Table 1 |
Electrical Charateristics at 2°0 c |
Nominal Conductor dia. |
0.4mm |
0.5mm |
0.65mm |
0.8mm |
0.9mm |
Max conductor Resistance (ohm/km) |
150 |
96 |
57 |
36.8 |
37 |
| |
|
|
|
|
|
|
Table 2 |
Average Mutual capacitance at 800 - 1000Hz. |
| (i) High Capacitance type |
52+-3 nf/km |
|
|
|
|
| (ii) Low Capacitance type |
44+-4 nf/km |
|
|
|
|
| |
|
Cap. unbalance pf/500m |
|
|
|
| (i) Pair to Pair |
250 |
|
|
|
|
| (ii) Side to Side |
800 |
|
|
|
|
| |
|
insulation resistance |
|
|
| at 200 VDC. 2 minutes |
Minimum 5000 m ohm/km |
|
|
| |
|
|
|
|
|
|
Table 3 |
Dielectric Strenght |
|
|
| (i) Conductor to Conductor |
1 KVDC. 1 Minute |
|
|
| (ii) Conductor to screen |
1 KVDC. 1 Minute |
|
|
| Pair/Group
No. |
'A' Wire |
'B' Wire |
Binding colour (For Group) |
| 1 |
White |
Blue |
Blue |
| 2 |
White |
Orange |
Orange |
| 3 |
White |
Green |
Green |
| 4 |
White |
Brown |
Brown |
| 5 |
White |
Grey |
Grey |
| 6 |
Red |
Blue |
Red |
| 7 |
Red |
Orange |
White |
| 8 |
Red |
Green |
Black |
| 9 |
Red |
Brown |
Yellow |
| 10 |
Red |
Grey |
Violet |
| |
Nominal |
|
Steel Messenger |
Min. Sheath |
Max Overall |
Approxiate |
Approxiate |
Diameter of Conductor |
No of Pairs |
No. and Diameter of Strands |
Min. Breaking load of Strands |
Thickness Overcable |
diameter of Sheathed cable |
Height of Cable(mm) |
Weight of Cable (kgs/km) |
| H |
(mm) |
|
(mm) |
(KN) |
Core (mm) |
Core (mm) |
|
|
|
0.4 |
10 |
7/0.9 |
6.87 |
1.4 |
11.5 |
22.0 |
146.0 |
| I |
20 |
7/0.9 |
6.87 |
1.4 |
13.5 |
24.0 |
191.0 |
|
30 |
7/0.9 |
6.87 |
1.4 |
15.0 |
25.5 |
232.5 |
| G |
50 |
7/0.9 |
6.87 |
1.4 |
17.5 |
28.0 |
310.5 |
|
100 |
7/1.2 |
12.26 |
1.4 |
22.5 |
34.5 |
531.5 |
| H |
200 |
7/1.6 |
16.20 |
1.6 |
29.5 |
44.0 |
959.0 |
| |
300 |
7/1.6 |
16.20 |
1.6 |
33.0 |
47.5 |
1295.0 |
| |
400 |
7/1.6 |
16.20 |
1.8 |
37.5 |
52.0 |
1645.0 |
| |
| C |
0.5 |
10 |
7/0.9 |
6.87 |
1.4 |
12.5 |
23.0 |
169.0 |
|
20 |
7/0.9 |
6.87 |
1.4 |
16.0 |
25.5 |
232.5 |
| A |
30 |
7/0.9 |
6.87 |
1.4 |
17.0 |
27.5 |
292.0 |
|
50 |
7/0.9 |
12.26 |
1.4 |
20.0 |
35.0 |
442.0 |
| P |
100 |
7/1.2 |
12.26 |
1.4 |
25.5 |
37.5 |
710.0 |
|
200 |
7/1.6 |
16.20 |
1.6 |
34.0 |
48.5 |
1305.0 |
| A |
300 |
7/1.6 |
16.20 |
1.8 |
38.5 |
53.0 |
1825.0 |
| |
400 |
7/1.6 |
20.50 |
1.4 |
43.0 |
58.0 |
2352.0 |
| |
| C |
0.65 |
10 |
7/1.9 |
6.87 |
1.4 |
14.0 |
24.5 |
199.0 |
|
20 |
7/1.9 |
6.87 |
1.4 |
17.0 |
27.5 |
287.0 |
| I |
30 |
7/1.9 |
6.87 |
1.4 |
19.5 |
30.0 |
370.0 |
|
50 |
7/1.9 |
12.26 |
1.4 |
23.0 |
35.0 |
567.0 |
| T |
100 |
7/1.2 |
12.26 |
1.6 |
30.5 |
42.5 |
951.5 |
| |
200 |
7/1.6 |
