Ignition wiring sets and other wiring sets of a kind used in vehicles, aircraft or ships

1. Scope and Applicability

This PCR applies to the foreground manufacture of complete electrical wiring sets or harness assemblies made for installation in vehicles, aircraft, or ships. A covered product is an assembled and routed set of insulated conductors with the terminations, connector housings, seals, splices, shielding, protective coverings, identification, and securing items required by its declared design. It may carry low-voltage, high-voltage, signal, data, ignition, control, or mixed circuits.

The PCR is application-neutral across road vehicles, including electric and hybrid vehicles, aircraft, and ships. A concrete data package may represent a product family or a specific design, but it shall declare the application family and design qualifiers. The PCR does not treat an individual cable, wire, terminal, connector, sleeve, or prepared component kit as the finished reference product. It also excludes wiring assemblies for buildings, stationary machinery, appliances, and telecommunications equipment unless they are manufactured as a set for installation in a covered vehicle, aircraft, or ship.

The foreground gate-to-gate boundary begins with purchased wires, cables, terminals, connectors, seals, coverings, labels, and other components received at the manufacturing site. It includes preparation, termination, splicing when used, harness forming, protective assembly, marking, inspection, electrical testing, rework, and packaging at the manufacturing site. Upstream production of purchased inputs is represented by linked upstream datasets; installation, operation, maintenance, and end-of-life of the vehicle, aircraft, ship, or installed harness are outside this foreground boundary.

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.metal-products-machinery-and-equipment.electrical-machinery-and-apparatus.ignition-wiring-sets-and-other-wiring-sets-of-a-kind-used-in-vehicles-aircraft-or-ships
classification_refs	CPC 3.0: 46330 (exact classification context; mapping acceptance is governed separately)
covered_products	Complete ignition wiring sets and other complete electrical wiring sets or harness assemblies made for vehicles, aircraft, or ships, including low-voltage, high-voltage, signal, data, control, and mixed-circuit harnesses when supplied as an assembled set
excluded_products	Single insulated wires or cables; individual terminals, connectors, seals, grommets, sleeves, tapes, ties, or other parts; prepared component kits and incomplete subassemblies; wiring assemblies for buildings, appliances, stationary machinery, or telecommunications equipment; complete vehicles, aircraft, or ships
representative_product	A finished, tested, application-qualified wiring harness supplied at the manufacturing plant gate with permanently attached components and protective elements
production_route	Purchased-component preparation; cutting and stripping; crimping, soldering, welding, or splicing as applicable; connector assembly; harness forming and protection; marking; inspection and electrical testing; rework; packaging
market_state	Finished manufactured product at plant gate, before installation into a vehicle, aircraft, or ship

3. Reference Flow

Field	Value
What	Finished and conforming ignition wiring set or other wiring set made for a vehicle, aircraft, or ship
How much	1 kg net mass of accepted finished wiring set
How well	Complete according to the declared bill of materials and drawing, with applicable inspection and electrical acceptance tests passed
How long or cycle	One production lot or reporting-period output normalized to 1 kg of accepted product at the plant gate
reference_flow_link	The reference amount is the accepted output mass of the Tiangong product flow identified below

Field	Value
Reference amount	1
Reference product flow	Ignition wiring sets and other wiring sets of a kind used in vehicles, aircraft or ships 4b3f48dd-97a6-427e-9baf-742d7eb6e9c2
Reference flow property	Mass 93a60a56-a3c8-11da-a746-0800200b9a66
Reference unit group	Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66
Reference unit	kg
Required qualifiers	application family (road vehicle, aircraft, or ship); harness function and circuit type; declared voltage class; conductor material and gauge or cross-section range; insulation and jacket system; connector and termination technology; shielding and protective-covering configuration; production geography and site; production period; applicable drawing or bill-of-material revision; applicable acceptance and test specification; treatment of supplied packaging

