INTERNATIONALELECTROTECHNICALCOMMISSIONGUIDE111Secondedition2004-07Electricalhigh-voltageequipmentinhigh-voltagesubstations–CommonrecommendationsforproductstandardsReferencenumberIECGuide111:2004(E)LICENSEDTOMECONLimited.-RANCHI/BANGALOREFORINTERNALUSEATTHISLOCATIONONLY,SUPPLIEDBYBOOKSUPPLYBUREAU.LICENSEDTOMECONLimited.-RANCHI/BANGALOREFORINTERNALUSEATTHISLOCATIONONLY,SUPPLIEDBYBOOKSUPPLYBUREAU.INTERNATIONALELECTROTECHNICALCOMMISSIONGUIDE111Secondedition2004-07Electricalhigh-voltageequipmentinhigh-voltagesubstations–CommonrecommendationsforproductstandardsForprice,seecurrentcatalogue©IEC2004–Copyright-allrightsreservedNopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher.InternationalElectrotechnicalCommission,3,ruedeVarembé,POBox131,CH-1211Geneva20,SwitzerlandTelephone:+41229190211Telefax:+41229190300E-mail:inmail@iec.chWeb:www.iec.chSCommissionElectrotechniqueInternationaleInternationalElectrotechnicalCommission���������������������������������������PRICECODELICENSEDTOMECONLimited.-RANCHI/BANGALOREFORINTERNALUSEATTHISLOCATIONONLY,SUPPLIEDBYBOOKSUPPLYBUREAU.–2–Guide111�IEC:2004(E)CONTENTSFOREWORD...........................................................................................................................4INTRODUCTION.....................................................................................................................51Scope...............................................................................................................................62Referencedocuments.......................................................................................................63Guidanceforthe“Normativereferences”clauseinproductstandards................................84Guidanceforthe“Definitions”clauseinproductstandards................................................85Environmen...
