Lead Sheathed Cables/Current Ratings/Group Rating Factors (0.6/1 KV CABLES) / (1.9/3.3 KV to 19/33 KV CABLES) Laid in Ground


GROUP RATING FACTORS(0.6/1 KV CABLES) LAID IN GROUND

No. of Circuits Multicore Cable in Horizontal Formation
Spacing of Circuits(M)
  Touching  0.15 0.30 0.45 0.60
 2 0.81 0.87 0.91 0.93 0.95
3 0.70 0.78 0.84 0.88 0.90
4 0.63 0.74 0.81 0.86 0.89
5 0.59 0.70 0.78 0.84 0.87
6 0.55 0.68 0.77 0.83 0.87
7 0.52 0.66 0.75 0.82 0.86
8 0.50 0.64 0.75 0.81 0.86
9 0.48 0.63 0.74 0.81 0.85
10 0.47 0.62 0.73 0.80 0.85
11 0.45 0.61 0.73 0.80 0.85
12 0.44 0.60 0.72 0.80 0.84

GROUP RATING FACTORS (1.9/3.3 KV to 19/33 KV CABLES) LAID IN GROUND

No. of Circuits Multicore Cable in Horizontal Formation
Spacing Between Cables(M)
  Touching  0.15 0.30 0.45 0.60
 2 0.80 0.85 0.89 0.90 0.92
3 0.69 0.75 0.80 0.84 0.86
4 0.63 0.70 0.77 0.80 0.84
5 0.57 0.66 0.73 0.78 0.81
6 0.55 0.63 0.71 0.76 0.80