Group Rating Factors for More Than One Multicore Armoured Or Unarmoured Cables Laid On Trays, Clipped to The Surface, run In Trench Etc.:
| No. of Load conductors |
4 |
6
|
8 |
10 |
12
|
16
|
20
|
24 |
28
|
32
|
36
|
40 |
| Correction Factors |
0.8 |
0.69 |
0.62
|
0.59 |
0.55 |
0.51 |
0.48 |
0.43 |
0.41 |
0.39 |
0.38 |
0.36 |