Designation:E3020−15StandardPracticeforIgnitionSources1ThisstandardisissuedunderthefixeddesignationE3020;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesaseriesofignitionsourcesthathavebeenusedandthatarepotentiallyapplicabletoassessingfire-test-responsecharacteristicsresultingfromtheignitionofmaterials,products,orassemblies.1.2Thispracticedoesnotidentifywhichoftheignitionsourcesdescribedisapplicabletoanyspecificusesincethatisafunctionoftheassociatedfirehazard(seealso5.2).1.3Thispracticeisnotnecessarilycomprehensiveanditispossiblethatotherapplicableignitionsourcesexist(seealso5.3).1.4Thispracticedescribesbothflamingandnon-flamingignitionsources,sincetheoutcomeofanon-flamingignitioncanbetheeventualflamingignitionofthesematerialsorproducts(seealso4.2).1.5Thispracticedoesnotprovidepass/failcriteriathatcanbeusedasaregulatorytool.1.6Thisfirestandardcannotbeusedtoprovidequantitativemeasures.1.7Firetestingisinherentlyhazardous.Adequatesafe-guardsforpersonnelandpropertyshallbeemployedinconductingthesetests.1.8Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.9Thispracticecontainsnotesandfootnoteswhichpro-videexplanatorymaterial.Thesenotesandfootnotes(exclud-ingthoseintablesandfigures)shallnotbeconsideredrequirementsofthestandard.1.10ThevaluesstatedinSIunitsaretoberegardedasstandardinrefereedecisions.Nootherunitsofmeasurementareincludedinthisstandard.SeeIEEE/ASTMSI10forfurtherdetails.1.11Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablis...