Table
Insulation Types: Temperature and Location
Insulation Types: Temperature and Location reference with assumptions and boundary notes.
Reference boundary
Insulation marking reference only. It does not choose conductor ampacity, raceway, cable assembly, or installation method.
Reference table
Compare common conductor insulation labels by temperature and wet-location reference meaning.
| Insulation or cable label | Temp rating (C) | Wet location? | Typical product context | Boundary |
|---|---|---|---|---|
| T90 Nylon | 90 | No | Single conductor building wire | Label meaning only; product markings and project conditions govern suitability |
| TW75 | 75 | Yes | Thermoplastic wet-location conductor reference | Label meaning only; product markings and project conditions govern suitability |
| RW90 | 90 | Yes | XLPE building wire product family | Label meaning only; product markings and project conditions govern suitability |
| NMD90 | 90 | No | Non-metallic dry-location cable assembly | Label meaning only; product markings and project conditions govern suitability |
| AC90 | 90 | No | Armoured cable assembly | Label meaning only; product markings and project conditions govern suitability |
| ACWU90 | 90 | Yes | Jacketed armoured cable assembly | Label meaning only; product markings and project conditions govern suitability |
| TECK90 | 90 | Yes | Jacketed armoured power cable family | Label meaning only; product markings and project conditions govern suitability |
Use notes
- Use this table for preliminary reference and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.