electrical cable
Enable an agent to recognise an electrical cable, record its construction and condition, and determine whether a proposed electrical use, installation or intervention is supported by evidence.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
recalled by Codex without web access - no source was read
Researched by: Codex
Purpose and description
Enable an agent to recognise an electrical cable, record its construction and condition, and determine whether a proposed electrical use, installation or intervention is supported by evidence.
An electrical cable is an assembly of one or more electrical conductors, together with any insulation, shielding and protective coverings, manufactured as a unit to transmit electrical power or signals.
It can be Identify a cable from markings, construction and traceable product documentation.; Compare a candidate cable with a proposed power, control or signal duty.; Check a proposed route, bend, pulling method and termination against documented limits.; Plan inspection or testing appropriate to the cable construction and recorded electrical status.; Assess whether an installed segment should remain in service, undergo further investigation or be replaced.; Trace a segment to its endpoints and supporting evidence before a proposed intervention..
Distinguishing features
Contains an intended electrically conductive path; an optical-only fibre cable conveys light instead.
Is identified as a cable construction, rather than inferred to be one merely because an object is long and conductive.
Requires an explicit boundary decision against single wire and bare conductor, using the applicable product terminology and construction evidence.
Forms a length-based transmission element; a rigid busbar or a printed circuit trace belongs to a neighbouring kind.
Can be a constituent of a cable harness or cord set, while the harness topology, fitted connectors and complete assembly identity belong to the assembly model.
Scope
+ Conductor arrangement, materials, insulation, screens, armour and outer covering
+ Power, control and electrical signal transmission roles
+ Declared electrical ratings and the conditions under which they apply
+ Routing, bending, pulling, support and termination constraints
+ Cable identification, installed condition, test evidence and serviceability
- Optical-only fibre cables and mechanical ropes
- Whole circuits, distribution networks and their protection coordination
- Connectors, plugs, joints and terminations as independently modelled components
- Cable trays, conduits and other supporting infrastructure
- Powered equipment and communication protocols using the cable
Characteristics
- Transmission role
- power; control; electrical signal; combined; unknown Determines which electrical performance and compatibility evidence is relevant.
- Conductor construction
- material; solid or stranded; strand arrangement; declared flexibility classification Affects resistance, termination compatibility and suitability for movement.
- Conductor count and arrangement
- count; cores; pairs; coaxial arrangement; screen and protective-conductor roles Identifies available electrical paths and prevents treating every conductive component as interchangeable.
- Conductor size
- mm² per conductor, or declared gauge with its naming system Supports assessment of electrical loading and termination fit without confusing conductor size with overall cable diameter.
- Insulation and protective construction
- layer materials and arrangement; screen; sheath; armour; additional protective layers Explains electrical separation and resistance to the intended environment.
- Declared voltage rating
- V or kV, retaining AC/DC designation and the source rating notation Supports comparison with the proposed service without stripping away the rating's meaning.
- Permissible current under stated conditions
- A, with installation method, ambient conditions, grouping and applicable temperature limits Prevents treating current capacity as an unconditional property of the cable.
- Electrical transmission parameters
- Ω/km; pF/m; Ω characteristic impedance; dB per stated length and frequency, as applicable Supports power-loss, voltage-drop and signal-performance assessment.
- Temperature limits
- °C, separately for installation, operation and any declared exceptional duty Different activities and service states may have different limits.
- Installation geometry and load limits
- overall dimensions in mm; minimum bend radius in mm or diameter multiples; pulling tension in N Supports route and installation decisions that avoid damaging the construction.
- Installed segment and endpoint association
- product designation; segment identity; route; endpoints; connected circuit or equipment Connects product evidence to the actual length being assessed.
- Observed condition and electrical status
- recorded defects and test outcomes; energised, isolation verified, or status unknown, with timestamp Separates physical serviceability from evidence that an intervention is permissible.
Also called
+31
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 6 bundles · 11 layers · 19 findings · 30 questions.
Cable identity and boundary Establish what counts as this cable and connect its identity to usable evidence.
Wire, cable, cord and harness terminology can overlap, while product markings determine which specifications can be applied.
Construction boundary
Recognise the cable and its relationship to neighbouring transmission elements.
Electrical cable membership
Record the construction and terminology supporting classification as an electrical cable.
- What conductor and surrounding construction make this an electrical cable under the terminology being used? definition
- Does the identified object include fitted connectors or multiple routed branches that require a separate assembly model? boundary
Markings and traceability
Associate visible identifiers with the correct product evidence.
Designation evidence
Keep observed markings distinct from inferred product identity.
