Cable Derating Factor Table As Per Iec ((hot)) Page

The deeper the cable is buried, the longer the path for heat to escape to the surface. Standard depth is typically .

Here are the you must check in the standard tables: cable derating factor table as per iec

Cable Derating Factor Table as per IEC

Although the cable is rated for 192A in ideal conditions, in this specific installation, it can safely carry only 133A . The deeper the cable is buried, the longer

$$I_corrected = I_base \times K_total$$