Harting har-flex Cable Assembly with Strain Relief Female Connectors From Harting, these har-flex double ended flat Cable Assemblies are fitted with Strain Relief Female Connectors. The ribbon cable used for these har-flex cable assemblies is 30 AWG with PVC insulation and 0.635 mm pitch. The connectors used for these har-flex cable assemblies have a Performance Level of 1, >500 matings.