Cable Derating Factor Table As Per Iec [cracked] [ Linux ]
Note: These values vary slightly based on cable insulation type.
Although the cable is rated for 192A in ideal conditions, in this specific installation, it can safely carry only 133A . cable derating factor table as per iec
A simple 2-column table (Temperature vs. Factor) or a photo of a cable tray with multiple circuits labelled "Grouping Factor K3 = 0.65". Note: These values vary slightly based on cable
| Soil Thermal Resistivity (K.m/W) | Derating Factor ($K_3$) | | :---: | :---: | | 1.0 | 1.15 - 1.20 | | 1.5 | 1.10 | | | 1.05 | | 2.5 (Ref) | 1.00 | | 3.0 | 0.96 | in this specific installation
For 3 circuits, touching, on perforated tray: From Table B.52.17: $K_2 = 0.76$
