High Tension Power Cable 3 Core
Cable Construction
- Stranded Compact Circular Aluminium / Copper as per Class 2 of IS 8130
- Extruded Semiconductor Compound
- XLPE (Cross linked Polyethylene)
- PVC fillers
- Extruded Semiconducting Compound followed by helically wrapped copper tape
- Extruded PVC Type ST-2 as per IS 5831. Also available with FR / FR-LSH properties
- Single layer of galvanized steel round wire / flat strip
- Extruded PVC Type ST-2 as per IS 5831. Also available with FR / FR-LSH properties
Standard
IS 7098 Part 2
Variants as per Voltage Grade
- 3.3kV (E) & (UE) Unscreened & Screened cable
- 3.8/6.6 kV Screened cable
- 6.35/11 kV Screened cable/6.6 kV (UE)
- 11/11 kV Screened cable/11 kV (UE)
- 12.7/22 kV Screened cable/22 kV (E)
- 19/33 kV Screened cable/33 kV (E)
- 33 kV (UE) Screened cable
- where, E – Earthed system & UE – Unearthed system
Cable Technical Data
Variants with Copper Conductor
Table 1: 1.9/3.3 KV (E) & 3.3/3.3 KV (UE) Three core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
2.2 |
2.2 |
33 |
1726 |
0.40 |
4 x 0.8 |
1.56 |
34 |
2105 |
2.0 |
1.56 |
36 |
2608 |
| 35 |
2.2 |
2.2 |
35 |
2099 |
0.40 |
4 x 0.8 |
1.56 |
36 |
2517 |
2.0 |
1.72 |
38 |
3079 |
| 50 |
2.2 |
2.2 |
38 |
2549 |
0.40 |
4 x 0.8 |
1.72 |
38 |
3013 |
2.0 |
1.72 |
41 |
3599 |
| 70 |
2.2 |
2.4 |
42 |
3351 |
0.50 |
4 x 0.8 |
1.72 |
42 |
3835 |
2.0 |
1.88 |
45 |
4511 |
| 95 |
2.2 |
2.6 |
46 |
4347 |
0.50 |
4 x 0.8 |
1.88 |
47 |
4878 |
2.5 |
2.04 |
50 |
5995 |
| 120 |
2.2 |
2.6 |
50 |
5205 |
0.50 |
4 x 0.8 |
2.04 |
50 |
5811 |
2.5 |
2.04 |
53 |
6961 |
| 150 |
2.2 |
2.8 |
53 |
6215 |
0.60 |
4 x 0.8 |
2.04 |
53 |
6806 |
2.5 |
2.20 |
57 |
8111 |
| 185 |
2.2 |
3.0 |
57 |
7465 |
0.60 |
4 x 0.8 |
2.20 |
57 |
8079 |
2.5 |
2.36 |
61 |
9499 |
| 240 |
2.2 |
3.2 |
62 |
9404 |
0.60 |
4 x 0.8 |
2.36 |
62 |
10080 |
3.15 |
2.52 |
67 |
12199 |
| 300 |
2.2 |
3.4 |
67 |
11438 |
0.70 |
4 x 0.8 |
2.52 |
67 |
12152 |
3.15 |
2.68 |
72 |
14456 |
| 400 |
2.2 |
3.6 |
74 |
14275 |
0.70 |
4 x 0.8 |
2.68 |
74 |
15064 |
3.15 |
2.84 |
78 |
17632 |
Table 2: 3.8/6.6 KV (E) Three core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
2.8 |
2.2 |
36 |
1898 |
0.40 |
4 x 0.8 |
1.56 |
36 |
2315 |
2.0 |
1.72 |
39 |
2903 |
| 35 |
2.8 |
2.2 |
38 |
2281 |
0.40 |
4 x 0.8 |
1.72 |
39 |
2745 |
2.0 |
1.72 |
41 |
3355 |
| 50 |
2.8 |
2.4 |
41 |
2782 |
0.40 |
4 x 0.8 |
1.72 |
41 |
3246 |
2.0 |
1.88 |
44 |
3920 |
| 70 |
2.8 |
2.4 |
44 |
3563 |
0.50 |
4 x 0.8 |
1.88 |
45 |
4121 |
2.0 |
1.88 |
47 |
4816 |
| 95 |
2.8 |
2.6 |
49 |
4581 |
0.50 |
4 x 0.8 |
