|
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
|