When constructing a foreground data package, the items listed in Required qualifiers must be declared in dataset metadata, process notes, reference flow comment, product description, or an equivalent data package field. Missing required qualifiers make the reference flow definition incomplete for that data package.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
reference_mass	accepted finished wiring-set output	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	Measure net accepted-product mass with calibrated equipment. Include conductors, insulation, permanent connectors, terminals, seals, grommets, shielding, labels, tapes, sleeves, tubes, ties, clips, and other permanently attached items. Exclude reusable fixtures and separately reported packaging.
lot_normalization	all foreground inputs and outputs	Mass for material rows; the metered unit for utilities	kg for material rows; recorded utility unit before conversion	Aggregate the same production lot or reporting period for the numerator and denominator, then divide by accepted finished-product mass to report each row per 1 kg reference flow.
component_no_double_count	purchased sets, subassemblies, and individual components	Mass	kg	If a purchased subassembly is recorded as one input, do not also record its embedded wires, terminals, connectors, or coverings as separate inputs unless the subassembly dataset expressly excludes them.
mass_reconciliation	material inputs, accepted output, scrap, rejects, retained work in progress, and stock change	Mass	kg	Reconcile measured material inputs against accepted product, exported scrap or waste, rejected product, work-in-progress change, and inventory change for the same period; document rather than force-close any residual.

5. System Boundary

Boundary Abstraction

Field	Value
declared_starting_condition	Purchased wires, cables, contacts, terminals, connector housings, seals, coverings, labels, packaging, and any purchased subassemblies received at the wiring-set manufacturing site
starting_condition_role	Upstream product inputs to the foreground manufacturing system
product_classification_scope	Complete wiring sets manufactured for vehicles, aircraft, or ships; component-only and non-transport applications are outside the reference-product scope
recursive_input_rule	A purchased complete wiring set or sub-harness within the same product category is recorded once as a product input with a linked upstream dataset and declared mass and role. Do not recursively reconstruct the supplier foreground unless it is inside the reporting organisation's operational boundary.
upstream_dataset_requirement	Every material or component input contributing to the finished wiring set shall have an applicable upstream dataset or a disclosed data gap; supplier-specific data are preferred for compositionally or technologically significant inputs.
disclosure	Declare the site, reporting period, product family or design basis, production stages under operational control, outsourced stages, supplied-versus-site-added components, packaging treatment, rework loop, scrap destinations, and excluded downstream installation or use stages.

rule_id	applies_to	rule	source_ids
boundary_foreground_manufacturing	foreground process scope	Include on-site component preparation, termination and splicing as applicable, connector assembly, harness forming and protective covering, marking, inspection, electrical testing, rework, and packaging.	ipc-whma-a-620; nasa-std-8739-4a-change-4
boundary_upstream_linking	purchased inputs	Keep purchased material and component production outside the foreground gate-to-gate system while linking each material input to an upstream dataset or disclosing the gap.	iso-14044-2006; eu-pef-method-2021
boundary_recursive_wiring_sets	purchased same-category wiring sets or sub-harnesses	Record the purchased set once at the point it crosses the foreground boundary and do not expand it into supplier operations unless those operations are within the declared foreground control boundary.	eu-pef-method-2021
boundary_downstream_exclusions	downstream stages	Exclude installation into the vehicle, aircraft, or ship, use-phase electrical losses, maintenance, removal, and end-of-life unless a broader study explicitly adds those stages outside this gate-to-gate dataset.	iso-14044-2006; eu-pef-method-2021

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
component_preparation	Wire, cable, and termination preparation	required	Always; combine only when records cannot be separated, and disclose the aggregation	Prepare conductors, shields, terminals, seals, and connectorized leads for harness formation	prepared leads and subassemblies transferred to harness assembly
harness_assembly	Harness forming and protective assembly	required	Always	Route, branch, secure, cover, identify, and complete the physical harness assembly	assembled harness transferred to final test and finishing
testing_finishing_packaging	Inspection, electrical testing, rework, and packaging	required	Always; specific tests and packaging operations follow the declared design and acceptance specification	Confirm conformity and produce accepted finished wiring sets at the plant gate	1 kg accepted finished wiring set

Process: Wire, cable, and termination preparation (component_preparation)

Inputs

Product flows

Insulated wires and cables (insulated_wires_cables)

Record all purchased insulated conductors, multicore cables, shielded cables, and specialty cables cut or prepared for the wiring set. Quantity comes from receiving, issue, return, and stock-change records reconciled to the reporting period.

