Metric cable-size labels
How mm2 cable labels should be recorded beside Australian cable calculators without copying controlled cable tables.
Metric conductor labels used in cable selection
Explain metric cable-size labels without turning the table into a current-carrying-capacity source.
| Field | Meaning | Use | Boundary |
|---|---|---|---|
| Nominal conductor area | Cable labels use mm2 and describe nominal conductor cross-sectional area. | Record the label from the schedule or product data. | The label alone does not define suitability. |
| Conductor material | Copper and aluminium labels can share nominal sizes but not electrical behaviour. | Record material beside the size. | Do not swap source data between materials. |
| Cable construction | TPS, multicore, single-core and flexible cable records need separate context. | Keep product type visible beside the metric label. | Construction changes the source data that should be used. |
| Current-carrying capacity source | A separate ampere value tied to an installation context. | Enter sourced project, manufacturer or standards-review values. | This public table does not publish capacity values. |
| Voltage-drop data | mV/A/m or R/X values paired to the selected cable context. | Keep data source and candidate label together. | Mismatched data can make a result misleading. |
- Use this table for record labels only.
- Current-carrying capacity and derating remain project values that need a documented basis.
Where cable-size labels meet project data
Match the conductor label to the calculator input and keep the final selection tied to the cable type, installation method and project evidence.
| Item | Value |
|---|---|
| Purpose | Explain metric cable-size labels without turning the table into a current-carrying-capacity source. |
| How to use the source | Not a current-carrying-capacity formula; it is a label and source-record table. |
| Standards and project context | AS/NZS 3008 and AS/NZS 3000 context noted only for project review. |
| Where judgement is still needed | Use this table for lookup, labelling or worksheet context; do not treat it as a project-specific calculation result. |
| Before relying on it | Confirm current standards, local authority requirements, DNSP conditions, project documents and manufacturer data before relying on a decision. |
Standards basis for metric cable labels
Check the standards context, version and Australian application before treating a label as a selectable project value.
| Item | Value |
|---|---|
| Source | AUWiring cable size calculator field model and Australian metric cable-record practice. |
| Source type | AUWiring field model with standards context |
| Derivation basis | Derived from AUWiring calculator labels; no AS/NZS current-carrying-capacity or cable-selection table values are reproduced. |
| Last checked | 2026-07-13 |
| Review interval | Annual or when cable-size fields, terminology or source-data practice changes. |
| Review trigger | Calculator field change, cable terminology change, standards update or project feedback. |
| Version used | R03-2026-07-13 |
| Australian application | Australia; project, product, authority and standards source documents can override worksheet assumptions. |