2.04 |
50 |
5165 |
2.50 |
2.04 |
52 |
6055 |
| 120 |
2.8 |
2.8 |
53 |
5505 |
0.60 |
4 x 0.8 |
2.04 |
53 |
6075 |
2.50 |
2.20 |
56 |
7078 |
| 150 |
2.8 |
3.0 |
56 |
6537 |
0.60 |
4 x 0.8 |
2.20 |
56 |
7153 |
2.50 |
2.20 |
59 |
8159 |
| 185 |
2.8 |
3.0 |
59 |
7747 |
0.60 |
4 x 0.8 |
2.36 |
60 |
8446 |
2.50 |
2.36 |
62 |
9551 |
| 240 |
2.8 |
3.2 |
65 |
9711 |
0.70 |
4 x 0.8 |
2.36 |
65 |
10400 |
3.15 |
2.52 |
70 |
12621 |
| 300 |
3.0 |
3.4 |
70 |
11879 |
0.70 |
4 x 0.8 |
2.52 |
70 |
12626 |
3.15 |
2.68 |
75 |
15072 |
| 400 |
3.3 |
3.8 |
79 |
15024 |
0.70 |
4 x 0.8 |
2.84 |
78 |
15845 |
4.0 |
3.00 |
85 |
19645 |
Table 3: 6.35/11 KV (E) Three core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
3.6 |
2.4 |
40 |
2185 |
0.40 |
4 x 0.8 |
1.72 |
40 |
2630 |
2.00 |
1.72 |
42 |
3267 |
| 35 |
3.6 |
2.4 |
42 |
2583 |
0.50 |
4 x 0.8 |
1.72 |
42 |
3068 |
2.00 |
1.88 |
45 |
3744 |
| 50 |
3.6 |
2.4 |
44 |
3060 |
0.50 |
4 x 0.8 |
1.88 |
45 |
3596 |
2.00 |
1.88 |
47 |
4289 |
| 70 |
3.6 |
2.6 |
48 |
3911 |
0.50 |
4 x 0.8 |
2.04 |
49 |
4498 |
2.50 |
2.04 |
52 |
5632 |
| 95 |
3.6 |
2.8 |
53 |
4962 |
0.60 |
4 x 0.8 |
2.04 |
53 |
5555 |
2.50 |
2.20 |
57 |
6860 |
| 120 |
3.6 |
3.0 |
56 |
5913 |
0.60 |
4 x 0.8 |
2.20 |
56 |
6529 |
2.50 |
2.36 |
60 |
7910 |
| 150 |
3.6 |
3.0 |
60 |
6912 |
0.60 |
4 x 0.8 |
2.20 |
60 |
7562 |
2.50 |
2.36 |
63 |
9054 |
| 185 |
3.6 |
3.2 |
63 |
8205 |
0.70 |
4 x 0.8 |
2.36 |
63 |
8900 |
3.15 |
2.52 |
68 |
11058 |
| 240 |
3.6 |
3.4 |
68 |
10206 |
0.70 |
4 x 0.8 |
2.52 |
68 |
10937 |
3.15 |
2.68 |
73 |
13281 |
| 300 |
3.6 |
3.6 |
73 |
12297 |
0.70 |
4 x 0.8 |
2.68 |
73 |
13064 |
3.15 |
2.84 |
78 |
15594 |
| 400 |
3.6 |
3.8 |
80 |
15215 |
0.70 |
4 x 0.8 |
2.84 |
80 |
16053 |
4.00 |
3.00 |
86 |
19931 |
Table 4: 11/11 KV (UE) Three core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
5.5 |
2.6 |
48 |
2912 |
0.50 |
4 x 0.8 |
1.88 |
48 |
3460 |
2.50 |
2.04 |
52 |
4633 |
| 35 |
5.5 |
2.8 |
51 |
3395 |
0.50 |
4 x 0.8 |
2.04 |
51 |
3972 |
2.50 |
2.20 |
55 |
5181 |
| 50 |
5.5 |
2.8 |
53 |
3910 |
0.60 |
4 x 0.8 |
2.04 |
53 |
4501 |
2.50 |
2.20 |
57 |
5806 |
| 70 |
5.5 |
3.0 |
57 |
4830 |
0.60 |
4 x 0.8 |
2.20 |
57 |
5467 |
2.50 |
2.36 |
61 |
6864 |
| 95 |
5.5 |
3.2 |
62 |
5959 |
0.60 |
4 x 0.8 |
2.36 |
62 |
6636 |
3.15 |
2.52 |
67 |
8754 |
| 120 |
5.5 |
3.2 |
65 |
6905 |
0.70 |
4 x 0.8 |
2.36 |
65 |
7593 |
3.15 |
2.68 |
70 |
9932 |
| 150 |
5.5 |
3.4 |
69 |
8024 |
0.70 |
4 x 0.8 |
2.52 |
69 |
8754 |
3.15 |
2.68 |
74 |
11160 |
| 185 |
5.5 |
3.6 |
72 |
9378 |
0.70 |
4 x 0.8 |
2.68 |
72 |
10126 |
3.15 |
2.84 |
