AS-1222.2-1992

AS1222.2—1992AustralianStandard®Steelconductorsandstays—BareoverheadPart2:Aluminiumclad(SC/AC)AccessedbyUNIVERSITYOFSOUTHAUSTRALIAon22Jan2009ThisAustralianStandardwaspreparedbyCommitteeEL/10,OverheadLines.ItwasapprovedonbehalfoftheCouncilofStandardsAustraliaon21July1992andpublishedon12October1992.ThefollowinginterestsarerepresentedonCommitteeEL/10:AustralianElectricalandElectronicManufacturersAssociationAustralianPorcelainInsulatorsAssociationConfederationofAustralianIndustryElectricitySupplyAssociationofAustraliaRailwaysofAustraliaCommitteeReviewofAustralianStandards.Tokeepabreastofprogressinindustry,AustralianStandardsaresubjecttoperiodicreviewandarekeptuptodatebytheissueofamendmentsorneweditionsasnecessary.ItisimportantthereforethatStandardsusersensurethattheyareinpossessionofthelatestedition,andanyamendmentsthereto.FulldetailsofallAustralianStandardsandrelatedpublicationswillbefoundintheStandardsAustraliaCatalogueofPublications;thisinformationissupplementedeachmonthbythemagazine‘TheAustralianStandard’,whichsubscribingmembersreceive,andwhichgivesdetailsofnewpublications,neweditionsandamendments,andofwithdrawnStandards.SuggestionsforimprovementstoAustralianStandards,addressedtotheheadofficeofStandardsAustralia,arewelcomed.NotificationofanyinaccuracyorambiguityfoundinanAustralianStandardshouldbemadewithoutdelayinorderthatthemattermaybeinvestigatedandappropriateactiontaken.ThisStandardwasissuedindraftformforcommentasDR91133.AccessedbyUNIVERSITYOFSOUTHAUSTRALIAon22Jan2009AS1222.2—1992AustralianStandard®Steelconductorsandstays—BareoverheadPart2:Aluminiumclad(SC/AC)FirstpublishedasAS1222.2—1973.Secondedition1992.PUBLISHEDBYSTANDARDSAUSTRALIA(STANDARDSASSOCIATIONOFAUSTRALIA)1THECRESCENT,HOMEBUSH,NSW2140ISBN0726277274AccessedbyUNIVERSITYOFSOUTHAUSTRALIAon22Jan2009AS1222.2—19922PREFACEThisStandardwaspreparedbytheStandardsAustraliaCommitteeonOverheadLinestosupersedeAS1222.2—1973,Steelconductorsandstaysforoverheadpowertransmissionpurposes,Part2:Aluminiumclad(SC/AC),anditisthesecondpartofatwo-partseries,viz.AS1222—Steelconductorsandstays—BareoverheadPart1:Galvanized(SC/GZ)Part2:Aluminiumclad(SC/AC)TheStandardconformsgenerallywithvariousInternationalElectrotechnicalCommission(IEC)publicationsonoverheadconductorsandwithIECdraft,document7(CentralOffice)434.Indeterminingconductorsizes,arangeofwiresizeshasbeenprovidedsimilartothatforconductorsspecifiedinthe1973edition.ConductorswithotherdimensionscanalsobesuppliedbyreferencetothisStandard.Wiresizeshavenotbeenchangedfromthepreviouseditionbutmajormodificationshavebeenmadeinthefollowingareas:(a)Theprovisionsallowingjoiningoffinishedwireshasbeeneliminated.(b)Thesamplingrateofspecimensforroutinetestsreliesonaqualityassuranceplan.(c)AnewAppendixBcoversthecoefficientoflinearexpansionandthetheoreticalbasisforthecalculationofmodulusofelasticity.(d)AnewAppendixChasbeenincludedwhichhighlightsitemstobespecifiedbythepurchaseroragreedbetweenpurchaserandmanufactureratthetimeoforder.©CopyrightSTANDARDSAUSTRALIAUsersofStandardsareremindedthatcopyrightsubsistsinallStandardsAustraliapublicationsandsoftware.ExceptwheretheCopyrightActallowsandexceptwhereprovidedforbelownopublicationsorsoftwareproducedbyStandardsAustraliamaybereproduced,storedinaretrievalsysteminanyformortransmittedbyanymeanswithoutpriorpermissioninwritingfromStandardsAustralia.Permissionmaybeconditionalonanappropriateroyaltypayment.RequestsforpermissionandinformationoncommercialsoftwareroyaltiesshouldbedirectedtotheheadofficeofStandardsAustralia.StandardsAustraliawillpermitupto10percentofthetechnicalcontentpagesofaStandardtobecopiedforuseexclusivelyin-housebypurchasersoftheStandardwithoutpaymentofaroyaltyoradvicetoStandardsAustralia.StandardsAustraliawillalsopermittheinclusionofitscopyrightmaterialincomputersoftwareprogramsfornoroyaltypaymentprovidedsuchprogramsareusedexclusivelyin-housebythecreatorsoftheprograms.CareshouldbetakentoensurethatmaterialusedisfromthecurrenteditionoftheStandardandthatitisupdatedwhenevertheStandardisamendedorrevised.ThenumberanddateoftheStandardshouldthereforebeclearlyidentified.Theuseofmaterialinprintformorincomputersoftwareprogramstobeusedcommercially,withorwithoutpayment,orincommercialcontractsissubjecttothepaymentofaroyalty.ThispolicymaybevariedbyStandardsAustraliaatanytime.AccessedbyUNIVERSITYOFSOUTHAUSTRALIAon22Jan20093AS1222.2—1992CONTENTSPageSECTION1SCOPEANDGENERAL1.1SCOPE..........................................................41.2REFERENCEDDOCUMENTS.........................................41.3DEFINITIONS.....................................................41.4NOMENCLATURE.................................................5SECTION2MATERIALREQUIREMENTSANDWIREPROPERTIES2.1GENERAL........................................................62.2MATERIALS......................................................62.3WIREPROPERTIES.................................................6SECTION3CONDUCTORREQUIREMENTS3.1GENERAL........................................................83.2JOINTSINFINISHEDWIRES.......