• Selected flow: Application-appropriate insulated wire and cable inputs selected from Tiangong for the declared material and cable construction
• Flow property / unit: Mass / kg
• Amount rule: measured issued mass minus unused returned mass, adjusted for stock change
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_materials
• Sources: ipc-whma-a-620; nasa-std-8739-4a-change-4

Terminals, connectors, seals, and termination materials (termination_components)

Record contacts, terminals, connector housings, seals, grommets, splice devices, solder, and other termination materials added during preparation. Use item-level quantities and measured or supplier-declared masses.

• Selected flow: Product-specific terminal, connector, sealing, and termination-material flows; no single generic component flow is imposed
• Flow property / unit: Mass / kg
• Amount rule: item count multiplied by verified unit mass, or direct issued mass where available
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_component_materials
• Sources: ipc-whma-a-620; nasa-std-8739-4a-change-4

Purchased connectorized leads and subassemblies (purchased_subassemblies)

Record complete purchased leads, branches, or sub-harnesses only when they cross the site boundary as identifiable products. Apply the recursive-input and no-double-count rules.

• Selected flow: Supplier-specific prepared lead or subassembly flow matching the purchased item
• Flow property / unit: Mass / kg
• Amount rule: measured received-and-consumed mass for the reporting period
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_materials

Preparation electricity and utilities (preparation_energy)

Record electricity and other metered utilities used for cutting, stripping, crimping, welding, soldering, cleaning, and local extraction. Allocate shared meters using documented machine time or another physical driver.

• Selected flow: Site- and period-appropriate electricity and utility product flows
• Flow property / unit: Metered utility property / metered unit
• Amount rule: submetered use or allocated shared-meter use for the preparation process
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_energy

Waste flows

Elementary flows

Outputs

Product flows

Prepared leads and subassemblies transferred internally (prepared_leads_output)

Record the measured mass of prepared conductors, terminated leads, and subassemblies transferred to harness assembly as an internal intermediate output.

• Selected flow: Internal prepared-lead and subassembly flow
• Flow property / unit: Mass / kg
• Amount rule: measured transfer mass or reconciled input mass less recorded preparation scrap
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per process output transferred to harness assembly
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_component_output_waste

Waste flows

Wire, insulation, terminal, and connector preparation scrap (preparation_scrap)

Record conductor offcuts, stripped insulation, rejected crimps, damaged terminals, connector parts, and collected process residues by material and destination where records permit.

• Selected flow: Destination- and material-specific waste flows
• Flow property / unit: Mass / kg
• Amount rule: measured scrap mass by waste stream; do not net revenue against material input
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_output_waste

Elementary flows

Process: Harness forming and protective assembly (harness_assembly)

Inputs

Product flows

Prepared leads and subassemblies received internally (prepared_leads_input)

Record the same internal intermediate quantity transferred from component preparation, without adding upstream burden a second time.

• Selected flow: Internal prepared-lead and subassembly flow
• Flow property / unit: Mass / kg
• Amount rule: measured transfer mass equal to the corresponding internal output after reconciliation
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_materials

Protective, securing, identification, and finishing materials (protective_materials)

Record tapes, sleeves, tubes, braid, shields, ties, clips, labels, boots, moulding or potting materials, and other items permanently added during harness forming.

• Selected flow: Product-specific protective, securing, identification, and finishing-material flows
• Flow property / unit: Mass / kg
• Amount rule: measured issued mass or item count multiplied by verified unit mass, less unused returns
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_materials
• Sources: ipc-whma-a-620; nasa-std-8739-4a-change-4

Harness-assembly electricity and utilities (assembly_energy)

Record electricity and other metered utilities for layout boards, taping, braiding, heat shrinking, moulding or potting when used, marking, ventilation, and assembly equipment.

• Selected flow: Site- and period-appropriate electricity and utility product flows
• Flow property / unit: Metered utility property / metered unit
• Amount rule: submetered use or allocated shared-meter use for harness assembly
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_energy

Waste flows

Elementary flows

Outputs

Product flows

Assembled harness transferred to final test (assembled_harness_output)

Record the assembled but not yet accepted harness mass transferred to the final inspection, test, and packaging process.

• Selected flow: Internal assembled-harness flow
• Flow property / unit: Mass / kg
• Amount rule: measured transfer mass or reconciled assembly input less recorded assembly waste
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per process output transferred to final testing
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_output_waste

Waste flows

Assembly trim, protective-material waste, and rejected parts (assembly_scrap)

Record tapes, sleeves, ties, labels, moulding materials, rejected branches, and other assembly waste by material and destination where records permit.