77 |
12616 |
| 240 |
5.5 |
3.8 |
77 |
11466 |
0.70 |
4 x 0.8 |
2.84 |
77 |
12247 |
4.00 |
3.00 |
84 |
15993 |
| 300 |
5.5 |
3.8 |
82 |
13556 |
0.70 |
4 x 0.8 |
3.00 |
82 |
14452 |
4.00 |
3.00 |
88 |
18365 |
| 400 |
5.5 |
4.0 |
89 |
16580 |
0.70 |
4 x 0.8 |
3.00 |
88 |
17478 |
4.00 |
3.00 |
95 |
21675 |
Table 5: 12.7/22 KV (E) Three core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
6 |
2.8 |
51 |
3163 |
0.50 |
4 x 0.8 |
2.04 |
51 |
3717 |
2.50 |
2.20 |
55 |
4949 |
| 35 |
6 |
2.8 |
53 |
3606 |
0.60 |
4 x 0.8 |
2.04 |
53 |
4198 |
2.50 |
2.20 |
57 |
5502 |
| 50 |
6 |
3.0 |
56 |
4185 |
0.60 |
4 x 0.8 |
2.20 |
56 |
4804 |
2.50 |
2.36 |
59 |
6145 |
| 70 |
6 |
3.0 |
59 |
5066 |
0.60 |
4 x 0.8 |
2.36 |
60 |
5765 |
2.50 |
2.36 |
63 |
7170 |
| 95 |
6 |
3.2 |
64 |
6212 |
0.70 |
4 x 0.8 |
2.36 |
64 |
6904 |
3.15 |
2.52 |
69 |
9124 |
| 120 |
6 |
3.4 |
68 |
7239 |
0.70 |
4 x 0.8 |
2.52 |
67 |
7950 |
3.15 |
2.68 |
72 |
10316 |
| 150 |
6 |
3.4 |
71 |
8304 |
0.70 |
4 x 0.8 |
2.68 |
71 |
9105 |
3.15 |
2.84 |
76 |
11617 |
| 185 |
6 |
3.6 |
74 |
9672 |
0.70 |
4 x 0.8 |
2.68 |
74 |
10458 |
3.15 |
3.00 |
80 |
13090 |
| 240 |
6 |
3.8 |
80 |
11781 |
0.70 |
4 x 0.8 |
2.84 |
79 |
12598 |
4.00 |
3.00 |
86 |
16399 |
| 300 |
6 |
4.0 |
84 |
13972 |
0.70 |
4 x 0.8 |
3.00 |
84 |
14821 |
4.00 |
3.00 |
90 |
18788 |
| 400 |
6 |
4.0 |
91 |
16937 |
0.70 |
4 x 0.8 |
3.00 |
90 |
17872 |
4.00 |
3.00 |
97 |
22221 |
Table 6: 19/33 KV (E) Three core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
8.8 |
3.2 |
65 |
4677 |
0.70 |
4 x 0.8 |
2.52 |
65 |
5442 |
3.15 |
2.52 |
70 |
7588 |
| 35 |
8.8 |
3.4 |
67 |
5242 |
0.70 |
4 x 0.8 |
2.52 |
67 |
5955 |
3.15 |
2.68 |
72 |
8260 |
| 50 |
8.8 |
3.4 |
69 |
5824 |
0.70 |
4 x 0.8 |
2.52 |
69 |
6575 |
3.15 |
2.68 |
74 |
8958 |
| 70 |
8.8 |
3.6 |
74 |
6870 |
0.70 |
4 x 0.8 |
2.68 |
73 |
7636 |
3.15 |
2.84 |
78 |
10166 |
| 95 |
8.8 |
3.8 |
78 |
8137 |
0.70 |
4 x 0.8 |
2.84 |
78 |
8938 |
4.00 |
3.00 |
85 |
12662 |
| 120 |
8.8 |
3.8 |
81 |
9178 |
0.70 |
4 x 0.8 |
3.00 |
81 |
10076 |
4.00 |
3.00 |
88 |
13989 |
| 150 |
8.8 |
4.0 |
85 |
10411 |
0.70 |
4 x 0.8 |
3.00 |
85 |
11257 |
4.00 |
3.00 |
91 |
15324 |
| 185 |
8.8 |
4.0 |
88 |
11786 |
0.70 |
4 x 0.8 |
3.00 |
88 |
12687 |
4.00 |
3.00 |
94 |
16884 |
| 240 |
8.8 |
4.0 |
93 |
13933 |
0.70 |
4 x 0.8 |
3.00 |
93 |
14880 |
4.00 |
3.00 |
99 |
19307 |
| 300 |
8.8 |
4.0 |
97 |
16144 |
0.70 |
4 x 0.8 |
3.00 |
97 |
17139 |
4.00 |
3.00 |
103 |
21797 |
| 400 |
8.8 |
4.0 |
104 |
19253 |
0.70 |
4 x 0.8 |
3.00 |
103 |
20334 |
4.00 |
3.00 |
110 |
25275 |
