Ampacity Ratings for Insulated Conductors NEC 2007
Temperature Correction Factor for wires
GHI Solar Irradiance in North-America
Wire selection for DC
Gauge to mm²
| 16 | 1.5mm² |
| 14 | 2.5mm² |
| 12 | 4.0mm² |
| 10 | 6.0mm² |
| 8 | 10mm² |
| 6 | 16mm² |
| 4 | 25mm² |
| 2 | 35mm² |
| 1 | 50mm² |
| 1/0 | 55mm² |
| 2/0 | 70mm² |
| 3/0 | 95mm² |
| 4/0 | 120mm² |