• Selected flow: Destination- and material-specific waste flows
• Flow property / unit: Mass / kg
• Amount rule: measured waste mass by waste stream
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_output_waste

Elementary flows

Process: Inspection, electrical testing, rework, and packaging (testing_finishing_packaging)

Inputs

Product flows

Assembled harness received for testing (assembled_harness_input)

Record the internal assembled-harness mass entering final inspection and electrical testing, matching the upstream internal transfer.

• Selected flow: Internal assembled-harness flow
• Flow property / unit: Mass / kg
• Amount rule: measured transfer mass equal to the corresponding internal output after reconciliation
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_test_finish_inputs

Packaging and final finishing materials (packaging_finishing_materials)

Record packaging and any final labels, caps, protectors, or preservatives added after testing. Report packaging separately from net product mass and state whether it is included in the delivered dataset scope.

• Selected flow: Material-specific packaging and finishing product flows
• Flow property / unit: Mass / kg
• Amount rule: measured issued mass or item count multiplied by verified unit mass, less unused returns
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_test_finish_inputs

Test, rework, and packaging electricity (test_finish_energy)

Record metered electricity for continuity testing and any design-required insulation, dielectric, functional, or automated tests, plus rework and packaging equipment.

• Selected flow: Site- and period-appropriate electricity product flow
• Flow property / unit: Energy / kWh
• Amount rule: submetered use or allocated shared-meter use for test, rework, and packaging
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_test_finish_energy
• Sources: ipc-whma-a-620; nasa-std-8739-4a-change-4

Waste flows

Elementary flows

Outputs

Product flows

Accepted finished wiring set (finished_wiring_set)

Record only complete wiring sets that passed the applicable inspection and electrical acceptance requirements as reference-product output.

• Selected flow: Ignition wiring sets and other wiring sets of a kind used in vehicles, aircraft or ships 4b3f48dd-97a6-427e-9baf-742d7eb6e9c2
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: measured net mass of accepted finished wiring sets; reference amount equals 1 kg
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finished_output_tests
• Sources: ipc-whma-a-620; nasa-std-8739-4a-change-4

Waste flows

Scrapped rejected wiring sets and test-damaged parts (rejected_finished_waste)

Record rejected units or parts that leave the rework loop as waste, classified by material and treatment destination where known. Do not count units still in rework as waste.

• Selected flow: Destination- and material-specific waste flows
• Flow property / unit: Mass / kg
• Amount rule: measured mass of final rejects transferred out of the rework loop
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted finished wiring set
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finished_output_tests

Elementary flows

7. Allocation and Co-product Handling

rule_id	applies_to	rule	source_ids
allocation_avoid_by_subdivision	shared site operations and meters	Avoid allocation by separately metering or subdividing preparation, assembly, test, rework, and packaging operations whenever practicable.	iso-14044-2006; eu-pef-method-2021
allocation_internal_rework	internal rework and recovered work in progress	Keep burdens and material returns inside the same foreground system; do not create a co-product credit for an item that returns to production.	eu-pef-method-2021
allocation_multiple_products	unavoidable shared burdens across distinct saleable products	Use a documented physical causal driver such as machine time, processed mass, or test time. If no physical relation reasonably represents burden causation, use a documented economic relation and disclose the method, period, prices, and sensitivity.	iso-14044-2006; eu-pef-method-2021
allocation_scrap_and_residues	sold scrap, recyclable residues, and waste	Report the mass and destination as separate outputs. Do not subtract scrap revenue or an avoided burden from foreground inputs unless the broader study declares and applies a consistent recycling or substitution method.	iso-14044-2006; eu-pef-method-2021