Table 7: Capacitance (Microfarads/km) Multi core cable Voltage Grade (kV)
| Size |
Capacitance (Microfarads/km) Multi core cable Voltage Grade (kV) |
| 1.9/3.3 & 3.3/3.3 |
3.8/6.6 |
6.6/6.6 & 6.35/11 |
11/11 |
12.7/22 |
19/33 |
33/33 |
| 35 |
0.30 |
0.25 |
0.20 |
– |
– |
– |
– |
| 50 |
0.33 |
0.27 |
0.22 |
– |
– |
– |
– |
| 70 |
0.37 |
0.30 |
0.25 |
0.18 |
– |
– |
– |
| 95 |
0.42 |
0.35 |
0.28 |
0.20 |
0.19 |
0.15 |
0.14 |
| 120 |
0.47 |
0.38 |
0.31 |
0.22 |
0.21 |
0.16 |
0.15 |
| 150 |
0.51 |
0.41 |
0.33 |
0.24 |
0.22 |
0.17 |
0.16 |
| 185 |
0.56 |
0.45 |
0.36 |
0.26 |
0.24 |
0.18 |
0.17 |
| 240 |
0.63 |
0.50 |
0.41 |
0.29 |
0.27 |
0.20 |
0.19 |
| 300 |
0.68 |
0.52 |
0.44 |
0.31 |
0.29 |
0.21 |
0.20 |
| 400 |
0.77 |
0.53 |
0.49 |
0.34 |
0.32 |
0.24 |
0.22 |
Table 7: 33/33 KV (UE) Three core Copper conductor XLPE insulated armoured & unarmoured cable
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
9 |
3.4 |
66 |
4884 |
0.70 |
4 x 0.8 |
2.68 |
66 |
5579 |
3.15 |
2.68 |
71 |
7844 |
| 35 |
9 |
3.4 |
68 |
5389 |
0.70 |
4 x 0.8 |
2.68 |
68 |
6121 |
3.15 |
2.68 |
73 |
8464 |
| 50 |
9 |
3.4 |
71 |
5976 |
0.70 |
4 x 0.8 |
2.68 |
71 |
6801 |
3.15 |
2.84 |
76 |
9228 |
| 70 |
9 |
3.6 |
75 |
7030 |
0.70 |
4 x 0.8 |
2.68 |
75 |
7814 |
3.15 |
2.84 |
80 |
10384 |
| 95 |
9 |
3.8 |
79 |
8307 |
0.70 |
4 x 0.8 |
2.84 |
79 |
9126 |
4.00 |
3.00 |
86 |
12927 |
| 120 |
9 |
4.0 |
83 |
9437 |
0.70 |
4 x 0.8 |
3.00 |
83 |
10271 |
4.00 |
3.00 |
89 |
14162 |
| 150 |
9 |
4.0 |
86 |
10595 |
0.70 |
4 x 0.8 |
3.00 |
86 |
11483 |
4.00 |
3.00 |
92 |
15504 |
| 185 |
9 |
4.0 |
89 |
11977 |
0.70 |
4 x 0.8 |
3.00 |
89 |
12895 |
4.00 |
3.00 |
95 |
17169 |
| 240 |
9 |
4.0 |
94 |
14133 |
0.70 |
4 x 0.8 |
3.00 |
94 |
15098 |
4.00 |
3.00 |
100 |
19602 |
| 300 |
9 |
4.0 |
98 |
16354 |
0.70 |
4 x 0.8 |
3.00 |
98 |
17367 |
4.00 |
3.00 |
104 |
22100 |
| 400 |
9 |
4.0 |
105 |
19476 |
0.70 |
4 x 0.8 |
3.00 |
105 |
20574 |
4.00 |
3.00 |
111 |
25592 |
Table 8: 1.9/3.3 KV (E) & 3.3/3.3 KV (UE) Three core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
2.2 |
2.2 |
33 |
1271 |
0.40 |
4 x 0.8 |
1.56 |
34 |
1650 |
2.0 |
1.56 |
36 |
2153 |
| 35 |
2.2 |
2.2 |
35 |
1466 |
0.40 |
4 x 0.8 |
1.56 |
36 |
1884 |
2.0 |
1.72 |
38 |
2446 |
| 50 |
2.2 |
2.2 |
38 |
1692 |
0.40 |
4 x 0.8 |
1.72 |
38 |
2157 |
2.0 |
1.72 |
41 |
2742 |
| 70 |
2.2 |
2.4 |
42 |
2116 |
0.50 |
4 x 0.8 |
1.72 |
42 |
2601 |
2.0 |
1.88 |
45 |
3277 |
| 95 |
2.2 |
2.6 |
46 |
2629 |
0.50 |
4 x 0.8 |
1.88 |
47 |
3160 |
2.5 |
2.04 |
50 |
4277 |
| 120 |
2.2 |
2.6 |
50 |
3043 |
0.50 |
4 x 0.8 |
2.04 |
50 |
