TABLE T2 - MULTI-CORE CABLES HAVING XLPE or LSHF INSULATION, NON-ARMOURED,
(COPPER CONDUCTOR) 300/500V or 600/1000V
  Ambient temperature: 30°C
CURRENT- CARRYING CAPACITY (AMP) Conductor operating temperature: 90°C
Size of Conductor
Reference Method 4
(enclosed in conduit in
and in insulating wall etc.)
Reference Method 4
(enclosed in conduit on a
wall or ceiling or in trunking etc.)
Reference Method 1
(clipped direct)
Reference Method 11
(on a perforated cable tray) or
Reference Method 13
(free air)
1 two-core cable,
1 phase ac or dc
1 three or four-core cable
3 phase ac
1 two-core cable,
1 phase ac or dc
1 three or four-core cable
3 phase ac
1 two-core cable,
1 phase ac or dc
1 three or four-core cable
3 phase ac
1 two-core cable,
1 phase ac or dc
1 three or four-core cable
3 phase ac
1
2
3
4
5
6
7
8
9
mm²
A
A
A
A
A
A
A
A
1.5
18.5
16.5
22
19.5
24
22
26
23
2.5
25
22
30
26
33
30
36
32
4
33
30
40
35
45
40
49
42
6
42
38
51
44
58
52
63
54
10
57
51
69
60
80
71
86
75
16
76
68
91
80
107
96
115
100
25
99
89
119
105
138
119
149
127
35
121
109
146
128
171
147
185
158
50
145
130
175
154
209
179
225
192
70
183
164
221
194
269
229
289
246
95
220
197
265
233
328
278
352
298
120
253
227
305
268
382
322
410
346
150
290
259
334
300
441
371
473
399
185
329
295
384
340
506
424
542
456
240
386
346
459
398
599
500
641
538
300
442
396
532
455
693
576
741
621
400
 
 
625
536
803
667
865
741
 
TABLE T2a
VOLTAGE DROP (PER AMP PER METER)
Size of Conductor
Two-core Cable, dc
Two-core Cable,
1 phase, ac
Three or Four-core Cable,
3 phase ac
1
2
3
4
mm²
mV/A/m
mV/A/m
mV/A/m
1.5
31
31
27
2.5
19
19
16
4
12
12
10
6
7.9
7.9
6.8
10
4.7
4.7
4.0
16
2.9
2.9
2.5
 
 
r
x
z
r
x
z
25
1.85
1.85
0.16
1.9
1.6
0.14
1.65
35
1.35
1.35
0.155
1.35
1.15
0.135
1.15
50
0.98
0.99
0.155
1.00
0.86
0.135
0.87
70
0.67
0.67
0.150
0.69
0.59
0.130
0.60
95
0.49
0.50
0.150
0.52
0.43
0.130
0.45
120
0.39
0.40
0.145
0.42
0.34
0.130
0.37
150
0.31
0.32
0.145
0.35
0.28
0.125
0.30
185
0.25
0.26
0.145
0.29
0.22
0.125
0.26
240
0.195
0.20
0.140
0.24
0.175
0.125
0.21
300
0.155
0.16
0.140
0.21
0.140
0.120
0.185
400
0.120
0.13
0.140
0.19
0.115
0.120
0.165
Note: r = conductor resistance at operating temperature,
z = impedance, x = reactance