpublications.�IECJustPublished:www.iec.ch/online_news/justpubStayuptodateonallnewIECpublications.JustPublisheddetailstwiceamonthallnewpublicationsreleased.Availableon-lineandalsobyemail.�Electropedia:www.electropedia.orgTheworld'sleadingonlinedictionaryofelectronica...