3649 |
2.5 |
2.04 |
53 |
4799 |
| 150 |
2.2 |
2.8 |
53 |
3537 |
0.60 |
4 x 0.8 |
2.04 |
53 |
4129 |
2.5 |
2.20 |
57 |
5434 |
| 185 |
2.2 |
3.0 |
57 |
4127 |
0.60 |
4 x 0.8 |
2.20 |
57 |
4742 |
2.5 |
2.36 |
61 |
6161 |
| 240 |
2.2 |
3.2 |
62 |
5011 |
0.60 |
4 x 0.8 |
2.36 |
62 |
5688 |
3.15 |
2.52 |
67 |
7807 |
| 300 |
2.2 |
3.4 |
67 |
5912 |
0.70 |
4 x 0.8 |
2.52 |
67 |
6628 |
3.15 |
2.68 |
72 |
8932 |
| 400 |
2.2 |
3.6 |
74 |
7238 |
0.70 |
4 x 0.8 |
2.68 |
73 |
8028 |
3.15 |
2.84 |
78 |
10596 |
Table 9: 3.8/6.6 KV (E) Three core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
2.8 |
2.2 |
36 |
1443 |
0.40 |
4 x 0.8 |
1.56 |
36 |
1860 |
2.00 |
1.72 |
39 |
2448 |
| 35 |
2.8 |
2.2 |
38 |
1647 |
0.40 |
4 x 0.8 |
1.72 |
39 |
2111 |
2.00 |
1.72 |
41 |
2721 |
| 50 |
2.8 |
2.4 |
41 |
1924 |
0.40 |
4 x 0.8 |
1.72 |
41 |
2389 |
2.00 |
1.88 |
44 |
3063 |
| 70 |
2.8 |
2.4 |
44 |
2328 |
0.50 |
4 x 0.8 |
1.88 |
45 |
2886 |
2.00 |
1.88 |
47 |
3581 |
| 95 |
2.8 |
2.6 |
49 |
2861 |
0.50 |
4 x 0.8 |
2.04 |
49 |
3447 |
2.15 |
2.04 |
52 |
4336 |
| 120 |
2.8 |
2.8 |
53 |
3342 |
0.60 |
4 x 0.8 |
2.04 |
52 |
3913 |
2.15 |
2.20 |
56 |
4915 |
| 150 |
2.8 |
3.0 |
56 |
3858 |
0.60 |
4 x 0.8 |
2.20 |
56 |
4475 |
2.15 |
2.20 |
59 |
5481 |
| 185 |
2.8 |
3.0 |
59 |
4408 |
0.60 |
4 x 0.8 |
2.36 |
60 |
5107 |
2.15 |
2.36 |
62 |
6212 |
| 240 |
2.8 |
3.2 |
65 |
5317 |
0.70 |
4 x 0.8 |
2.36 |
65 |
6007 |
3.15 |
2.52 |
70 |
8228 |
| 300 |
3.0 |
3.4 |
70 |
6352 |
0.70 |
4 x 0.8 |
2.52 |
70 |
7100 |
3.15 |
2.68 |
75 |
9545 |
| 400 |
3.3 |
3.8 |
79 |
7985 |
0.70 |
4 x 0.8 |
2.84 |
78 |
8807 |
4.00 |
3.00 |
85 |
12607 |
Table 10: 6.35/11 KV (E) Three core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
3.6 |
2.4 |
40 |
1730 |
0.40 |
4 x 0.8 |
1.72 |
40 |
2175 |
2.0 |
1.72 |
42 |
2811 |
| 35 |
3.6 |
2.4 |
42 |
1949 |
0.50 |
4 x 0.8 |
1.72 |
42 |
2433 |
2.0 |
1.88 |
45 |
3109 |
| 50 |
3.6 |
2.4 |
44 |
2202 |
0.50 |
4 x 0.8 |
1.88 |
45 |
2738 |
2.0 |
1.88 |
47 |
3432 |
| 70 |
3.6 |
2.6 |
48 |
2676 |
0.50 |
4 x 0.8 |
2.04 |
49 |
3263 |
2.0 |
2.04 |
52 |
4397 |
| 95 |
3.6 |
2.8 |
53 |
3242 |
0.60 |
4 x 0.8 |
2.04 |
53 |
3835 |
2.0 |
2.20 |
57 |
5140 |
| 120 |
3.6 |
3.0 |
56 |
3750 |
0.60 |
4 x 0.8 |
2.20 |
56 |
4366 |
2.0 |
2.36 |
60 |
5747 |
| 150 |
3.6 |
3.0 |
60 |
4232 |
0.60 |
4 x 0.8 |
2.20 |
60 |
4882 |
2.0 |
2.36 |
63 |
6375 |
| 185 |
3.6 |
3.2 |
63 |
4865 |
0.70 |
4 x 0.8 |
2.36 |
63 |
5560 |
2.0 |
2.52 |
68 |
7718 |
| 240 |
3.6 |
3.4 |
68 |
5811 |
0.70 |
4 x 0.8 |
2.52 |
68 |
6543 |
3.15 |
2.68 |
73 |
8886 |
| 300 |
3.6 |
3.6 |