- Which sheath markings, reel labels or installation records identify the manufacturer and cable designation? provenance
- Which document revision supports the specifications, and how securely is it linked to this installed segment? provenance
Conductors and layer construction Describe the conductive paths and the layers that separate and protect them.
Cable behaviour depends on internal construction that may not be visible from its outer dimensions.
Conductive paths
Identify conductor sizes, arrangements and assigned roles.
Conductor configuration
Record each relevant conductor type without assuming equal size or interchangeable roles.
- What are the conductor materials, cross-sectional areas, strand constructions and core or pair arrangements? measurement
- Which elements serve power, return, protective, signal, screening or drain functions, and what evidence establishes those roles? definition
Insulation, screening and protection
Distinguish electrical insulation from screening and mechanical protection.
Functional layer stack
Record the sequence, material and intended function of the cable's layers.
- Which layers provide conductor insulation, overall covering, screening, armour or environmental barriers? definition
- Which construction details are documented, and which remain uncertain because only the exterior has been inspected? provenance
Electrical duty and performance Relate electrical ratings and transmission behaviour to the proposed service.
Suitability requires matching both the transmission role and the conditions attached to ratings.
Voltage, current and heating
Assess electrical loading with its thermal and installation dependencies.
Conditional loading envelope
Preserve the assumptions behind voltage and current suitability.
- What voltage and current duty is proposed, and which documented ratings address that duty? measurement
- How do ambient temperature, grouping, installation method and heat dissipation affect the permissible loading? action
Power and signal transmission
Select performance measures appropriate to the cable's role and length.
Transmission fit
Assess losses and signal constraints without applying every parameter to every cable.
- For the intended length and duty, which resistance, voltage-drop, impedance, attenuation or coupling parameters must be established? measurement
- What endpoint, frequency or screening requirements constrain whether this cable can perform the intended transmission task? boundary
Installation and exposure Determine whether the cable can be placed, connected and operated in its proposed surroundings.
A cable with suitable electrical ratings can still be unsuitable for its route, movement or environmental exposure.
Routing and termination
Connect cable dimensions and construction to handling and interface requirements.
Mechanical installation fit
Record limits for bending, pulling, support and conductor preparation.
- What bend-radius, pulling-tension, support and movement limits apply during installation and service? measurement
- Which glands, terminals and preparation methods are compatible with the cable dimensions, conductor material and protective layers? action
Environment and declared compliance
Match actual exposure and applicable requirements to documented cable capabilities.
Exposure suitability evidence
Keep environmental and fire-related claims tied to their specific evidence and scope.
- Will the cable encounter water, sunlight, chemicals, abrasion, burial, repeated flexing or temperature extremes? measurement
- Which standards, issuing bodies, editions and declarations support suitability for these exposures and the installation jurisdiction? provenance
- Are flame spread, smoke behaviour and circuit survival requirements separately specified where relevant? boundary
Condition, testing and intervention Assess the installed cable and establish evidence needed for maintenance or replacement.
Product ratings alone do not establish the condition or electrical status of a particular segment.
Degradation and test evidence
Combine observed damage, service history and construction-appropriate tests.
Segment serviceability
Record defects and test limitations before reaching a serviceability judgement.
- What cracking, crushing, overheating, corrosion, moisture ingress or movement-related damage has been observed, and where? measurement
- Which continuity, insulation, screen-integrity or transmission tests are appropriate, and what methods and acceptance criteria support their interpretation? action
Electrical status and work decision
Link proposed work to endpoint identification and verified electrical status.
Intervention readiness
Separate a cable's apparent condition from evidence supporting a specific intervention.
- Which endpoints and possible sources of energisation belong to this segment, and what current evidence establishes its electrical status? provenance
- What additional identification, isolation, testing or specialist assessment is required before the proposed handling, cutting, repair or replacement? action
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.
A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.
Reported evidence
Findings from the breadth pass, kept separate from the structural claims.
Check these first
Recalled without web access and unsourced; every item is a lead to verify.
- This describes the general physical cable kind; terminology at the wire-cable boundary varies.
- Standards are recalled without checking editions or applicability; the listed measurements illustrate selected cable families, not universal limits.
- Current-carrying capacity cannot be inferred from conductor area alone: material, insulation, ambient temperature, grouping and installation method also matter.
- Which of these check these first hold for the sense of electrical cable this model covers, and on what evidence? provenance
Kinds and varieties
Recalled without web access and unsourced; every item is a lead to verify.
