ANSI-C80.1-2005

ANSIC80.1-2005AmericanNationalStandardforElectricalRigidSteelConduit(ERSC)CopyrightNationalElectricalManufacturersAssociationProvidedbyIHSunderlicensewithNEMANotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,```,-`-`,,`,,`,`,,`---CopyrightNationalElectricalManufacturersAssociationProvidedbyIHSunderlicensewithNEMANotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,```,-`-`,,`,,`,`,,`---ANSIC80.1-2005RevisionofANSIC80.1-1994AmericanNationalStandardForElectricalRigidSteelConduit(ERSC)Secretariat:NationalElectricalManufacturersAssociationApprovedAugust18,2005AmericanNationalStandardsInstitute,Inc.CopyrightNationalElectricalManufacturersAssociationProvidedbyIHSunderlicensewithNEMANotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,```,-`-`,,`,,`,`,,`---ANSIC80.1-2005NOTICEANDDISCLAIMERTheinformationinthispublicationwasconsideredtechnicallysoundbytheconsensusofpersonsengagedinthedevelopmentandapprovalofthedocumentatthetimeitwasdeveloped.Consensusdoesnotnecessarilymeanthatthereisunanimousagreementamongeverypersonparticipatinginthedevelopmentofthisdocument.NEMAstandardsandguidelinepublications,ofwhichthedocumentcontainedhereinisone,aredevelopedthroughavoluntaryconsensusstandardsdevelopmentprocess.Thisprocessbringstogethervolunteersand/orseeksouttheviewsofpersonswhohaveaninterestinthetopiccoveredbythispublication.WhileNEMAadministerstheprocessandestablishesrulestopromotefairnessinthedevelopmentofconsensus,itdoesnotwritethedocumentanditdoesnotindependentlytest,evaluate,orverifytheaccuracyorcompletenessofanyinformationorthesoundnessofanyjudgmentscontainedinitsstandardsandguidelinepublications.NEMAdisclaimsliabilityforanypersonalinjury,property,orotherdamagesofanynaturewhatsoever,whetherspecial,indirect,consequential,orcompensatory,directlyorindirectlyresultingfromthepublication,useof,application,orrelianceonthisdocument.NEMAdisclaimsandmakesnoguarantyorwarranty,expressorimplied,astotheaccuracyorcompletenessofanyinformationpublishedherein,anddisclaimsandmakesnowarrantythattheinformationinthisdocumentwillfulfillanyofyourparticularpurposesorneeds.NEMAdoesnotundertaketoguaranteetheperformanceofanyindividualmanufacturerorseller’sproductsorservicesbyvirtueofthisstandardorguide.Inpublishingandmakingthisdocumentavailable,NEMAisnotundertakingtorenderprofessionalorotherservicesfororonbehalfofanypersonorentity,norisNEMAundertakingtoperformanydutyowedbyanypersonorentitytosomeoneelse.Anyoneusingthisdocumentshouldrelyonhisorherownindependentjudgmentor,asappropriate,seektheadviceofacompetentprofessionalindeterminingtheexerciseofreasonablecareinanygivencircumstances.Informationandotherstandardsonthetopiccoveredbythispublicationmaybeavailablefromothersources,whichtheusermaywishtoconsultforadditionalviewsorinformationnotcoveredbythispublication.NEMAhasnopower,nordoesitundertaketopoliceorenforcecompliancewiththecontentsofthisdocument.NEMAdoesnotcertify,test,orinspectproducts,designs,orinstallationsforsafetyorhealthpurposes.Anycertificationorotherstatementofcompliancewithanyhealthorsafety–relatedinformationinthisdocumentshallnotbeattributabletoNEMAandissolelytheresponsibilityofthecertifierormakerofthestatement.CopyrightNationalElectricalManufacturersAssociationProvidedbyIHSunderlicensewithNEMANotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,```,-`-`,,`,,`,`,,`---ANSIC80.1-2005iAMERICANNATIONALSTANDARDApprovalofanAmericanNationalStandardrequiresverificationbyANSIthattherequirementsfordueprocess,consensus,andothercriteriaforapprovalhavebeenmetbythestandardsdeveloper.Consensusisestablishedwhen,inthejudgmentoftheANSIBoardofStandardsReview,substantialagreementhasbeenreachedbydirectlyandmateriallyaffectedinterests.Substantialagreementmeansmuchmorethanasimplemajority,butnotnecessarilyunanimity.Consensusrequiresthatallviewsandobjectionsbeconsidered,andthataconcertedeffortbemadetowardtheirresolution.TheuseofAmericanNationalStandardsiscompletelyvoluntary;theirexistencedoesnotinanyrespectprecludeanyone,whetherhehasapprovedthestandardsornot,frommanufacturing,marketing,purchasing,orusingproducts,processes,orproceduresnotconformingtothestandards.TheAmericanNationalStandardsInstitutedoesnotdevelopstandardsandwillinnocircumstancesgiveaninterpretationofanyAmericanNationalStandard.Moreover,nopersonshallhavetherightorauthoritytoissueaninterpretationofanAmericanNationalStandardinthenameoftheAmericanNationalStandardsInstitute.Requestsforinterpretationsshouldbeaddressedtothesecretariatorsponsorwhosenameappearsonthetitlepageofthisstandard.CautionNotice:ThisAmericanNationalStandardmayberevisedorwithdrawnatanytime.TheproceduresoftheAmericanNationalStandardsInstituterequirethatactionbetakenperiodicallytoreaffirm,revise,orwithdrawthisstandard.PurchasersofAmericanNationalStandardsmayreceivecurrentinformationonallstandardsbycallingorwritingtheAmericanNationalStandardsInstitute.PublishedbyNationalElectricalManufacturersAssociation1300North17thStreet,Rosslyn,VA22209Copyright2005b