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   Flexible Wires & Cables  

Table No. 1
Plain Copper Conductor, PVC Insulated UNsheathed 650/1100 V, SINGLE CORE CABLES
FOR PANEL BOARD WIRING As per is:694/1990 with isi Mark (UP TO 50 SQ. MM)

Area in
Sq. mm
Conductor
Construc-
tion in
General
Cond.
Dia.
in mm
Max. DC
Resistance
Ohm/Km
At 20°C
Insulation
Thickness
in mm
Nominal
Cables
Dia
(Approx.)
Current
Rating
in Amp.
Area in
Sq. mm
Conductor
Construc-
tion in
General
Conductor
Dia.
In mm
Max DC
Resistance
Ohm/Km
At 20°C
Insulation
Thickness
in mm
Nominal
Cable
Dia
(Approx.)
Cable
Dia
(Approx.)
0.50
 16/0.20
0.94
39.00
0.60
2.20
4
70
360/0.50
12.30
0.272
1.6
15.5
170
0.75
24/0.20
1.20
26.00
0.60
2.50
7
95
485/0.50
14.70
0.206
1.8
18.5
210
1.00
32/0.20
1.34
19.50
0.60
2.60
11
120
608/0.50
16.70
0.161
2.0
20.9
235
1.50
*30/0.25
1.64
13.30
0.60
2.90
14
150
750/0.50
18.30
0.129
2.0
22.5
295
2.50
**50/0.25
2.08
7.98
0.70
3.50
19
185
925/0.50
20.00
0.106
2.2
24.6
330
4.00
56/0.30
2.61
4.95
0.80
4.30
26
240
1221/0.50
23.00
0.0801
2.2
27.6
400
6.00
84/0.30
3.50
3.300
0.80
5.30
33
300
1527/0.50
27.20
0.0641
2.4
32.2
475
10.00
140/0.30
4.60
1.910
1.00
6.70
45
400
2036/0.50
30.50
0.0486
2.6
35.7
550
16.00
126/0.40
6.00
1.210
1.00
8.20
60
500
2540/0.5
32.00
0.0384
2.8
38.0
635
25.00
196/0.40
7.60
0.780
1.20
10.00
75
630
3200/0.5
39.00
0.0287
3.0
45.5
725
35.00
276/0.40
8.70
0.554
1.20
11.3
95
800
4100/0.5
44.00
0.0224
3.4
51.0
840
50.00
396/0.40
10.60
0.386
1.40
13.5
125
1000
5100/0.5
46.00
0.0178
3.4
53.0
950

NOTE : Cable above 50 Sq. mm are not covered by IS:694 But are as per IS-2465

* This size can be supplied in 48/0.2 construction.
* This size can be supplied in 80/0.2 construction

The above Data is Indicative and may be Revised Without prior Information

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Table No. 2
Plain Copper Conductor, PVC Insulated and sheathed 650/1100 V,
Multicore Flexible Cables As per is:694/1990 with isi Mark

Area in
Sq. mm
Area in
Sq. mm
Construc-
tion
No./Dia
Max. DC
resist-
ance
Ohm/Km
at 20°C
Insulation
thickness
nominal
mm
Core
dia.
mm
Sheath thickness
in mm nominal
Overall Diameter
in mm approx.
Current
Rating
Amp.
2 core
3 core
4 core
2 core
3core
4 core
0.50
16/0.2
0.94
39.00
0.60
2.20
0.90
0.90
0.90
6.20
6.60
7.20
4
0.75
24/0.2
1.20
26.00
0.60
2.50
0.90
0.90
0.90
6.80
7.20
7.90
7
1.00
32/0.2
1.34
19.50
0.60
2.60
0.90
0.90
0.90
7.00
7.50
8.10
11
1.50
*30/0.25
1.64
13.30
0.60
2.90
0.90
0.90
1.00
7.60
8.10
9.00
14
2.50
**50/0.25
2.08
7.98
0.70
3.50
1.00
1.00
1.00
9.00
9.60
10.50
19
4.00
56/0.3
2.61
4.95
0.80
4.30
1.00
1.00
1.00
10.60
11.30
12.40
26

