Amp (Cu Cables) Volt Drop (Cu Cables) Amp (Al Cables) Volt Drop (AL Cables)


TABLE D1


SINGLE-CORE PVC INSULATED CABLES . NON-ARMOURED , WITH OR WITHOUT SHEATH
(COPPER CONDUCTORS)
BS 6004

CURRENT-CARRYING CAPACITIES (AMPERES)

AMBIENT TEMPERATURE:30C
CONDUCTOR OPERATING
Conductor Cross-Section Area Reference Method 4 (enclosed in conduit in thermally insulating wall etc) Reference Method 3 (enclosed in conduit on a wall or in trucking etc) Reference Method 1 ('clipped direct') Reference Method 11 (on a perforated cable tray horizontal or vertical) Reference Method 12 (free air)
Horizontal flat spaced Vertical flat Spaced
  2 cables, single-
phase ac or dc
3 or 4 cables three phase ac 2 cables, single- phase ac or dc 3 or 4 cables three phase ac 2 cables, single phase ac or dc 3 or 4 cables three phase ac 2 cables, single phase ac or dc flat and touching 3 cables, three phase ac flat and touching or trafoil 2 cables, single phase ac or dc or 3 cables three phase ac 2 cables singles phase ac or dc or 3 cables three phase ac 3 cables trafoil three phase ac
mm sq A A A A A A A A A A A
1
1.5
2.5
4
6

10
16
25
35
50

70
95
120
150
185

240
300
400
500
630
800
1000

11
14.5
19.5
26
34

46
61
80
99
119

151
182
210
240
273

320
367
----
----
----
----
----

10.5
13.5
18
24
31

42
56
73
89
108

136
164
188
216
245

286
328
----
----
----
----
----

13.5
17.5
24
32
41

57
76
101
125
151

192
232
269
300
341

400
458
546
626
720
----
----

12
15.5
21
28
36

50
68
89
110
154

171
207
239
262
296

346
394
467
533
611
----
----

15.5
20
27
37
47

65
87
114
141
182

234
284
330
381
436

515
594
694
792
904
1030
1154

14
18
25
33
43

59
79
104
129
167

214
261
303
349
400

472
545
634
723
826
943
1058

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

----
----
126
156
191

246
300
349
404
463

549
635
732
835
953
1086
1216

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

----
----
112
141
172

223
273
318
369
424

504
584
679
778
892
1020
1149

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

----
----
146
181
219

281
241
396
456
521

615
709
852
982
1138
1265
1420

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

----
----
130
162
197

254
311
362
419
480

569
659
795
920
1070
1188
1337

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

----
----
110
137
167

216
264
308
356
409

485
561
656
749
855
971
1079