Medium Voltage Cables/Group Rating Factors/Group rating factors single core cables


Group rating factors single core cables

Group rating factors for single core cables in trefoil single way ducts, horizontal formation (average value)


 
Spacing
  Number Of Circuits Touching 0.45m 0.60m
3.6/6 to
12/20kV
Cables
2 0.85 0.88 0.90
3 0.75 0.80 0.83
4 0.70 0.76 0.80
5 0.67 0.73 0.77
6 0.64 0.71 0.76
18/30kV
cables
2 0.85 0.88 0.90
3 0.76 0.80 0.83
4 0.71 0.76 0.80
5 0.67 0.73 0.77
6 0.65 0.71 0.76