Designation:E2908−12StandardGuideforFirePreventionforPhotovoltaicPanels,Modules,andSystems1ThisstandardisissuedunderthefixeddesignationE2908;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedescribesbasicprinciplesofphotovoltaicmoduledesign,panelassembly,andsysteminstallationtoreducetheriskoffireoriginatingfromthephotovoltaicsourcecircuit.1.2Thisguideisnotintendedtocoverallscenarioswhichcouldleadtofire.Itisintendedtoprovideanassemblyofgenerally-acceptedpractices.1.3Thisguideisintendedforsystemswhichcontainpho-tovoltaicmodulesandpanelsasdcsourcecircuits,althoughtherecommendedpracticesmayalsoapplytosystemsutilizingacmodules.1.4Thisguidedoesnotcoverfiresuppressionintheeventofafireinvolvingaphotovoltaicmoduleorsystem.1.5Thisguidedoesnotcoverfireemanatingfromothersources.1.6Thisguidedoesnotcovermechanical,structural,electrical,orotherconsiderationskeytophotovoltaicmoduleandsystemdesignandinstallation.1.7Thisguidedoesnotcoverdisposalofmodulesdamagedbyafire,orothermaterialhazardsrelatedtosuchmodules.1.8Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E772TerminologyofSolarEnergyConversionE2481TestMethodforHotSpotProtectionTestingofPhotovoltaicModules2.2OtherStandardsandDocuments:IEC61215Crystallinesiliconterrestrialphotovoltaic(PV)modules—DesignqualificationandtypeapprovalIEC61730Photovoltaic(PV)modulesafetyqualificationNorthAmericanBoardofCertifiedEnergyPractitioners(NABCEP),StudyGuideforPhotovoltaicSystemInsta...