* This size can be supplied in 48/0.2 construction.
* This size can be supplied in 80/0.2 construction


Table No. 3
Plain Copper Conductor, PVC Insulated and
sheathed 650/1100 V, Multicore Flexible Cables

Area in
Sq. mm
Area in
Sq. mm
Construc-
tion
No./Dia
Max. DC
resist-
ance
Ohm/Km
at 20°C
Insulation
thickness
nominal
mm
Core
dia.
mm
Sheath thickness
in mm nominal
Overall Diameter
in mm approx.
Current
Rating
Amp.
2 core
3 core
4 core
2 core
3core
4 core
6
84/0.3
3.50
3.30
0.80
5.10
1.15
1.15
1.40
12.60
13.40
15.20
33
10
140/0.3
4.60
1.91
1.00
6.60
1.40
1.40
1.40
16.00
17.00
18.80
45
16
126/0.4
6.00
1.21
1.00
8.00
1.40
1.40
1.40
18.80
20.10
22.20
60
25
196/0.4
7.60
0.780
1.20
10.00
2.00
2.00
2.00
24.00
25.60
28.20
75
35
276/0.4
8.70
0.554
1.20
11.10
2.00
2.00
2.00
26.30
28.00
31.00
95
50
396/0.4
10.60
0.386
1.40
13.40
2.00
2.00
2.00
30.90
33.00
36.50
125
70
360/0.5
12.30
0.272
1.40
15.10
2.00
2.20
2.40
34.20
37.00
41.00
170
95
485/0.5
14.70
0.206
1.60
17.90
2.20
2.40
2.40
40.20
43.50
47.80
170


The above Data is Indicative and may be Revised Without prior Information

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Table No. 4
Multicore Round Flexible Cable (6 Cores to 30 Cores)
Generlly as per Is : 694/1990
Area Sq. mm
0.50
0.75
1.00
1.50
2.50
4.00
General Constructionno./dia
16/0.2
24/0.2
32/0.2
*30/0.25
**50/0.25
56/0.3
Conductor Dia in MM
0.94
1.20
1.34
1.64
2.08
2.61
Avg. Insu. thickness in MM
0.60
0.60
0.60
0.60
0.70
0.80
Core Dia in MM
2.20
2.50
2.60
2.90
3.50
4.30

No. of Cores :

6
 Avg. Sheath thickness MM
0.90
1.00
1.00
1.00
1.10
1.20
App. Overall Dia MM
8.50
9.50
9.80
10.70
12.70
15.30
7
 Avg. Sheath thickness MM
0.90
1.00
1.00
1.00
1.10
1.20
App. Overall Dia MM
8.50
9.50
9.80
10.70
12.70
15.30
8
 Avg. Sheath thickness MM
1.00
1.00
1.00
1.10
1.30
1.30
App. Overall Dia MM
9.30
10.40
10.70
11.90
14.10
16.90
10
 Avg. Sheath thickness MM
1.00
1.10
1.10
1.10
1.30
1.40
App. Overall Dia MM
10.80
12.20
12.60
13.80
16.60
20.00
12
 Avg. Sheath thickness MM
1.00
1.10
1.10
1.10
1.30
1.40
App. Overall Dia MM
11.20
12.60
13.00
14.30
17.20
20.70
14
 Avg. Sheath thickness MM
1.10
1.10
1.10
1.20
1.30
1.40
App. Overall Dia MM
12.00
13.30
13.70
15.20
18.10
21.80
16
 Avg. Sheath thickness MM
1.10
1.20
1.20
1.20
1.40
1.50
App. Overall Dia MM
12.60
14.20
14.60
16.00
19.30
23.20
19
 Avg. Sheath thickness MM
1.10
1.20
1.30
1.30
1.40
1.50
App. Overall Dia MM
13.20
14.90
15.60
17.10
20.30
24.50
24
 Avg. Sheath thickness MM
1.20
1.30
1.30
1.40
1.40
1.50
App. Overall Dia MM
15.60
17.60
18.20
20.20
23.80
28.80
30
 Avg. Sheath thickness MM
1.30
1.30
1.30
1.40
1.40
1.50
App. Overall Dia MM
16.80
18.70
19.30
21.50
25.70
30.60
  Max.ConductorResistanceinOHm/Km at20°C.
39.00
26.00
19.50
13.30
7.98
4.95
  Recommended Current Rating in AMP
4
7
11
14
19
26

