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BS ISO 19642-2:2023 Road vehicles. Automotive cables - Test methods, 2023
- undefined
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Specifications [Go to Page]
- 4.1 General test conditions [Go to Page]
- 4.1.1 General information on dimensional tests
- 4.2 Safety concerns
- 4.3 Ovens
- 5 Test methods for single core cables [Go to Page]
- 5.1 General
- 5.2 Dimensional tests [Go to Page]
- 5.2.1 Cable outside diameter
- 5.2.2 Insulation thickness
- 5.2.3 Conductor diameter
- 5.2.4 Cross-sectional area (CSA)
- 5.2.5 In-process cable outside diameter
- 5.3 Electrical tests [Go to Page]
- 5.3.1 Conductor resistance
- 5.3.2 Determination of temperature coefficients
- 5.3.3 Withstand voltage
- 5.3.4 Withstand voltage after environmental testing
- 5.3.5 Insulation faults
- 5.3.6 Insulation volume resistivity
- 5.4 Mechanical tests [Go to Page]
- 5.4.1 Strip force
- 5.4.2 Abrasion
- 5.4.3 Breaking force of the finished cable
- 5.4.4 Cyclic bending
- 5.4.5 Flexibility
- 5.5 Environmental tests [Go to Page]
- 5.5.1 Test specimen preparation and winding tests
- 5.5.2 Long term heat ageing, 3 000 h at temperature class rating
- 5.5.3 Short term heat ageing, 240 h at temperature class rating +25 °C
- 5.5.4 Thermal overload, 6 h at temperature class rating +50 °C
- 5.5.5 Pressure test at high temperature
- 5.5.6 Shrinkage by heat
- 5.5.7 Low temperature winding
- 5.5.8 Cold impact
- 5.5.9 Temperature and humidity cycling
- 5.5.10 Resistance to hot water
- 5.5.11 Resistance to liquid chemicals
- 5.5.12 Durability of cable marking
- 5.5.13 Stress cracking resistance
- 5.5.14 Resistance to ozone
- 5.5.15 Resistance to flame propagation
- 6 Test methods for sheathed and/or multi-conductor cables [Go to Page]
- 6.1 General
- 6.2 Dimensional tests [Go to Page]
- 6.2.1 Cable outside diameter
- 6.2.2 Ovality of sheath
- 6.2.3 Thickness of sheath
- 6.2.4 In-process cable outside diameter
- 6.2.5 Lay length
- 6.3 Electrical tests [Go to Page]
- 6.3.1 Electrical continuity
- 6.3.2 Withstand voltage at final inspection
- 6.3.3 Screening effectiveness
- 6.3.4 Sheath fault on screened cables
- 6.3.5 General information on electrical test setups of unscreened balanced cables
- 6.3.6 General information on low frequency electrical tests
- 6.3.7 Resistance unbalance
- 6.3.8 Capacitance
- 6.3.9 Inductance
- 6.3.10 General information on high radio frequency (RF) electrical tests
- 6.3.11 Velocity of propagation
- 6.3.12 Characteristic impedance in frequency domain (CIF)
- 6.3.13 Characteristic impedance in time domain (CIT)
- 6.3.14 Insertion loss, (IL)
- 6.3.15 Return loss, (RL)
- 6.3.16 Unbalance attenuations
- 6.3.17 Near-end crosstalk, NEXT
- 6.3.18 Far-end crosstalk, FEXT
- 6.3.19 PS alien near-end crosstalk, PS-ANEXT – exogenous crosstalk
- 6.3.20 PS attenuation to alien far-end crosstalk ratio, PS-AACR-F - exogenous crosstalk
- 6.4 Mechanical tests [Go to Page]
- 6.4.1 Strip force of sheath
- 6.4.2 Cyclic bending
- 6.4.3 Flexibility
- 6.4.4 Cyclic bending test for RF cables
- 6.4.5 Dynamic bending tests for RF cables
- 6.4.6 Test for assessment of minimum bending radius
- 6.4.7 Strip force of screen
- 6.4.8 Abrasion test of sheath
- 6.5 Environmental tests [Go to Page]
- 6.5.1 Test specimen preparation and winding tests
- 6.5.2 Long-term heat ageing, 3 000 h at temperature class rating
- 6.5.3 Short term heat ageing, 240 h at temperature class rating +25 °C
- 6.5.4 Thermal overload, 6 h at temperature class rating +50 °C
- 6.5.5 Pressure test at high temperature
- 6.5.6 Shrinkage by heat of sheath
- 6.5.7 Low temperature winding
- 6.5.8 Cold impact
- 6.5.9 Temperature and humidity cycling
- 6.5.10 Resistance to liquid chemicals
- 6.5.11 Durability of sheath marking
- 6.5.12 Resistance to ozone
- 6.5.13 Artificial weathering
- 6.5.14 Resistance to flame propagation
- Annex A (informative) Examples of materials and sources suppliers
- Annex B (informative) Flexibility test apparatus
- Annex C (normative) Flame test apparatus
- Annex D (informative) Concentricity, A-Factor, Fx,A
- Bibliography [Go to Page]