8. Foreground Data Collection, Calculation, and Quality Rules

Data Collection Protocols

protocol_id	process_id	flow_role	record_type	raw_fields	collection_method	unit	frequency	temporal_coverage	site_scope	aggregation_rule	quality_evidence
cp_component_materials	component_preparation	wires, cables, terminals, connectors, seals, and purchased subassemblies	receiving, issue, return, BOM, unit-mass, and inventory records	item_id; material_or_component_description; supplier; quantity_received; quantity_issued; quantity_returned; unit_mass; opening_stock; closing_stock; lot_id; product_family	reconcile ERP or warehouse movements to verified BOM and unit-mass records	kg and item	each receipt and issue; aggregate monthly	representative reporting period or complete production campaign	all preparation lines in the declared site	sum consumed mass by item and product family; retain purchased subassemblies as single rows unless their datasets exclude embedded components	purchase record; BOM revision; calibrated scale or supplier mass evidence; stock reconciliation
cp_component_energy	component_preparation	preparation electricity and utilities	meter, submeter, equipment-runtime, and utility invoice records	meter_id; reading_start; reading_end; utility_type; machine_runtime; allocation_driver; production_lot	read submeters; allocate only shared consumption using a documented physical driver	metered utility unit	per shift or meter interval; aggregate monthly	same period as material and accepted-output records	all preparation equipment in the declared site	subtract meter readings and allocate shared use by machine time or another justified physical driver	meter identity; calibration or invoice; allocation worksheet
cp_component_output_waste	component_preparation	prepared-lead transfers and preparation scrap	transfer weighment, scrap-bin, rejection, and waste-dispatch records	lot_id; output_mass; scrap_material; scrap_mass; destination; date	weigh internal transfers and segregated scrap; reconcile to material inputs	kg	each transfer and waste dispatch; aggregate monthly	same period as component inputs	all preparation lines in the declared site	sum transfers and scrap by product family, material, and destination	scale calibration; transfer ticket; waste manifest; reconciliation record
cp_assembly_materials	harness_assembly	prepared leads and protective, securing, identification, and finishing materials	transfer, issue, return, BOM, count, and unit-mass records	item_id; description; quantity_issued; quantity_returned; unit_mass; transfer_mass; lot_id; product_family	reconcile internal transfers and warehouse issues to verified BOM and unit masses	kg and item	each transfer and issue; aggregate monthly	same period as accepted-output records	all harness assembly lines in the declared site	sum consumed mass by item and product family	BOM and drawing revision; scale or unit-mass evidence; stock reconciliation
cp_assembly_energy	harness_assembly	assembly electricity and utilities	meter, equipment-runtime, and utility records	meter_id; reading_start; reading_end; utility_type; runtime; allocation_driver; production_lot	read submeters; allocate shared consumption using documented physical drivers	metered utility unit	per shift or meter interval; aggregate monthly	same period as assembly material records	all assembly equipment in the declared site	subtract meter readings and allocate shared use by machine time or another justified physical driver	meter identity; calibration or invoice; allocation worksheet
cp_assembly_output_waste	harness_assembly	assembled-harness transfers and assembly waste	transfer weighment, scrap-bin, rejection, and waste-dispatch records	lot_id; output_mass; waste_material; waste_mass; destination; date	weigh internal transfers and segregated waste	kg	each transfer and waste dispatch; aggregate monthly	same period as assembly inputs	all assembly lines in the declared site	sum transfers and waste by product family, material, and destination	scale calibration; transfer ticket; waste manifest; reconciliation record
cp_test_finish_inputs	testing_finishing_packaging	assembled harnesses, packaging, labels, caps, and finishing inputs	transfer, issue, return, BOM, count, and unit-mass records	item_id; description; quantity_issued; quantity_returned; unit_mass; transfer_mass; lot_id; product_family	reconcile internal transfers and issued materials to verified BOM and unit masses	kg and item	each transfer and issue; aggregate monthly	same period as accepted-output records	all test, rework, and packaging areas in the declared site	sum consumed mass by item and product family; keep packaging separate from net reference-product mass	BOM and packaging specification; scale or unit-mass evidence; stock reconciliation
cp_test_finish_energy	testing_finishing_packaging	test, rework, and packaging electricity	meter, test-cycle, equipment-runtime, and utility records	meter_id; reading_start; reading_end; test_cycles; runtime; allocation_driver; lot_id	read submeters; allocate shared consumption using test cycles, machine time, or another physical driver	kWh	per shift or meter interval; aggregate monthly	same period as accepted-output records	all test, rework, and packaging equipment in the declared site	subtract meter readings and allocate shared use by documented physical driver	meter identity; calibration or invoice; test-equipment log; allocation worksheet
cp_finished_output_tests	testing_finishing_packaging	accepted output, inspection and test status, rework, and final rejects	scale, production, test, nonconformance, rework, and waste records	serial_or_lot_id; product_family; drawing_revision; net_mass; test_specification; test_result; rework_status; reject_mass; waste_destination; date	weigh accepted and rejected output and link test and inspection records to the lot or serial identity	kg and test status	each lot or unit as required by the acceptance specification; aggregate monthly	same period as all foreground inputs	all accepted output and final rejects from the declared site	sum accepted net mass and final reject mass; exclude unresolved work in progress from both until disposition	scale calibration; current drawing and BOM; test-equipment calibration; traceable inspection and test report; nonconformance disposition

