Designation:F1837M−97(Reapproved2012)´1AnAmericanNationalStandardStandardSpecificationforHeat-ShrinkCableEntrySeals(Metric)1ThisstandardisissuedunderthefixeddesignationF1837M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—ReapprovedwitheditorialchangesinOctober2012.1.Scope1.1Thisspecificationcoversthegeneralrequirementsforheat-shrinkcableentryseals.Cableentrysealsareintendedformakingelectricalcablepenetrationsintoconnectionboxes,bulkheads,orotherenclosures.Thesedevicesaresuitableforboththinwallenclosuresupto5mm(3⁄16in.)thickandthick-wallenclosuresof5mmto19mm(3⁄16in.to3⁄4in.)thick.1.2Cableentrysealsshallhavefactory-appliedadhesivethatprovidesthesealtowireandcablejackets.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortoitsuse.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD257TestMethodsforDCResistanceorConductanceofInsulatingMaterialsD412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD570TestMethodforWaterAbsorptionofPlasticsD635TestMethodforRateofBurningand/orExtentandTimeofBurningofPlasticsinaHorizontalPositionD747TestMethodforApparentBendingModulusofPlas-ticsbyMeansofaCantileverBeamD792TestMethodsforDensityandSpecificGravity(Rela-tiveDensity)ofPlasticsbyDisplacementD2240TestMethodforRubberProperty—DurometerHard-nessD2671TestMethodsforHeat-ShrinkableTubingforElec-tricalUseD2863TestMethodforMeasuringtheMinimumOxygenCo...