* This size can be supplied in 48/0.2 construction.
* This size can be supplied in 80/0.2 construction
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Extra High Voltage (EHV)
1.1 kv Twin core, aluminium conductor, pvc insulated, inner sheathed,
armoured Pvc sheathed cables conforming to is: 1554 (part i) amended upto date

Nominal
cross
Sectional
area

Nominal
Thickness
of
insulation

 
Minimum
thikness
of Inner
Sheth

 

ARMOUR

Minimum
thikness
of outer
sheath

Approx.
overall
diameter

Approx.
weight
of
cable

Max. DC
conductor
resistance
at 20° C G

current Ratings

Galv.
round
steel wire
Nominal
diameter

Galv.
flat
steel strip
Nominal
thikness

Direct in
Ground

in
Ducts

In
AIr


mm
mm
mm
mm
mm
mm
mm
kg/km
kg/km
Amps.
Amps.
Amps.
*1.5
0.8
0.3
1.4
—
1.24
12.2
320
18.1000
18
16
16
*2.5
0.9
0.3
1.4
—
1.24
13.4
380
12.1000
25
21
21
*4.0
1.0
0.3
1.4
—
1.24
14.7
450
7.4100
32
27
27
*6.0
1.0
0.3
1.4
—
1.24
15.8
500
4.6100
40
34
35
*10
1.0
0.3
1.4
—
1.24
17.9
600
3.0800
55
45
47
16
1.0
0.3
—
0.8
1.40
17.0
500
1.9100
70
58
59
25
1.2
0.3
—
0.8
1.40
20.1
650
1.2000
90
76
78
35
1.2
0.3
—
0.8
1.40
21.7
750
0.8680
110
92
99
50
1.4
0.3
—
0.8
1.40
24.5
950
0.6410
135
115
125
70
1.4
0.3
—
0.8
1.56
27.1
1150
0.4430
160
140
150
95
1.6
0.4
—
0.8
1.56
30.8
1460
0.3200
190
170
185
120
1.6
0.4
—
0.8
1.56
32.9
1670
0.2530
210
190
210
150
1.8
0.4
—
0.8
1.72
36.3
2010
0.2060
240
210
240
185
2.0
0.5
—
0.8
1.88
40.3
2450
0.1640
275
275
275
240
2.2
0.5
—
0.8
2.04
44.8
2950
0.1250
320
275
325
300
2.4
0.6
—
0.8
2.20
49.6
3560
0.1000
355
305
365
400
2.6
0.7
—
0.8
2.36
55.9
4500
0.0778
385
345
420
500
3.0
0.7
—
0.8
2.68
62.5
5600
0.0605
410
370
450

