Medium Voltage Cables/Correction Factors/Correction Factor for depths of Laying other than 0.8m for Cables in Ducts.



Depth of laying
m
Single-core cables Three-core cables
Nominal Conductor size mm2
  ≤ 185 mm2 > 185 mm2  
0.5
0.6
1.04
1.02
1.05
1.03
1.03
1.02
1
1.25
1.5
0.98
0.96
0.95
0.97
0.95
0.93
0.99
0.97
0.96
1.75
2
2.5
3
0.94
0.93
0.91
0.90
0.92
0.91
0.89
0.88
0.95
0.94
0.93
0.92