| Classes |
| Accessory_occurrence |
| Assembly_part_occurrence |
| Cavity_plug_occurrence |
| Cavity_seal_occurrence |
| Co_pack_occurrence |
| Component_occurrence |
| Connector_occurrence |
| Connector_usage |
| Core_occurrence |
| Fixing_occurrence |
| General_wire_occurrence |
| Mounting_element |
| Part_substitution |
| Part_usage_select |
| Special_terminal_occurrence |
| Special_wire_occurrence |
| Specified_accessory_occurrence |
| Specified_cavity_plug_occurrence |
| Specified_cavity_seal_occurrence |
| Specified_co_pack_occurrence |
| Specified_component_occurrence |
| Specified_connector_occurrence |
| Specified_fixing_occurrence |
| Specified_special_terminal_occurrence |
| Specified_special_wire_occurrence |
| Specified_terminal_occurrence |
| Specified_wire_occurrence |
| Specified_wire_protection_occurrence |
| Terminal_occurrence |
| Wire_occurrence |
| Wire_protection_occurrence |