73 |
6768 |
0.70 |
4 x 0.8 |
2.68 |
73 |
7537 |
3.15 |
2.84 |
78 |
10066 |
| 400 |
3.6 |
3.8 |
80 |
8175 |
0.70 |
4 x 0.8 |
2.84 |
80 |
9015 |
4.00 |
3.00 |
86 |
12892 |
Table 11: 11/11 KV (UE) Three core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
5.5 |
2.6 |
48 |
2456 |
0.50 |
4 x 0.8 |
1.88 |
48 |
3004 |
2.0 |
2.04 |
52 |
4177 |
| 35 |
5.5 |
2.8 |
51 |
2760 |
0.50 |
4 x 0.8 |
2.04 |
51 |
3337 |
2.0 |
2.20 |
55 |
4546 |
| 50 |
5.5 |
2.8 |
53 |
3050 |
0.60 |
4 x 0.8 |
2.04 |
53 |
3642 |
2.0 |
2.20 |
57 |
4947 |
| 70 |
5.5 |
3.0 |
57 |
3593 |
0.60 |
4 x 0.8 |
2.20 |
57 |
4230 |
2.0 |
2.36 |
61 |
5627 |
| 95 |
5.5 |
3.2 |
62 |
4236 |
0.60 |
4 x 0.8 |
2.36 |
62 |
4914 |
2.0 |
2.52 |
67 |
7032 |
| 120 |
5.5 |
3.2 |
65 |
4740 |
0.70 |
4 x 0.8 |
2.36 |
65 |
5428 |
3.15 |
2.68 |
70 |
7767 |
| 150 |
5.5 |
3.4 |
69 |
5340 |
0.70 |
4 x 0.8 |
2.52 |
69 |
6071 |
3.15 |
2.68 |
74 |
8477 |
| 185 |
5.5 |
3.6 |
72 |
6035 |
0.70 |
4 x 0.8 |
2.68 |
72 |
6784 |
3.15 |
2.84 |
77 |
9274 |
| 240 |
5.5 |
3.8 |
77 |
7067 |
0.70 |
4 x 0.8 |
2.84 |
77 |
7849 |
4.00 |
3.00 |
84 |
11594 |
| 300 |
5.5 |
3.8 |
82 |
8022 |
0.70 |
4 x 0.8 |
3.00 |
82 |
8919 |
4.00 |
3.00 |
88 |
12832 |
| 400 |
5.5 |
4.0 |
89 |
9537 |
0.70 |
4 x 0.8 |
3.00 |
88 |
10436 |
4.00 |
3.00 |
95 |
14633 |
Table 12: 12.7/22 KV (E) Three core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
6 |
2.8 |
51 |
2707 |
0.50 |
4 x 0.8 |
2.04 |
51 |
3261 |
2.50 |
2.04 |
55 |
4493 |
| 35 |
6 |
2.8 |
53 |
2970 |
0.60 |
4 x 0.8 |
2.04 |
53 |
3563 |
2.50 |
2.04 |
57 |
4867 |
| 50 |
6 |
3.0 |
56 |
3325 |
0.60 |
4 x 0.8 |
2.20 |
56 |
3944 |
2.50 |
2.20 |
59 |
5285 |
| 70 |
6 |
3.0 |
59 |
3829 |
0.60 |
4 x 0.8 |
2.36 |
60 |
4528 |
2.50 |
2.36 |
63 |
5934 |
| 95 |
6 |
3.2 |
64 |
4489 |
0.70 |
4 x 0.8 |
2.36 |
64 |
5182 |
3.15 |
2.52 |
69 |
7402 |
| 120 |
6 |
3.4 |
68 |
5073 |
0.70 |
4 x 0.8 |
2.52 |
67 |
5785 |
3.15 |
2.68 |
72 |
8151 |
| 150 |
6 |
3.4 |
71 |
5620 |
0.70 |
4 x 0.8 |
2.68 |
71 |
6422 |
3.15 |
2.68 |
76 |
8933 |
| 185 |
6 |
3.6 |
74 |
6329 |
0.70 |
4 x 0.8 |
2.68 |
74 |
7115 |
3.15 |
2.84 |
80 |
9747 |
| 240 |
6 |
3.8 |
80 |
7381 |
0.70 |
4 x 0.8 |
2.84 |
79 |
8199 |
4.00 |
3.00 |
86 |
12000 |
| 300 |
6 |
4.0 |
84 |
8437 |
0.70 |
4 x 0.8 |
3.00 |
84 |
9287 |
4.00 |
3.00 |
90 |
13255 |
| 400 |
6 |
4.0 |
91 |
9893 |
0.70 |
4 x 0.8 |
3.00 |
90 |
10829 |
4.00 |
3.00 |
97 |
15179 |
Table 13: 19/33 KV (E) Three core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
8.0 |
3.2 |
65 |
4219 |
0.70 |
4 x 0.8 |
2.52 |
65 |
4984 |
3.15 |
2.52 |
70 |
7131 |
| 35 |
