Elec training doc.docx
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Elec training doc.docx
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Electrainingdoc
CASE–FluidSystems
ElectricalSpecification
AnIntroductiontotheSpecificationsandStandardsforMSDSkids
G.Chmiel
September2002
RevB
TableofContents
Specification363A4238...................3
ThirdPartyCertifications..................4
SignalLevelClassification..................10
Enclosures........................11
Terminals.........................13
GroundingandBonding...................14
ConduitandInstallation...................16
Conductors........................18
Motors.........................20
ACNameplateInformation...............22
HazardousAreas......................24
GEElectricalSpecification363A4238
Entitled“Specification,Electrical,MSDSkid,”thisspecificationwascreatedtoserveasareferenceformodulevendorswithregardtotheelectricalrequirementsofGEPSandspecificallywithFluidSystems.InanattempttoaddressandencompassthemanyfacetsofelectricalconstructionwithinFluidSystems,thedocumentreferencesmanyspecificationsandstandards,andthereforedoesnotaddressallissuesingreatdetail.GEPSFluidSystemshasmanyrequirementsoverandabovethedomesticandnationalandinternationalspecificationsthatareguaranteedtoourcustomers;thisdocumentdefinesthem.
WhilegeneralitiesofEuropeanandinternationalstandardsarereferenced,thespecificationcurrentlydealswiththeU.S./NECapplicationsinmuchgreaterdetail.
FurtherdetailsonelectricalconstructioncanbefoundintheGEspecificationslistedinsection2.1.1ofthe363A4238specification.Informationonwire,terminals,motors,CEconformanceandotherrelatedsubjectsarecovered.
GaryChmiel,CASE-Fluidselectricalengineer,cananswerquestionsthatarenotclear,ornotaddressedinthesespecifications.
ThirdPartyCertifications
AllelectricalcomponentsutilizedwithinaGEPSFluidSystemsmodulemustbethirdpartycertified.Thiscertificationrepresentstheonlyvalidationthataparticularcomponenthasbeentestedandinfactmeetsthestandardsclaimedbythesupplier.ForUSapplications,OSHA(theOccupationalSafetyandHealthAdministration)publishesalistofNationallyRecognizedTestLaboratories(NRTL’s),signifyingthateachlistedorganizationhasmetthenecessaryqualificationstoensureproductsareproperlyconstructedtomeetthenecessarysafetyandperformancestandards.GEPSFluidSystemscurrentlylistsfouroftheseastheThirdPartyCertificationsthatweacceptforuseonourequipment.
ULListing/Certification
UnderwritersLaboratoriesInc.(UL)isanindependent,not-for-profitproductsafetytestingandcertificationorganization.ULisbyfarthemostcommonlistingmarkthatourvendorsutilizeonNECanddomesticprojects.However,ULissuesseveralmarkstoverifylistingorrecognition:
ULlistedproductswillcontaintheULmarkabove,thewordLISTED,acontrolnumberandaproductname.Thismeansthatacompleteproducthasbeentestedandfoundtobe“freefromreasonablyforeseeableriskoffire,electricshockandrelatedhazardsandthattheproductwasmanufacturedunderUL'sFollow-UpServicesprogram.”OftenULstandardsarederivedoradoptedfromothertestingstandardslikeANSIorIEEE.Thesmall“c”marktotheleftoftheULsymboldenotesCanadianULlisting.
TheULRecognizedComponentMarkmeansthatthecomponentalonemeetstherequirementsforalimited,specifieduse.ULrecognizedcomponentshavebeentestedindependentlyofthelargerproduct,andmustbeinstalledandappliedproperlytomeetfinalULrequirements.ForfurtherinformationonULrecognitionandlistingsee
FactoryMutual
FactoryMutualisacommercialandindustrialpropertyinsurancecompanythathasitsowntestingcapabilitiesandriskanalysisgroup.Theyapprovefireprotectionandelectricalequipment,aswellasbuildingmaterials.FMhasdevelopedaseriesoftheirownstandards,butcanalsotesttootherstandardsaswell,suchasANSIandUL.ForfurtherinformationonFMsee.
ElectricalTestingLaboratory
IntertekTestingServices,anotherOSHANationallyRecognizedTestingLaboratory(NRTL)thatcertifieselectricalequipment,overseesthedispensationoftheETLlistingmark.Theircertificationprogramincludesfollowuptestingandinspectionstomaintainlistingstatus.ETL/SemkoalsoprovidesservicesasaNotifiedBodyforcertificationofCEmarkingandforcompliancewithotherinternationalstandards.ForfurtherinformationonETLsee.
CSA
Althoughnotexplicitlymentionedinthe363A4238specification,CSAisacceptedbyGEPSasanapprovedthirdpartytestinglaboratory.AlthoughCanadian,CSAisrecognizedbyGEPSequallywiththeotherlaboratorieslistedabovebecauseitisaNRTL,butcareshouldbetakentoensuretheproducthasbeentestedtothepropernationalstandards.
