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10IOWASTRAYVOLTAGEGUIDE8.WhathappensafterinitialtestingAtertestingiscompletedthemeasuredanimalcontactvoltagesarereviewedtodetermineurtheractions.Whilestrayvoltagecanneverbecompletelyeliminatedstepscanbetakentoreducethelevels.Strayvoltagecancomeromon-armorof-armsources.Iavoltagediferenceo1.0voltACormoreexistsbetweenanimalcontactpointsmeasuredwithanominal500Ohmresistorinthecircuititisrecommendedthatactionbetakentoreducethisvoltage.Theutilitywilltakeactioni0.5voltorgreateriscomingromof-armsourcesandthearmerisencouragedtotakeactionitheon-armcontributionis0.5voltorgreater.Itheutilitydistributionsystemcontributes0.5voltormoretotheanimalcontactvoltageasdeterminedbyaloadtesto20kWapproximately27hpo240voltloadtheutilitywilltakestepstoaddresstheissueuntiltheutilityscontributiontoanimalcontactvoltagesislessthan0.5volt.Thislevelisusedsoproactivemeasurescanbetakentopreventanimalavoidancebehaviorandanimalproductionlosses.Ianimalcontactvoltagesareduetothewiringonyourarmconsultwithyourelectricianandutilityrepresentativetoresolveproblemsorimprovethearmwiringsystem.9.Isthereanyfollow-uptestingYourutilityrepresentativecanalsoperormollow-uptestingtodeterminetheefectivenessoanymodications.Heorshewillalsoconsultonnewconstructionprojectsortheinstallationoequipotentialplanes.10.CanfarmersperformtheirownstrayvoltagetestingTherearecertaintestsotheutilityelectricsystemthatcanonlybecompletedbytheelectricutility.TheMidwestRuralEnergyCouncilisagoodsourceoinormationrelatedtostrayFREQUENTLYASKEDQUESTIONSvoltage.TheyhavepublishedadocumenttitledStrayVoltageDetectionASel-HelpGuide.Thispublicationisintendedtogiveyouabasicunderstandingostrayvoltagesomeoitscommonsourceshowtodetermineiharmullevelsexistonyourarmandwhenandhowtocallorassistancetohelpreducestrayvoltagelevels.Thisdocumentisnotintendedtomakeyouastrayvoltageexpertbutshouldprovideyouwiththeinormationnecessarytosaelydetermineiaproblematiclevelostrayvoltageispresentonyourarmatlocationsthatareaccessibletoyourlivestock.Thispublicationisspecicallyorientedtowardthedairyarmerhowevermostotheinormationprovidedisapplicabletoalllivestockoperations.Acopyothispublicationcanbeoundonthewebatyi.uwex.edumrecfles201102svd1.pd11.HowmighttheIowaUtilitiesBoardbeinvolvedinastrayvoltageinvestigationTheIowaUtilitiesBoardadivisionotheIowaDepartmentoCommerceregulatesIowasutilitycompanies.Thisregulatoryauthorityencompassescertainpowerqualityissuessuchasstrayvoltage.IyouhaveanissuethatcannotberesolvedbythepartiesyoumayleacomplaintwiththeUtilitiesBoardhowevertheBoarddoesnothavetheauthoritytoawarddamagesintheseinstances.TheollowinglinkontheirwebsitewillgiveyoumoreinormationaboutlingwiththeBoardwww.state.ia.usgovernmentcomutilcomplaintsindex.html12.WhatshouldIconsiderwhenselectingastrayvoltageinvestigatorYourelectricutilityofersstrayvoltageinormationandsometestingatnocharge.Pleasecontactyourutilityormoreinormationaboutitsspecicpolicyandproceduresortesting.Alistoelectricutilitycontactsisonpage14.Whenselectingastrayvoltageinvestigatorcareshouldbetakentoensuretheinvestigatorhasthetrainingandexpertisenecessarytohelpyouidentiythecauseothestrayvoltageproblem.Youmaywanttoaskwheretheyreceivedtheirtrainingandgetreerralsrom