Designation:C483–95StandardTestMethodforElectricalResistanceofConductiveCeramicTile1ThisstandardisissuedunderthefixeddesignationC483;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheelec-tricalresistanceofconductiveceramictilepriortoinstallation.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:C242TerminologyofCeramicWhitewaresandRelatedProducts2D2240TestMethodforRubberProperty—DurometerHardness33.Terminology3.1Definitions:3.1.1conductiveceramictile—tilemadefromspecialbodycompositionsorbymethodsthatresultinspecificpropertiesofelectricalconductivitywhileretainingothernormalphysicalpropertiesofceramictile.3.1.2tile—forthedefinitionoftheterm“tile”,refertoTerminologyC242.4.SummaryofTestMethod4.1Thistestmethodconsistsofmeasuringtheelectricalresistancebetweenanelectroderestinguponthetiletobetestedandabedofironfilingsonastainlesssteelplate.5.SignificanceandUse5.1Thistestmethodprovidesameansfordeterminingwhetherconductiveceramictilemeetselectricalresistancerequirementstopreventtheaccumulationofdangerouselec-trostaticchargeswhich,inthepresenceofflammablegases,maycausepossibleexplosionsthroughsparkdischarges.Suchelectricalresistancerequirementsarespecificallycalledforinhospitaloperatingroomsandforfloorsofotherroomswhereflammableagentsarestoredorhandled.46.Apparatus6.1Ohmmeter—Asuitablycalibratedd-cohmmeterwithanominalopen-circuitoutputvoltageof500Vandashort-circuitcurrentof2....