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

1.1 kv Three core, aluminium conductor, pvc insulated, inner sheathed,
armoured Pvc sheathed cables conforming to is: 1554 (part i) amended upto date
*1.5
0.8
0.30
1.4
—
1.24
12.7
375
18.1000
16
14
13
*2.5
0.9
0.30
1.4
—
1.24
14.0
425
12.1000
21
18
18
*4.0
1.0
0.30
1.4
—
1.24
15.6
500
7.4100
28
23
23
*6.0
1.0
0.30
1.4
—
1.24
17.3
575
4.6100
35
30
30
*10
1.0
0.30
1.4
—
1.40
19.0
700
3.0800
46
39
40
16
1.0
0.30
—
0.8
1.40
19.3
650
1.9100
60
50
51
25
1.2
0.30
—
0.8
1.40
22.0
800
1.2000
76
63
70
35
1.2
0.30
—
0.8
1.40
24.0
950
0.8680
92
77
86
50
1.4
0.30
—
0.8
1.56
27.6
1200
0.6410
110
95
105
70
1.4
0.40
—
0.8
1.56
30.8
1500
0.4430
135
115
130
95
1.6
0.40
—
0.8
1.56
34.6
1900
0.3200
165
140
155
120
1.6
0.50
—
0.8
1.72
37.5
2240
0.2530
185
155
180
150
1.8
0.50
—
0.8
1.88
41.9
2700
0.2060
210
175
205
185
2.0
0.60
—
0.8
1.88
41.9
3200
0.1640
235
200
240
240
2.2
0.60
—
0.8
2.20
41.9
3990
0.1250
275
235
280
300
2.4
0.70
—
0.8
2.36
56.7
4850
0.1000
305
260
315
400
2.6
0.70
—
0.8
2.52
56.7
6100
0.0778
335
290
375
500
3.0
0.7
—
0.8
2.84
71.5
7600
0.0605
350
310
410

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

1.1 kv Four core, aluminium conductor, pvc insulated, inner sheathed,
armoured Pvc sheathed cables conforming to is: 1554 (part i) amended upto date
*1.5
0.8
0.3
1.4
—
1.24
15.0
400
18.1000
16
14
13
*2.5
0.9
0.3
1.4
—
1.24
16.5
480
12.1000
21
18
18
*4.0
1.0
0.3
1.4
—
1.24
18.0
550
7.4100
28
23
23
*6.0
1.0
0.3
1.4
—
1.24
19.5
650
4.6100
35
30
30
*10
1.0
0.3
1.4
—
1.40
20.0
660
3.0800
46
39
40
16
1.0
0.3
—
0.8
1.40
23.0
750
1.9100
60
50
51
25
1.2
0.3
—
0.8
1.40
23.7
950
1.2000
76
63
70
35
1.2
0.3
—
0.8
1.40
25.9
1165
0.8680
92
77
86
50
1.4

0.3
—
0.8
1.56
30.4
1540
0.6410
110
95
105
70
1.4
0.4
—
0.8
1.56
33.5
1800
0.4430
135
115
130
95
1.6
0.4
—
0.8
1.72
38.1
2400
0.3200
165
140
155
120
1.6
0.5
—
0.8
1.88
41.9
2800
0.2530
185
155
180
150
1.8
0.5
—
0.8
1.88
45.9
3350
0.2060
210
175
205
185
2.0
0.6
—
0.8
2.04
50.9
4000
0.1640
235
200
240
240
2.2
0.6
—
0.8
2.36
57.1
5050
0.1250
275
235
280
300
2.4
0.7
—
0.8
2.54
63.2
6200
0.1000
305
260
315
400
2.6
0.7
—
0.8
2.84
71.4
7850
0.0778
335
290
375
500
3.0
0.7
—
0.8
3.00
79.2
9600
0.0605
350
310
410

