ISO INTERNATIONAL STANDARD 6469-3 Third edition 2018-10 Electricallypropelledroadvehicles Safetyspecifications- Part 3: Electrical safety Vehiculesroutiersélectriques-Specificationsdesecurite- Partie3:Securiteélectrique Reference number ISO6469-3:2018(E) ISO IS02018 IS06469-3:2018(E) Contents Page Foreword .V 1 Scope ..1 2 Normativereferences ..1 3 Terms and definitions ..2 4 Voltageclasses .6 5 General requirements .6 5.1 Environmentalandoperationalrequirements .6 5.2 Marking. .6 5.2.1 MarkingofvoltageclassBelectriccomponents .6 5.2.2 Marking ofvoltageclass Bwiring.. .1 6 Requirementsforprotectionofpersons againstelectric shock .7 6.1 General requirements .7 6.1.1 General requirementsforconnectedsectionsofacircuit 6.1.2 General requirementsforvoltageclassB1 .7 6.1.3 GeneralrequirementsforvoltageclassB2 ..8 6.2 Basicprotection. .8 6.3 Fault protectionand additional measures .8 6.3.1 Equipotentialbonding .8 6.3.2 Isolation resistance. .8 6.3.3 Provisionsforcapacitivecouplingand capacitivedischarge 10 6.3.4 De-energization .10 6.3.5 Alternativeprotectionmeasures .11 6.4 Generalrequirementsforprotectiveprovisions .11 6.4.1 General .11 6.4.2 Requirementsforinsulation. .11 6.4.3 Requirementsforprotectivebarriersandprotectiveenclosures .11 6.4.4 Requirementsforconnectors. .12 6.4.5 Insulation Coordination. .12 6.5 Alternative approach for protection against electric shock .12 7 Protectionagainstthermal incidents .13 7.1 Overloadprotection .13 7.2 Short-circuitprotection .13 8 Requirementsforvehiclepowersupplycircuit .13 9 Owner's manual .13 10 Testprocedures .13 10.1 General .13 10.2 Continuitytestforequipotentialbonding. 13 10.3 Isolation resistancemeasurementsforvoltage classB2electriccircuits .14 10.3.1 Preconditioningand conditioning. .14 10.3.2 Isolationresistancemeasurements of thebalanceof electric circuits .14 10.3.3 IsolationresistancemeasurementofthevoltageclassB2electricpower sources.. .15 10.3.4 Isolationresistancemeasurementofentireelectriccircuits .17 10.4 Testforisolationresistancemonitoringsystem .17 10.5 Touch current. 17 10.6 Withstand voltagetest .18 10.6.1 General .18 10.6.2 Preconditioningand conditioning .18 10.6.3 Test procedure .19 10.6.4 Test criteria. .19 IS0 2018-All rights reserved ili