8.0 |
3.4 |
67 |
4604 |
0.70 |
4 x 0.8 |
2.52 |
67 |
5318 |
3.15 |
2.68 |
72 |
7622 |
| 50 |
8.0 |
3.4 |
69 |
4962 |
0.70 |
4 x 0.8 |
2.52 |
69 |
5713 |
3.15 |
2.68 |
74 |
8096 |
| 70 |
8.0 |
3.6 |
74 |
5630 |
0.70 |
4 x 0.8 |
2.68 |
73 |
6397 |
3.15 |
2.84 |
78 |
8927 |
| 95 |
8.0 |
3.8 |
78 |
6410 |
0.70 |
4 x 0.8 |
2.84 |
78 |
7212 |
4.00 |
3.00 |
85 |
10936 |
| 120 |
8.0 |
3.8 |
81 |
7009 |
0.70 |
4 x 0.8 |
3.00 |
81 |
7908 |
4.00 |
3.00 |
88 |
11821 |
| 150 |
8.0 |
4.0 |
85 |
7721 |
0.70 |
4 x 0.8 |
3.00 |
85 |
8569 |
4.00 |
3.00 |
91 |
12635 |
| 185 |
8.0 |
4.0 |
88 |
8438 |
0.70 |
4 x 0.8 |
3.00 |
88 |
9340 |
4.00 |
3.00 |
94 |
13537 |
| 240 |
8.0 |
4.0 |
93 |
9528 |
0.70 |
4 x 0.8 |
3.00 |
93 |
10476 |
4.00 |
3.00 |
99 |
14903 |
| 300 |
8.0 |
4.0 |
97 |
10601 |
0.70 |
4 x 0.8 |
3.00 |
97 |
11598 |
4.00 |
3.00 |
103 |
16255 |
| 400 |
8.0 |
4.0 |
104 |
12204 |
0.70 |
4 x 0.8 |
3.00 |
103 |
13286 |
4.00 |
3.00 |
110 |
18226 |
Table 14: 33/33 KV (UE) Three core Aluminium conductor XLPE insulated armoured & unarmoured cable
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Unarmoured Cable |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Thickness of PVC Outer Sheath (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
9 |
3.4 |
66 |
4427 |
0.70 |
4 x 0.8 |
2.52 |
66 |
5122 |
3.15 |
2.68 |
71 |
7387 |
| 35 |
9 |
3.4 |
68 |
4751 |
0.70 |
4 x 0.8 |
2.52 |
68 |
5483 |
3.15 |
2.68 |
73 |
7827 |
| 50 |
9 |
3.4 |
71 |
5114 |
0.70 |
4 x 0.8 |
2.68 |
71 |
5939 |
3.15 |
2.84 |
76 |
8366 |
| 70 |
9 |
3.6 |
75 |
5791 |
0.70 |
4 x 0.8 |
2.68 |
75 |
6575 |
3.15 |
2.84 |
80 |
9144 |
| 95 |
9 |
3.8 |
79 |
6580 |
0.70 |
4 x 0.8 |
2.84 |
79 |
7400 |
4.00 |
3.00 |
86 |
11201 |
| 120 |
9 |
4.0 |
83 |
7268 |
0.70 |
4 x 0.8 |
3.00 |
83 |
8103 |
4.00 |
3.00 |
89 |
11993 |
| 150 |
9 |
4.0 |
86 |
7905 |
0.70 |
4 x 0.8 |
3.00 |
86 |
8794 |
4.00 |
3.00 |
92 |
12815 |
| 185 |
9 |
4.0 |
89 |
8629 |
0.70 |
4 x 0.8 |
3.00 |
89 |
9548 |
4.00 |
3.00 |
95 |
13821 |
| 240 |
9 |
4.0 |
94 |
9728 |
0.70 |
4 x 0.8 |
3.00 |
94 |
10694 |
4.00 |
3.00 |
100 |
15197 |
| 300 |
9 |
4.0 |
98 |
10810 |
0.70 |
4 x 0.8 |
3.00 |
98 |
11825 |
4.00 |
3.00 |
104 |
16558 |
| 400 |
9 |
4.0 |
105 |
12426 |
0.70 |
4 x 0.8 |
3.00 |
105 |
13525 |
4.00 |
3.00 |
111 |
18543 |
Table 15: 1.9/3.3 KV (E) & 3.3/3.3 KV (UE) Single core Copper conductor XLPE insulated armoured unscreened cable as per IS 7098-2
| Nominal Size of Conductor (sq.mm) |
Nominal Insulation Thickness (mm) |
Minimum Inner Sheath Thickness (mm) |
Strip Armoured Cable |
Wire Armoured Cable |