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
calc_count_to_mass	counted components and packaging	consumed mass = (issued item count - returned item count) × verified unit mass	issued count; returned count; verified unit mass	consumed mass by item in kg
calc_net_material_consumption	mass-issued materials	consumed mass = opening stock + receipts - closing stock - documented returns or transfers out	opening stock; receipts; closing stock; returns; transfers	consumed input mass in kg	eu-pef-method-2021
calc_normalize_reference_mass	every foreground inventory row	normalized amount = reporting-period row amount / reporting-period accepted finished-product mass	aggregated row amount; accepted finished-product mass	amount per 1 kg accepted wiring set	iso-14044-2006; eu-pef-method-2021
calc_mass_reconciliation	whole foreground system	residual = total material inputs - accepted net product - exported waste and scrap - final rejects - closing work-in-progress increase + opening work-in-progress decrease; investigate and disclose the residual without forced adjustment	material inputs; accepted product; waste; scrap; rejects; work-in-progress change; stock change	mass reconciliation and disclosed residual in kg	eu-pef-method-2021

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
dq_identity_and_scope	product identity and boundary	Retain the current drawing, bill of materials, application family, circuit and voltage class, product revision, site, period, included operations, outsourced operations, and packaging treatment.	approved drawing and BOM; routing; scope statement; product metadata
dq_primary_records	material, energy, waste, and output quantities	Use site records for foreground quantities. Supplier or generic secondary data may describe upstream production but shall not replace measured foreground consumption or output.	receiving and issue records; meters; invoices; scale tickets; production reports; waste manifests
dq_temporal_alignment	all foreground rows	Use one representative reporting period, normally 12 consecutive months or a complete production campaign, and align input, output, rework, stock-change, and waste records to that period. Disclose shutdowns, ramp-up, or exceptional production.	period register; production calendar; meter dates; stock records; campaign report
dq_mass_completeness	material balance	Include all bill-of-material items and measurable process additions, accepted product, scrap, final rejects, work-in-progress change, and stock change; explain unresolved residuals and missing supplier datasets.	mass-reconciliation worksheet; BOM coverage check; data-gap register
dq_test_traceability	inspection and electrical testing	Retain current acceptance procedures and traceable inspection and test results. At minimum record continuity testing; record insulation-resistance, dielectric-withstand, shielding, functional, or other tests when required by the declared application and specification.	test specification; calibrated-equipment record; lot- or serial-linked test report; nasa-std-8739-4a-change-4; ipc-whma-a-620
dq_allocation	shared operations	Document every shared-meter or shared-process allocation driver and retain the calculation and sensitivity when a non-physical relation is used.	allocation worksheet; meter map; production statistics; iso-14044-2006; eu-pef-method-2021