CSAisoneofmanyCertificationBodiesapprovedbytheStandardsCouncilofCanada(SCC).ACanadian-basedassociation,theirmarkcannowbegivenformeetingmanyinternationalstandards(includingtheU.S.)aswellasinCanada.ForfurtherinformationonCSA,seewww.csa.caorwww.scc.ca.
EuropeanandInternationalStandards
SomeglobalcustomersallowGEPStoconformtothestandardsmentionedabove,thisisapparentinthePegasusBY6section(codesandstandardscompliance).IfthePegasuscodeindicates“ElectricalequipmentdesigntotheNEC”,theappropriatemoduleswillbeconstructedasiftheirfinaldestinationwereintheU.S.TheNationalElectricalCode(NEC),alsoknownasNFPA70,governsthesafetyaspectsofthedesignandconstructionofelectricalsystemsintheUnitedStates,andhassince1897whenitwasfirstpublished.However,themostcommonstandardsrequiredofGEPSoutsideoftheNorthAmericanregionsareEuropean.Manynon-EuropeancustomersrequestEuropeanstandardsandapprovalsaswell,includingsomefromAsiaandSoutheastAsiainrecentyears.
CEMarking
CEstandsforConformiteEuropeanandthismarkisgenerallyobtainedthrough“NotifiedBodies,”whichcarryoutthetaskspertainingtotheconformityassessmentproceduresreferredtointheapplicableNewApproachDirectives.EachNewApproachDirectiveisavailableatnocostontheInternet,andisageneralstatementfromtheCouncilofEuropeanCommunitiesregardingthenecessaryattributesaparticulartypeofequipmentmusthavetobeacceptedbytheEuropeanCommunityatlarge.EachDirectivehaswithit“harmonizedstandardspresumingconformance,”thatis,standardsthatifadheredto,mostlikelyprovethattheequipmentmeetstheapplicableNewApproachDirective.Therefore,self-certificationcanalsobeachievedwithouttheuseofaNotifiedBody,butproperdocumentationandproofofcompliancecanbedifficultforthosenewtoit.
ItisnecessaryforallcomponentstobearthisCEmarkbeforeshipmenttotheEU,includingourskids.AquicklookwilltellyouifacomponenthasaCEmarkbutitmaynottellyouspecificallywhatDirectives,Euronormsandstandardsthatgivepresumptionofconformancethattheproductactuallymeets.Thetechnicalfileskeptbythemanufacturer,andtheDeclarationofConformityorDeclarationofIncorporationsheetsaretheonlytruerecordofallofthedirectivesmetbytheproduct.ThephilosophicaldifferencebetweenDeclarationsofConformityandDeclarationsofIncorporationaresimilartothatofULListingversusULrecognition,inthatonepertainstoastand-aloneproduct,andtheotherwillonlymeettheappropriatestandardsifitisinstalledproperlyaspartofalargersystem.
InterestinginformationonCEcomplianceandtheNewApproachDirectivescanbefoundathttp:
//www.newapproach.org/.
AND
ManyinternationalproductsarebuiltandtestedtoIECstandards.Foundedin1906,theInternationalElectrotechnicalCommission(IEC)isaglobalorganizationthatpreparesandpublishesinternationalstandardsforallelectrical,electronicandrelatedtechnologies.TheIECwasfoundedasaresultofaresolutionpassedattheInternationalElectricalCongressheldinSt.Louis(USA)in1904,butwasfirstassembledinLondonin1906.Themembershipconsistsofmorethan60participatingcountries,includingalltheworld'smajortradingnationsandagrowingnumberofindustrializingcountries.
However,manystandardsthataredeemedmostapplicableonEuropeanprojectsarereferredtoasEuronorms,whicharedesignatedbyanENintheprefix.ThesearedevelopedbyCenelecasEuropeanstandardsandareoftenderivedfromexistingIECstandards.CenelecistheEuropeanCommitteeforElectro-TechnicalStandardization,andtheEuropeanCommissioninDirective83/189/EEChasofficiallyrecognizeditastheEuropeanStandardsOrganizationinitsfield.ItsmembershavebeenworkingintheinterestsofEuropeanharmonizationsincethelatefifties,developingalongsidetheEuropeanEconomicCommunity.CENELECworkswith35,000technicalexpertsfrom19EuropeancountriestopublishstandardsfortheEuropeanmarket.InformationontheIECcanbeseenathttp:
//www.iec.ch/,andCeneleccanbefoundathttp:
//www.cenelec.org/.
Exmarking
AsinNorthAmerica,hazardousdutymarkingisnecessarytoproveconformityforhazardoususeinEurope.Themark,givenbyappropriateNotifiedBodies,meansthecomponentmeetsthehazardousdutystandardsofCenelec.Thesemandatorymarkingsusuallylooksimilarto“ExdIIAT3,”alongwiththismark:
ACEmarkaloneisNOTsu
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