Cable size versus ampere table.
The above table value is based on the following condition:
Laying in conduit or air:
Ambient Temperature: 30 C
Load Factor : 1.0
Laying in soil:
Ambient Temperature: 20 C
Load Factor : 0.7
Thermal resistivity of the soil: 1 k.m/W
Depth of laying : 70cm
Flat formation clearance: 7 cm
