Designation:F1236−15StandardGuideforVisualInspectionofElectricalProtectiveRubberProducts1ThisstandardisissuedunderthefixeddesignationF1236;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thepurposeofthisguideistopresentmethodsandtechniquesforthevisualinspectionofelectricalprotectiverubberproducts.Thisguidealsoincludesdescriptionsandphotographsofirregularitiesfoundintheseproducts.NOTE1—Itisnotthepurposeofthisguidetoestablishtheacceptancelevelofanyirregularitydescribedherein.Thatshallbeestablishedbythestandardforeachproduct.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F496SpecificationforIn-ServiceCareofInsulatingGlovesandSleevesF819TerminologyRelatingtoElectricalProtectiveEquip-mentforWorkers3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1abrasionsandscratches—surfacedamagethatnor-mallyoccurswhenaproductmakescontactwithanabrasivesurface(seeFig.1andFig.2).3.1.1.1Discussion—Scuff-likedamagecanalsooccurfromabrushcontactwithahotobjectsuchasasolderingiron.Thiscansometimeslooklikethegrainingonleather.3.1.2agecracks—surfacecracksthatmaylooklikethecrazingofglazedceramicsandbecomeprogressivelyworsewithtime(seeFig.3).3.1.2.1Discussion—Itisnormallyaslowoxidationprocesscausedbyexposuretosunlightandozoneintheatmosphereandstartsinareasoftherubberthatareunderstress.3.1.3breakdown—theelectricaldischargeorarcoccurringbetweentheelectr...