AS/NZS 3008.1.2:2017
Table 27(1), 27(2)
Rating factors for air and soil ambient temperature
The cable size and correction factors tools read the factor for the air or ground temperature on the route. A hot route lowers the current the cable can carry.
تم التحقق: مقروء مقابل المعيار المطبوع، الصفحات 88. تم التحقق في 24 Sept 2026.
الوحدات: Temp °C
هذه هي القيم التي ترمّزها AmpSize. لا يُعاد إنتاج أي نص من المعيار. تحقق من المعيار الحالي.
41 صفوف
| Insulation | Medium | Conductor temp C | Temp (°C) | Factor |
|---|---|---|---|---|
| PVC | air | 75 | 15 | 1.18 |
| PVC | air | 75 | 20 | 1.12 |
| PVC | air | 75 | 25 | 1.06 |
| PVC | air | 75 | 30 | 1 |
| PVC | air | 75 | 35 | 0.94 |
| PVC | air | 75 | 40 | 0.88 |
| PVC | air | 75 | 45 | 0.8 |
| PVC | air | 75 | 50 | 0.72 |
| PVC | air | 75 | 55 | 0.63 |
| PVC | air | 75 | 60 | 0.53 |
| PVC | air | 75 | 65 | 0.43 |
| PVC | air | 75 | 70 | 0.32 |
| XLPE | air | 90 | 15 | 1.15 |
| XLPE | air | 90 | 20 | 1.09 |
| XLPE | air | 90 | 25 | 1.05 |
| XLPE | air | 90 | 30 | 1 |
| XLPE | air | 90 | 35 | 0.95 |
| XLPE | air | 90 | 40 | 0.91 |
| XLPE | air | 90 | 45 | 0.85 |
| XLPE | air | 90 | 50 | 0.8 |
| XLPE | air | 90 | 55 | 0.74 |
| XLPE | air | 90 | 60 | 0.66 |
| XLPE | air | 90 | 65 | 0.59 |
| XLPE | air | 90 | 70 | 0.52 |
| XLPE | air | 90 | 75 | 0.43 |
| XLPE | air | 90 | 80 | 0.31 |
| XLPE | air | 90 | 85 | 0.17 |
| PVC | soil | 75 | 10 | 1.04 |
| PVC | soil | 75 | 15 | 1 |
| PVC | soil | 75 | 20 | 0.95 |
| PVC | soil | 75 | 25 | 0.91 |
| PVC | soil | 75 | 30 | 0.86 |
| PVC | soil | 75 | 35 | 0.81 |
| PVC | soil | 75 | 40 | 0.75 |
| XLPE | soil | 90 | 10 | 1.04 |
| XLPE | soil | 90 | 15 | 1 |
| XLPE | soil | 90 | 20 | 0.96 |
| XLPE | soil | 90 | 25 | 0.93 |
| XLPE | soil | 90 | 30 | 0.91 |
| XLPE | soil | 90 | 35 | 0.87 |
| XLPE | soil | 90 | 40 | 0.83 |
الأدوات التي تقرؤها (3)
الأدلة وصفحات التعلّم التي تستشهد به (11)
- Submain cable size for 3‑phase 100 A over 60 m
- Three circuits in a hot ceiling: correction factor
- What size breaker for 4 mm² cable
- Cable size for a 20 A heat pump circuit in summer
- AmpSize vs jCalc vs free cable sizing tools
- AS/NZS 3008.1.2 Tables 22 to 29: derating
- AS/NZS 3008.1.1 vs 3008.1.2: AU and NZ conditions
- AS/NZS 3008 Table 27 (now 3.44, 3.45): temperature
- Current-carrying capacity and derating
- Correction factors in the 2017 and 2025 editions
- Underground cables and civil interfaces