4 Core Copper PVC Unarmoured Power Cables

Type
No. of cores & cross sectional area
Min no.
of
Wires
Thickness
of PVC
Insulation
(Nom.)
Min.
Thickness
of PVC
inner Sheath
Min.
Thickness
of PVC Outer
Sheath
Overall
Diameter
(Approx.)

Approx.
Net Wt.
of Cable

Max. D.C.
Resistance
at 20
Max. A.C.
Resistance
at 70
Approx.
Reactance
at 50 Hz
Approx.
Capacitance

Current Ratings
Direct in
Ground


In Duct



In Air
(sq. mm)
  
(mm)
(mm)
(mm)
(kg/km)
ohms/km
ohms/km
ohms/km
mFd/km
Amps
Amps
Amps
YY
3C x 1.5
1
0.80
0.30
1.80
11.70
256
12.10
14.50
0.126
0.140
21
17
17
YY
4C x 2.5
1
0.90
0.30
1.80
13.20
335
7.41
8.87
0.119
0.150
27
24
24
YY
4C x 4
1
1.00
0.30
1.80
15.00
446
4.61
5.52
0.116
0.410
36
30
30
YY
4C x 6
1
1.00
0.30
1.80
16.00
576
3.08
3.69
0.110
0.470
45
38
39
YY
4C x 10
1
1.00
0.30
1.80
19.00
773
1.83
2.19
0.100
0.560
60
50
57
YY
4C x 16
6
1.00
0.30
2.00
21.50
935
1.15
1.38
0.097
0.760
77
64
66
YY
4C x 25
6
1.20
0.30
2.00
23.00
1365
0.73
0.87
0.097
0.860
99
81
90
YY
4C x 35
6
1.20
0.30
2.00
25.00
1764
0.524
0.62
0.097
0.980
120
99
110
YY
4C x 50
6
1.40
0.30
2.20
29.50
2354
0.387
0.46
0.094
1.020
145
125
135
YY
4C x 70
12
1.40
0.30
2.20
34.00
3187
0.268
0.32
0.090
1.180
175
150
165
YY
4C x 95
15
1.60
0.40
2.40
37.50
4308
0.193
0.23
0.090
1.200
210
175
200
YY
4C x 120
15
1.60
0.40
2.20
41.50
5288
0.153
0.18
0.087
1.310
240
195
230
YY
4C x 150
15
1.80
0.40
2.60
45.50
6472
0.124
0.14
0.087
1.310
270
225
265
YY
4C x 185
30
2.00
0.50
2.80
50.00
8056
0.099
0.12
0.087
1.310
300
255
305
YY
4C x 240
30
2.20
0.50
3.00
57.00
10415
0.075
0.09
0.087
1.340
345
295
355
YY
4C x 300
30
2.40
0.60
3.40
63.20
13070
0.060
0.07
0.086
1.410
385
335
400
YY
4C x 400
53
2.60
0.70
3.60
70.00
16477
0.0470
0.05
0.086
1.450
425
360
455

PVC Aluminium Armoured Core  1  2  3  3.5  4   PVC Aluminium Unarmoured Core  1  2  3  3.5  4  
PVC Copper Armoured Core  1  2  3  3.5  4  PVC Copper Unarmoured Core  1  2  3  3.5  4  
XLPE

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