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

1.1 kv 31/2 core, aluminium conductor, pvc insulated, inner sheathed,
armoured Pvc sheathed cables conforming to is: 1554 (part i) amended upto date
Nominal cross
sectional area		 Nominal thickness
of insulation		 Minimum
thickness
of
inner
sheath		 Armour
Galv.
flat steel
strip
nominal
thickness		 Minimum
thinckness
of
outer
sheath		 Approx.
overall
diamete		 Approx.
weight
of
cable		 Max. DC conductor
resistance at 20° C		 Current Ratings
Main Neutral Main Neutral Main Neutral Driect in Ground In Ducts In Air
Sq. mm Sq. mm mm mm mm mm mm mm Kg/Km Ohm/km Ohm/km Amps. Amps. Amps.
25 16 1.2 1.0 0.3 0.8 1.40 23.1 900 1.200 1.910 76 63 70
35 16 1.2 1.0 0.3 0.8 1.40 24.9 1030 0.868 1.910 92 77 86
50 25 1.4 1.2 0.3 0.8 1.56 28.8 1350 0.641 1.200 100 95 105
70 35 1.4 1.2 0.3 0.8 1.56 32.2 1725 0.443 0.868 135 115 130
95 50 1.6 1.4 0.4 0.8 1.56 36.3 2130 0.320 0.641 165 140 155
120 70 1.6 1.4 0.5 0.8 1.72 40.1 2580 0.253

0.443

 185 155 180
150 70 1.8 1.4 0.5 0.8 1.88 43.8 3050 0.206 0.443 210 175 205
185 95 2.0 1.6 0.5 0.8 2.04 48.4 3650 0.164 0.320 235 200 240
240 120 2.2 1.6 0.6 0.8 2.20 54.3 4580 0.125 0.253 275 235 280
300 150 2.4 1.8 0.6 0.8 2.36 59.7 5500 0.100 0.206 305 260 315
400 185 2.6 2.0 0.7 0.8 2.68 67.6 7000 0.0778 0.164 335 290 375
500 240 3.0 2.2 0.7 0.8 2.84 75.2 8600 0..0605 0.125 350 310 410

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

1.1 kv , Annealed High Conductivity solid copper conductor, 1.5 Sq. mm, pvc insulated, inner sheathed,
armoured/unarmoured pvc sheathed control cables conforming to is : 1554 (Part I) amended upto date
Number of cores Nominal thickness
of insulation		 Minimum
thickness
of
inner
sheath		 Armour Nominal Sheath thickness Unarm - oured Minimum Sheath thickness Arm - oured Approx. overall dlameter Approx. weight of cable Max. DC conduc - tor resistance at 20° C Current Ratings
Galv.
round steel
wire
nom.
dla. 		Galv.
flat steel
strip
nom.
thick.		 Unarm - oured Arm - oured Unarm - oured Arm - oured Driect in Ground In Ducts In Air
  mm mm mm mm mm mm mm mm Kg/Km Kg/Km Ohm/Km Amps. Amps. Amps.
2 0.8 0.3 1.4 -- 1.80 1.24 10.20 13.38 130 350 12.1 23 20 20
3 0.8 0.3 1.4 -- 1.80 1.24 10.20 13.38 160 400 12.1 21 17 17
4 0.8 0.3 1.4 -- 1.80 1.24 11.50 14.68 190 450 12.1 21 17 17
5 0.8 0.3 1.4 -- 1.80 1.24 12.45 15.55 225 500 12.1 21 17 17
6 0.8 0.3 1.4 -- 1.80 1.24 13.20 16.48 250 550 12.1 15 13 13
7 0.8 0.3 1.4 -- 1.80 1.24 13.20 16.48 265 565 12.1 14 13 13
10 0.8 0.3 1.4 -- 1.80 1.40 16.20 18.70 350 750 12.1 13 11 11
12 0.8 0.3 -- 0.8 1.80 1.24 17.80 19.20 400 650 12.1 12 10 10
14 0.8 0.3 -- 0.8 1.80 1.40 17.90 19.97 450 760 12.1 11 10 10
16 0.8 0.3 -- 0.8 1.80 1.40 19.25 20.87 500 800 12.1 11 9 9
19 0.8 0.3 -- 0.8 2.00 1.40 20.00 21.80 600 850 12.1 10 9 9
24 0.8 0.3 -- 0.8 2.00 1.40 23.00 24.90 725 1050 12.1 9 8 8
30 0.8 0.3 -- 0.8 2.00 1.40 24.50 26.17 860 1200 12.1 9 7 7
37 0.8 0.3 -- 0.8 2.00 1.40 26.00 28.00 1050 1400 12.1 8 7 7
61 0.8 0.3 -- 0.8 2.00 1.56 33.00 34.72 1650 2100 12.1 7 6 6