- Single-core power cable
- Multicore power cable
- Flexible cord
- Coaxial cable
- Twisted-pair cable
- Flat ribbon cable
- Which of these kinds and varieties hold for the sense of electrical cable this model covers, and on what evidence? provenance
Identifiers and schemes
Recalled without web access and unsourced; every item is a lead to verify.
- American Wire Gauge (AWG) - A gauge designation such as 24 AWG or 12 AWG - Specifies conductor size, not a unique cable identity or a complete electrical rating.
- Metric conductor-size designation - Number of cores × nominal conductor cross-sectional area in mm² - Describes core count and size; insulation, voltage rating and construction require additional information.
- Which of these identifiers and schemes hold for the sense of electrical cable this model covers, and on what evidence? provenance
Standards and regulation
Recalled without web access and unsourced; every item is a lead to verify.
- IEC 60228 - International Electrotechnical Commission: conductors of insulated cables.
- IEC 60502-1 - International Electrotechnical Commission: extruded-insulation power cables for rated voltages of 1 kV and 3 kV.
- IEC 60227 series - International Electrotechnical Commission: PVC-insulated cables with rated voltages up to and including 450/750 V.
- IEC 60332 series - International Electrotechnical Commission: tests on electric and optical fibre cables under fire conditions.
- NFPA 70, National Electrical Code - National Fire Protection Association: electrical installation requirements, including cable selection and installation.
- Which of these standards and regulation hold for the sense of electrical cable this model covers, and on what evidence? provenance
Real-world use
Recalled without web access and unsourced; every item is a lead to verify.
- Distributing electrical power in buildings and industrial installations.
- Connecting appliances and portable equipment to power supplies.
- Carrying control and instrumentation signals.
- Transmitting telecommunications and data signals.
- Connecting components within vehicles and electronic equipment.
- Which of these real-world use hold for the sense of electrical cable this model covers, and on what evidence? provenance
Typical measurements
Recalled without web access and unsourced; every item is a lead to verify.
- Nominal conductor cross-sectional area in common small power and appliance cables - 0.5-16 - mm²
- Conductor size in common copper twisted-pair data cables - 22-26 - AWG
- Nominal characteristic impedance of common coaxial cable families - 50 or 75 - Ω
- Which of these typical measurements hold for the sense of electrical cable this model covers, and on what evidence? provenance
Failure modes and hazards
Recalled without web access and unsourced; every item is a lead to verify.
- Insulation damage or breakdown can cause short circuits, electric shock and arcing.
- Overloading, inadequate heat dissipation or high-resistance terminations can cause overheating and fire.
- Repeated bending, tension or vibration can fracture conductors or loosen terminations.
- Moisture, corrosion, ultraviolet exposure and incompatible chemicals can degrade conductors and protective materials.
- Incorrect shielding, impedance or termination can introduce interference, reflections and signal loss.
- Which of these failure modes and hazards hold for the sense of electrical cable this model covers, and on what evidence? provenance
Regional variation
Recalled without web access and unsourced; every item is a lead to verify.
- North American conductor sizes commonly use AWG and kcmil; many other markets use nominal cross-sectional area in mm².
- Conductor colours and identification conventions vary by jurisdiction, application and installation age.
- Permitted cable constructions, installation methods and approval markings depend on local codes and product requirements.
- Which of these regional variation hold for the sense of electrical cable this model covers, and on what evidence? provenance
Neighbouring kinds and how to tell them apart
Recalled without web access and unsourced; every item is a lead to verify.
- Electrical wire - Wire usually denotes an individual conductor, bare or insulated; cable denotes a manufactured conductor assembly, although usage overlaps for single-conductor products.
- Optical fibre cable - Transmits signals through optical fibres rather than electrical conductors; hybrid cables can contain both.
- Wiring harness - Combines routed wires or cables, often with connectors and branches, into an installation-specific assembly.
- Busbar - Provides a substantially rigid conductive bar or strip for power distribution rather than a cable construction.
- Wire rope - Is designed primarily to carry mechanical loads rather than electrical power or signals.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of electrical cable this model covers, and on what evidence? provenance
What the second pass must settle
- Which authoritative definition should govern the boundary between electrical cable, single insulated wire, bare conductor and flexible cord for this registry entry?
- Does an existing Vercy world model already cover this concept, requiring a link instead of a separate publication?
- Which cable families need additional layers for specialised construction or duty, such as coaxial transmission, high-voltage service, repeated motion or subsea installation?
- Which standards and certification systems apply to each intended cable family and jurisdiction, and which claims can be supported by sources actually read?
- What construction-specific test methods and acceptance criteria provide sufficient evidence for continued service, repair or replacement?