Friends, Signal cables are low power and current rated wires whereas power cable are high current rated and power. Usually, signal cables are ...NetworkSites:LatestForumsEducationToolsVideosDatasheetsGiveawaysLatestProjectsEducationLatestNewsTechnicalArticlesMarketInsightsEducationLatestNewsOpinionInterviewsProductHighlightsResearchForumsLogInJoinLoginJoinControl.comOrsigninwithFacebookGoogleLinkedInGitHub  0:00 / 0:00PodcastLatestSubscribeGoogleSpotifyAppleiHeartRadioStitcherPandoraTuneInMenuExploreContentCompanyDirectoryForumsIndustryArticlesIndustryWhitePapersNewsTechnicalArticlesTextbookWorksheetsProductsCircuitProtectionConnectorsControlPanelControlSystems&HMIsEnclosures,Racks&CabinetsIIoTIndustrialControlsMotorsNetworkingPLCs&PACsPneumatics&HydraulicsPowerProtocolsRoboticsSafetySensorsSimulationTest&MeasurementVisionSystemsWire&CableViewAllIndustryAgricultureAutomotiveBuildingCementChemicalElectronicsFood&BeverageMetalMilitary/AerospaceMiningNuclearOil&GasMedical&PharmaceuticalPulp&PaperRubber&PlasticsUtilitiesViewAllArticlesLatestNewsTechnicalArticlesIndustryArticlesIndustryWhitePapersForumsLatestGeneralDiscussionHardwareSoftwareCommunicationEducationVol.I-FundamentalsVol.II-InstrumentationVol.III-MeasurementVol.IV-ControlVol.V-ReferenceWorksheetsDatasheetsDirectoryCompanyDirectoryPodcastConnectwithusNetworkSites:GeneralAutomationChatDifferencePowerCablesandSignalCablesJoinourEngineeringCommunity!Sign-inwith:HomeForumsGeneralDiscussionGeneralAutomationChatDifferencePowerCablesandSignalCablesThreadstarterGrishmaStartdateOct27,2006SearchForumsNewPostsGThreadStarterGrishmaPleasetellmetheexactdifferencebetweenPowerCablesandSignalCablesusedforInstrumentationFieldApplications.RegardsGrishma ScrolltocontinuewithcontentAAnonymousDearGarishma,Signalcableshastocarry4-20mADCcurrentonly.Analogsignaltransmissiontypicallyconsistsoftwo-wiresignalleadsorthree-wiresignalleads.Insystemsthatrequirehighprecisionandaccuracy,thethirdsignallead,orshield,isnecessary.Normallyit'sused