60950-1 2001(英文版)

60950–1IEC:2001–1–[Documentreference]FINALDRAFTINTERNATIONALSTANDARDPROJETFINALDENORMEINTERNATIONALEProjectnumberNumérodeprojetIEC/TCorSCCEI/CEouSC74Secretariat/SecrétariatUSASubmittedforparallelvotinginCENELECSoumisauvoteparallèleauCENELECCirculatedon/DiffuséleVotingterminateson/VoteclosleAlsoofinteresttothefollowingcommitteesIntéresseégalementlescomitéssuivantsSupersedesdocumentRemplaceledocument74/578/CDVHorizontalfunctionsconcernedFonctionshorizontalesconcernéesSafetySécuritéEMCCEMEnvironmentEnvironnementQualityassuranceAssurancedelaqualitéINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONÉLECTROTECHNIQUEINTERNATIONALETitleIEC60950,Ed.4:SafetyofinformationtechnologyequipmentTitreIEC60950,Ed.4:Sécuritédesmatérielsdetraitementdel'information74/578/CDVwaspreparedasAmendmentNo.1toIEC60950.Afterreviewingtheextentoftherevisions,itwasdecidedtoissueaneweditionofIEC60950andthisFDIShasbeensoprepared.ChangesfromEditionNo.3areidentifiedbymarginlines.Intheneweditionmanyeditorialcommentsnotincludedin74/578/CDVhavebeenintroduced.Notethat74/501/CDand74/511/CDwereshownasincludedin74/578/CDVinerror.ThesedocumentswerereturnedtotherelevantTC74workinggroupsforfurtherdevelopment.Toalignrelatedsubjects,andtouseDirectives,Part3criteria,somesubclauseshavebeenrenumbered.Seetablegivingallofthesubclausenumberchanges.THISDOCUMENTISADRAFTCIRCULATEDFORAPPROVAL.ITMAYNOTBEREFERREDTOASANINTERNATIONALSTANDARDUNTILPUBLISHEDASSUCH.INADDITIONTOTHEIREVALUATIONASBEINGACCEPTABLEFORINDUSTRIAL,TECHNOLOGICAL,COMMERCIALANDUSERPURPOSES,FINALDRAFTINTERNATIONALSTANDARDSMAYONOCCASIONHAVETOBECONSIDEREDINTHELIGHTOFTHEIRPOTENTIALTOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONALREGULATIONS.CEDOCUMENTESTUNPROJETDIFFUSÉPOURAPPROBATION.ILNEPEUTÊTRECITÉCOMMENORMEINTERNATIONALEAVANTSAPUBLICATIONENTANTQUETELLE.OUTRELEFAITD'ÊTREEXAMINÉSPOURÉTABLIRS'ILSSONTACCEPTABLESÀDESFINSINDUSTRIELLES,TECHNOLOGIQUESETCOMMERCIALES,AINSIQUEDUPOINTDEVUEDESUTILISATEURS,LESPROJETSFINAUXDENORMESINTERNATIONALESDOIVENTPARFOISÊTREEXAMINÉSENVUEDELEURPOSSIBILITÉDEDEVENIRDESNORMESPOUVANTSERVIRDERÉFÉRENCEDANSLESRÈGLEMENTATIONSNATIONALES.60950–1IEC:2001–2–TheintroductionofNationalCommitteecommentsintotheFDISisrecordedin74//CC.SomeofthewordingsidentifiedasAcceptedwerefurtherrevisededitorially.SeveralnotesrequestedbytheScandinaviancountrieswererevisedtocorrelatewithsimilarnotesforIEC62151.Also,notethattheneweditionofIEC60950hasbeendesignatedIEC60950-1sinceTC74ispreparingPart2documentscoveringspecialsubjects.NumberingChangesTableThirdeditionnumberActionNewnumberSubclausesnew1.2.8.21.2.8.2-1.2.8.12renumbered1.2.8.3-1.2.8.13new1.4.15new1.5.7.11.5.7.11.5.7.21.5.7.21.5.7.31.5.7.31.5.7.4new1.7.7.3new2.6.3.12.6.3.12.6.3.22.6.3.22.6.3.32.6.3.32.6.3.4new2.6.4.12.6.4.12.6.4.22.6.4.22.6.4.32.9.3deleted2.9.4deleted2.9.52.9.33.2.13.2.1.1new3.2.1.23.2.53.2.5.1new3.2.5.24.3.134.3.13.1,2,5and6new4.3.13.3new4.3.13.4newclause7A.3,A.4deletedA.5A.3A.6-A.10deletedNN.1andN.2Figures4GdeletedA1-A4deletednewN.2Tablesnew4A4A4B4B4C4C4DA1deletedFORM9(IEC)/FORMULAIRE9(CEI)1999-10-0160950–1IEC:2001–3–CONTENTSPageFOREWORD................................................................................................................17INTRODUCTION..........................................................................................................19Clause0Principlesofsafety.................................................................................................190.1Generalprinciplesofsafety............................................................................190.2Hazards........................................................................................................200.2.1Electricshock...................................................................................200.2.2Energyrelatedhazards......................................................................220.2.3Fire..................................................................................................220.2.4Heatrelatedhazards.........................................................................220.2.5Mechanicalhazards...........................................................................230.2.6Radiation..........................................................................................230.2.7Chemicalhazards..............................................................................230.3Materialsandcomponents..............................................................................241General.................................................................................................................251.1Scope...........................................................................................................251.1.1Equipmentcoveredbythisstandard...................................................251.1.2Additionalrequirements.....................................................................261.1.3Exclusions........................................................................................261.2Defin