| Nominal Dimension of Strip (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
Nominal Dimension of Wire (mm) |
Minimum PVC Outer Sheath Thickness (mm) |
Approx. Overall Diameter (mm) |
Approx. Cable Weight (kg/km) |
| 25 |
2.20 |
0.3 |
4 x 0.8 |
1.56 |
29 |
1736 |
1.60 |
1.56 |
30 |
1992 |
| 35 |
2.20 |
0.3 |
4 x 0.8 |
1.56 |
31 |
2103 |
2.00 |
1.56 |
34 |
2578 |
| 50 |
2.20 |
0.4 |
4 x 0.8 |
1.56 |
33 |
2569 |
2.00 |
1.56 |
36 |
3073 |
| 70 |
2.20 |
0.4 |
4 x 0.8 |
1.56 |
37 |
3327 |
2.00 |
1.72 |
40 |
3941 |
| 95 |
2.20 |
0.4 |
4 x 0.8 |
1.72 |
42 |
4321 |
2.00 |
1.88 |
44 |
5020 |
| 120 |
2.20 |
0.5 |
4 x 0.8 |
1.88 |
45 |
5238 |
2.00 |
1.88 |
48 |
5933 |
| 150 |
2.20 |
0.5 |
4 x 0.8 |
1.88 |
49 |
6195 |
2.50 |
2.04 |
52 |
7369 |
| 185 |
2.20 |
0.5 |
4 x 0.8 |
2.04 |
52 |
7430 |
2.50 |
2.20 |
56 |
8679 |
| 240 |
2.20 |
0.6 |
4 x 0.8 |
2.20 |
57 |
9349 |
2.50 |
2.36 |
61 |
10769 |
| 300 |
2.20 |
0.6 |
4 x 0.8 |
2.36 |
62 |
11367 |
3.15 |
2.52 |
67 |
13692 |
| 400 |
2.20 |
0.7 |
4 x 0.8 |
2.52 |
69 |
14200 |
3.15 |
2.68 |
74 |
16606 |
Electrical Parameters
Table 16: Current Carrying Capacity
| Nominal Size of Conductor (sq.mm) |
Aluminium |
Copper |
| In Ground at 30°C (Amps) |
In Duct at 30°C (Amps) |
In Air at 40°C (Amps) |
In Ground at 30°C (Amps) |
In Duct at 30°C (Amps) |
In Air at 40°C (Amps) |
| 35 |
112 |
96 |
123 |
144 |
124 |
159 |
| 50 |
131 |
113 |
146 |
169 |
146 |
188 |
| 70 |
160 |
138 |
182 |
206 |
178 |
234 |
| 95 |
191 |
165 |
221 |
246 |
212 |
284 |
| 120 |
216 |
187 |
254 |
278 |
240 |
326 |
| 150 |
241 |
208 |
286 |
310 |
268 |
368 |
| 185 |
273 |
236 |
330 |
350 |
302 |
422 |
| 240 |
315 |
277 |
385 |
401 |
353 |
492 |
| 300 |
354 |
312 |
440 |
449 |
395 |
559 |
| 400 |
403 |
355 |
512 |
506 |
445 |
642 |
Reactance
| Size |
Reactance (Ohms/km) Multi core cable Voltage Grade (kV) |
| 1.9/3.3 & 3.3/3.3 |
3.8/6.6 |
6.6/6.6 & 6.35/11 |
11/11 |
12.7/22 |
19/33 |
33/33 |
| 35 |
0.107 |
0.112 |
0.119 |
– |
– |
– |
– |
| 50 |
0.103 |
0.108 |
0.114 |
– |
– |
– |
– |
| 70 |
0.0955 |
0.100 |
0.106 |
0.118 |
– |
– |
– |
| 95 |
0.0914 |
0.0958 |
0.101 |
0.112 |
0.114 |
0.127 |
0.130 |
| 120 |
0.0877 |
0.0914 |
0.096 |
0.106 |
0.109 |
0.121 |
0.124 |
| 150 |
0.0858 |
0.0895 |
0.094 |
0.104 |
0.106 |
0.117 |
0.120 |
| 185 |
0.0836 |
0.0870 |
0.091 |
0.100 |
0.102 |
0.113 |
0.116 |
| 240 |
0.0811 |
0.0842 |
0.088 |
0.0964 |
0.0983 |
0.109 |
0.111 |
| 300 |
0.0789 |
0.0826 |
0.086 |
0.0933 |
0.0952 |
0.105 |
0.107 |
| 400 |
0.077 |
0.0817 |
0.083 |
0.0898 |
0.0917 |
0.101 |
0.103 |