9. Validation Rules

rule_id	applies_to	rule	source_ids
validate_complete_set_scope	product identity	Confirm that the reference product is a complete wiring set for a vehicle, aircraft, or ship, not a single wire, cable, connector, terminal, component kit, incomplete subassembly, or complete transport equipment item.	ipc-whma-a-620
validate_reference_identity	reference flow	Require product flow UUID 4b3f48dd-97a6-427e-9baf-742d7eb6e9c2, Mass UUID 93a60a56-a3c8-11da-a746-0800200b9a66, Units of mass UUID 93a60a57-a4c8-11da-a746-0800200c9a66, unit kg, and reference amount 1.
validate_required_qualifiers	functional unit and dataset metadata	Fail completeness when any required qualifier is absent or when the bill-of-material, drawing, test-specification, or packaging basis is not identifiable.	ipc-whma-a-620; nasa-std-8739-4a-change-4
validate_process_coverage	foreground process inventory	Require all three process-map stages or a documented aggregation that preserves preparation, assembly, testing, rework, packaging, input, output, and waste coverage.	ipc-whma-a-620; nasa-std-8739-4a-change-4
validate_internal_transfers	prepared-lead and assembled-harness internal flows	Confirm that each internal output has a matching downstream input and carries no duplicated upstream burden.	eu-pef-method-2021
validate_mass_reconciliation	whole foreground system	Require a mass-reconciliation worksheet covering inputs, accepted product, waste, scrap, rejects, work-in-progress, and stock change; unresolved residuals must be disclosed and must not be forced into another row.	eu-pef-method-2021
validate_test_records	accepted output	Require traceable inspection and continuity-test evidence for accepted product and all additional tests required by the declared design or acceptance specification.	ipc-whma-a-620; nasa-std-8739-4a-change-4
validate_allocation_disclosure	shared burdens and scrap	Require the allocation driver, data period, calculations, and scrap or waste treatment to be disclosed; prohibit unexplained revenue netting or avoided-burden credits.	iso-14044-2006; eu-pef-method-2021
validate_no_unsourced_defaults	all foreground amounts	Reject undocumented default quantities presented as measured or source-backed values. Foreground gaps shall remain explicit and replaceable.	iso-14044-2006; eu-pef-method-2021

10. Published Dataset Profile

Field	Value
dataset_role	Foreground gate-to-gate production dataset for a finished wiring set at the manufacturing plant gate
downstream_use	May be published as a secondary_dataset or background_dataset and used as a component-production input to vehicle, aircraft, ship, process, or lifecyclemodel studies
allowed_use	Product-family or design-specific studies whose application, voltage, material, connector, protection, geography, period, test, and packaging qualifiers are compatible with the dataset
excluded_use	Single wires, cables, connectors, terminals, incomplete kits or subassemblies; non-transport wiring applications; installed-system use or end-of-life claims; comparison across incompatible designs without additional normalization and review
required_metadata	PCR id; product flow UUID; application family; harness function; circuit and voltage class; conductor and insulation system; connector and termination technology; shielding and protection; drawing and BOM revision; site and geography; reporting period; production route; outsourced stages; applicable test specification; packaging treatment; allocation method
required_quality_disclosure	Foreground-data coverage; meter and mass-measurement basis; BOM and supplier-data coverage; mass-reconciliation residual; rejected and reworked output; test coverage and traceability; allocation drivers; upstream dataset gaps; temporal, geographical, and technological representativeness
update_trigger	Change in drawing or BOM that materially changes composition; conductor, insulation, connector, termination, shielding, or protection technology change; voltage-class or application change; site or route change; material change in supplier mix, energy mix, scrap treatment, allocation method, test regime, packaging, or reporting period

11. Data Sources

Source id	Type	Reference	Used for
ipc-whma-a-620	standard	IPC and WHMA, Requirements and Acceptance for Cable and Wire Harness Assemblies, official IPC description: https://www.ipc.org/ipc-validation-services-qualified-manufacturing-companies-qml-ipcwhma-620 (retrieved 2026-08-09)	Category meaning; assembly activities; crimped, mechanically secured, and soldered interconnections; inspection and test basis; process-control and acceptance-record expectations
nasa-std-8739-4a-change-4	standard	NASA-STD-8739.4A Change 4, Workmanship Standard for Crimping, Interconnecting Cables, Harnesses, and Wiring: https://standards.nasa.gov/node/283 (retrieved 2026-08-09)	Detailed process decomposition for forming, stripping, shielding, crimping, connector assembly, identification, cleaning, handling, testing, splicing, and quality assurance; test and record traceability for critical applications
iso-14044-2006	standard	ISO 14044:2006, Environmental management — Life cycle assessment — Requirements and guidelines: https://www.iso.org/standard/38498.html (retrieved 2026-08-09)	Goal and scope, inventory, allocation, reporting, limitations, and interpretation framework
eu-pef-method-2021	official_guidance	Commission Recommendation (EU) 2021/2279, Annex I, Product Environmental Footprint Method: https://eur-lex.europa.eu/eli/reco/2021/2279/2021-12-30/eng (retrieved 2026-08-09)	Functional unit and reference flow framing; system boundary; inventory data quality; allocation hierarchy; normalization and reporting