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1.1 kv , Annealed High Conductivity solid copper conductor, 2.5 Sq. mm, pvc insulated, inner sheathed,
armoured/unarmoured pvc sheathed control cables conforming to is : 1554 (Part I) amended upto date
2 0.9 0.3 1.4 -- 1.8 1.24 10.68 14.58 160 425 7.41 32 27 27
3 0.9 0.3 1.4 -- 1.8 1.24 11.40 15.17 225 475 7.41 27 24 24
4 0.9 0.3 1.4 -- 1.8 1.24 11.50 16.13 250 530 7.41 27 24 24
5 0.9 0.3 1.4 -- 1.8 1.24 14.10 17.49 300 600 7.41 27 24 24
6 0.9 0.3 1.4 -- 1.8 1.24 15.40 18.28 340 675 7.41 20 18 18
7 0.9 0.3 1.4 -- 1.8 1.24 15.40 18.28 375 700 7.41 20 17 17
10 0.9 0.3 -- 0.8 1.8 1.40 19.00 21.10 500 780 7.41 18 15 15
12 0.9 0.3 -- 0.8 2.0 1.40 20.00 21.69 600 850 7.41 17 14 14
14 0.9 0.3 -- 0.8 2.0 1.40 20.90 22.62 650 950 7.41 16 13 13
16 0.9 0.3 -- 0.8 2.0 1.40 22.10 23.69 750 1050 7.41 15 13 13
19 0.9 0.3 -- 0.8 2.0 1.40 23.00 24.80 850 1150 7.41 14 12 12
24 0.9 0.3 -- 0.8 2.0 1.40 26.60 28.82 1050 1400 7.41 13 11 11
30 0.9 0.3 -- 0.8 2.0 1.56 28.40 30.34 1250 1700 7.41 12 10 10
37 0.9 0.4 -- 0.8 2.2 1.56 31.00 32.72 1550 2000 7.41 11 10 10
61 0.9 0.4 -- 0.8 2.2 1.56 38.40 40.44 2450 3100 7.41 9 8 8

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conductor resistance of plain copper conductors used for heavy duty cables as per is:8130-1984
Size in sq. mm Conductor Construction Max. cond. resistance in ohm /km at 20°C in Size in sq. mm Conductor Construction Max. cond. resistance in ohm /km at 20°C in
Single core & Multi core Single core & Multi core
1.5* 1/1.38 12.100 120 37/2.03 0.153
1.5* 1/1.78 7.410 150 37/2.24 1.124
4.0* 1/2.24 4.610 185 37/2.50 0.0991
6.0* 1/2.76 3.080 240 61/2.24 0.0754
10 7/1.35 1.830 300 61/2.50 0.0601
16 7/1.70 1.150 400 61/2.85 0.0470
25 7/2.14 0.727 500 61/3.20 0.0366
35 7/2.50 0.524 630 91/3.00 0.0283
50 7/3.00 0.387 -- -- --
70 19/2.14 0.268 800 127/2.83 0.0221
95 19/2.50 0.193 1000 127/3.16 0.0176

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current rating of “polycab” copper armoured/unarmoured cables 650/1100 v Grade in Air
Area Sq.mm Twin Core Amp. 3, 31/2 , 4 Core Amp. Area Sq.mm Twin Core Amp. 3, 31/2 , 4 Core Amp.
1.5 20 17 70 195 165
2.5 27 24 95 230 200
4 35 30 120 265 235
6 45 39 150 305 265
10 60 52 185 350 305
16 78 66 240 410 355
25 105 90 300 465 400
35 125 110 400 530 455
50 155 135 -- -- --
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