Designation:E2685−15StandardSpecificationforSteelBladesUsedwiththePhotovoltaicModuleSurfaceCutTest1ThisstandardisissuedunderthefixeddesignationE2685;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisspecificationspecifiestherecommendedphysicalcharacteristicsofthesteelbladesrequiredforthesurfacecuttestdescribedinANSI/UL1703(Section24)andIEC61730-2(Paragraph10.3).1.2ANSI/UL1703andIEC61730-2arestandardsforphotovoltaicmodulesafetytesting.1.3ThisstandardprovidesadditionalfabricationdetailsforthesurfacecuttestbladesthatarenotprovidedinANSI/UL1703orIEC61730-2.Surfacecuttestbladesthathaveout-of-tolerancecornerradiiorburrsareknowntocauseerroneoustestresults,eitherpassesorfailures.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A506SpecificationforAlloyandStructuralAlloySteel,SheetandStrip,Hot-RolledandCold-RolledA684/A684MSpecificationforSteel,Strip,High-Carbon,Cold-RolledE772TerminologyofSolarEnergyConversion2.2InternationalElectrotechnicalCommissionStandards3IEC61730-2Photovoltaic(PV)ModuleSafetyQualifica-tion–Part2:RequirementsforTesting2.3AmericanNationalStandard:4ANSI/UL1703Flat-PlatePhotovoltaicModulesandPanels3.Terminology3.1Definitions—Definitionsoftermsusedinthisspecifica-tionmaybefoundinA506,A684/A684M,E772,ANSI/UL1703,andIEC61730-2.4.MaterialsandManufacture4.1Surfacecuttestbladesarefabricatedfromhardenedsteelstrips.Theminimumhardnessofthesteelis24asmeasuredusingtheRockwellscale.Fullyhardenedandtem-peredsteelofa...
