AS/NZS 3008.1.1:2025
Table 3.44, 3.45
Correction factors for ambient air and soil temperature
The cable size, correction factors and DC cable size tools read the ambient correction factor here. Table 3.44 gives the air factor and Table 3.45 the soil factor. Several factors differ from 2017.
Kua manatokotia: pānuitia ki te paerewa tā, whārangi 84–85. I tirohia 27 Sept 2026.
Ngā unit: Temp °C
Ko ēnei ngā uara e tuhia ana e AmpSize. Kāore he kupu o te paerewa e tuhia ana. Whakamanahia ki te paerewa o nāianei.
41 rārangi
| Insulation | Medium | Conductor temp C | Temp (°C) | Factor |
|---|---|---|---|---|
| PVC | air | 75 | 15 | 1.31 |
| PVC | air | 75 | 20 | 1.25 |
| PVC | air | 75 | 25 | 1.2 |
| PVC | air | 75 | 30 | 1.13 |
| PVC | air | 75 | 35 | 1.07 |
| PVC | air | 75 | 40 | 1 |
| PVC | air | 75 | 45 | 0.93 |
| PVC | air | 75 | 50 | 0.85 |
| PVC | air | 75 | 55 | 0.76 |
| PVC | air | 75 | 60 | 0.65 |
| PVC | air | 75 | 65 | 0.53 |
| PVC | air | 75 | 70 | 0.38 |
| XLPE | air | 90 | 15 | 1.22 |
| XLPE | air | 90 | 20 | 1.18 |
| XLPE | air | 90 | 25 | 1.14 |
| XLPE | air | 90 | 30 | 1.1 |
| XLPE | air | 90 | 35 | 1.05 |
| XLPE | air | 90 | 40 | 1 |
| XLPE | air | 90 | 45 | 0.95 |
| XLPE | air | 90 | 50 | 0.89 |
| XLPE | air | 90 | 55 | 0.84 |
| XLPE | air | 90 | 60 | 0.77 |
| XLPE | air | 90 | 65 | 0.71 |
| XLPE | air | 90 | 70 | 0.63 |
| XLPE | air | 90 | 75 | 0.55 |
| XLPE | air | 90 | 80 | 0.45 |
| XLPE | air | 90 | 85 | 0.32 |
| PVC | soil | 75 | 10 | 1.14 |
| PVC | soil | 75 | 15 | 1.1 |
| PVC | soil | 75 | 20 | 1.05 |
| PVC | soil | 75 | 25 | 1 |
| PVC | soil | 75 | 30 | 0.95 |
| PVC | soil | 75 | 35 | 0.89 |
| PVC | soil | 75 | 40 | 0.84 |
| XLPE | soil | 90 | 10 | 1.11 |
| XLPE | soil | 90 | 15 | 1.07 |
| XLPE | soil | 90 | 20 | 1.04 |
| XLPE | soil | 90 | 25 | 1 |
| XLPE | soil | 90 | 30 | 0.96 |
| XLPE | soil | 90 | 35 | 0.92 |
| XLPE | soil | 90 | 40 | 0.88 |