16.20 |
1.8 |
38.0 |
52.5 |
1783.0 |
|
Nominal |
|
Steel Messenger |
Min. Sheath |
Max Overall |
Approxiate |
Approxiate |
Diameter of Conductor |
No of Pairs |
No. and Diameter of Strands |
Min. Breaking load of Strands |
Thickness Overcable |
diameter of Sheathed cable |
Height of Cable(mm) |
Weight of Cable (kgs/km) |
|
(mm) |
|
(mm) |
(KN) |
Core (mm) |
Core (mm) |
|
|
A |
0.8 |
10 |
7/0.9 |
6.87 |
1.4 |
17.5 |
28.0 |
276.0 |
|
20 |
7/1.2 |
12.26 |
1.4 |
21.0 |
33.0 |
486.0 |
N |
30 |
7/1.2 |
12.26 |
1.4 |
24.5 |
36.5 |
610.0 |
|
50 |
7/1.2 |
12.26 |
1.6 |
30.5 |
42.5 |
905.0 |
C |
100 |
7/1.6 |
16.20 |
1.8 |
38.0 |
50.0 |
1671.0 |
|
E |
0.9 |
10 |
7/0.9 |
6.87 |
1.4 |
17.5 |
28.0 |
313.0 |
|
20 |
7/1.2 |
12.26 |
1.4 |
22.0 |
34.0 |
635.0 |
|
30 |
7/1.2 |
12.26 |
1.6 |
25.5 |
37.5 |
725.0 |
|
50 |
7/1.2 |
12.26 |
1.6 |
30.5 |
42.5 |
1070.0 |
|
100 |
7/1.6 |
16.20 |
1.8 |
40.5 |
55.0 |
1995.0 |
|
L |
0.4 |
10 |
7/0.9 |
6.87 |
1.4 |
13.5 |
24.0 |
165.0 |
|
20 |
7/0.9 |
6.87 |
1.4 |
16.0 |
26.5 |
222.0 |
O |
30 |
7/0.9 |
6.87 |
1.4 |
18.0 |
29.5 |
274.0 |
|
50 |
7/1.2 |
12.26 |
1.4 |
21.5 |
33.5 |
411.0 |
W |
100 |
7/1.2 |
12.26 |
1.6 |
28.5 |
40.5 |
654.0 |
|
200 |
7/1.6 |
16.20 |
1.6 |
37.0 |
51.0 |
1158.0 |
|
300 |
7/1.6 |
16.20 |
1.8 |
41.5 |
56.0 |
1598.0 |
|
400 |
7/1.8 |
20.50 |
1.8 |
47.0 |
62.0 |
2044.0 |
|
C |
0.5 |
10 |
7/0.9 |
6.87 |
1.4 |
15.0 |
25.5 |
198.0 |
|
20 |
7/0.9 |
6.87 |
1.4 |
18.5 |
29.0 |
260.0 |
A |
30 |
7/1.2 |
12.26 |
1.4 |
21.0 |
35.0 |
395.0 |
|
50 |
7/1.2 |
12.26 |
1.4 |
25.5 |
37.5 |
540.0 |
P |
100 |
7/1.6 |
16.20 |
1.6 |
33.5 |
48.0 |
966.0 |
|
200 |
7/1.6 |
16.20 |
1.8 |
42.5 |
57.0 |
1645.0 |
A |
300 |
7/1.8 |
20.50 |
2.0 |
50.5 |
65.5 |
2361.0 |
|
400 |
7/2.0 |
25.30 |
2.0 |
57.0 |
73.0 |
3033.0 |
|
C |
0.65 |
10 |
7/0.9 |
6.87 |
1.4 |
17.0 |
27.5 |
235.0 |
|
20 |
7/1.2 |
12.26 |
1.4 |
20.5 |
32.5 |
386.0 |
I |
30 |
7/1.2 |
12.26 |
1.4 |
24.0 |
36.0 |
491.0 |
|
50 |
7/1.2 |
12.26 |
1.6 |
29.5 |
41.5 |
707.0 |
T |
100 |
7/1.6 |
16.20 |
1.8 |
39.5 |
64.0 |
1278.0 |
|
200 |
7/1.8 |
20.50 |
2.0 |
49.5 |
64.5 |
2282.0 |
|
A |
0.80 |
10 |
7/0.9 |
6.87 |
1.4 |
19.5 |
30.0 |
312.0 |
|
20 |
7/1.2 |
12.26 |
1.4 |
24.5 |
36.5 |
628.0 |
N |
30 |
7/1.2 |
12.26 |
0.6 |
29.0 |
40.0 |
711.0 |
|
50 |
7/1.6 |
16.20 |
1.6 |
35.5 |
50.0 |
1107.0 |
C |
100 |
7/1.8 |
20.50 |
1.8 |
44.5 |
59.5 |
1952.0 |
|
E |
0.9 |
10 |
7/1.2 |
12.26 |
1.4 |
20.5 |
32.5 |
406.0 |
|
20 |
7/1.2 |
12.26 |
1.6 |
26.5 |
38.5 |
645.0 |
|
30 |
7/1.2 |
12.26 |
1.6 |
30.5 |
42.5 |
861.0 |
|
50 |
7/1.6 |
16.20 |
1.8 |
38.0 |
52.5 |
1368.0 |