Code of Practice for the Electricity (Wiring) Regulations - 2009 Edition
Code of Practice for the Electricity (Wiring) Regulations - 2009 Edition
Code of Practice for the Electricity (Wiring) Regulations - 2009 Edition
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TABLE A6(7)<br />
Single-core XLPE insulated cables<br />
(non-magnetic armour)<br />
(COPPER CONDUCTORS)<br />
BS 5467 Ambient temperature: 30°C<br />
CURRENT CARRYING CAPACITY (Amperes): BS 6724 Conductor operating temperature: 90°C<br />
Reference Method 11<br />
(on a per<strong>for</strong>ated<br />
cable tray) Reference Method 12 (free air)<br />
2 cables single phase a.c. 2 cables d.c. 3 or 4 cables, three-phase a.c.<br />
3 cables<br />
trefoil<br />
12<br />
Vertical flat<br />
spaced<br />
11<br />
Horizontal<br />
flat spaced<br />
10<br />
Vertical<br />
spaced<br />
9<br />
Horizontal<br />
spaced<br />
8<br />
Vertical flat<br />
spaced<br />
7<br />
Horizontal<br />
flat spaced<br />
6<br />
3 or 4 cables<br />
three-phase<br />
a.c. flat &<br />
touching<br />
5<br />
2 cables,<br />
single-phase<br />
a.c. flat &<br />
touching<br />
4<br />
Reference Method 1<br />
(clipped direct)<br />
2 cables, 3 or 4 cables,<br />
single-phase three-phase<br />
a.c. or d.c. flat a.c. flat and<br />
and touching touching<br />
2 3<br />
Conductor<br />
crosssectional<br />
area<br />
1<br />
A<br />
222<br />
285<br />
346<br />
402<br />
463<br />
529<br />
625<br />
720<br />
815<br />
918<br />
1027<br />
1119<br />
1214<br />
A<br />
266<br />
331<br />
393<br />
449<br />
510<br />
574<br />
666<br />
755<br />
797<br />
871<br />
940<br />
978<br />
1041<br />
A<br />
288<br />
358<br />
425<br />
485<br />
549<br />
618<br />
715<br />
810<br />
848<br />
923<br />
992<br />
1042<br />
1110<br />
A<br />
270<br />
349<br />
426<br />
497<br />
575<br />
660<br />
782<br />
906<br />
1094<br />
1266<br />
1474<br />
1744<br />
2026<br />
A<br />
284<br />
356<br />
446<br />
519<br />
600<br />
688<br />
815<br />
943<br />
1137<br />
1314<br />
1528<br />
1809<br />
2100<br />
A<br />
266<br />
337<br />
412<br />
477<br />
539<br />
614<br />
714<br />
805<br />
889<br />
989<br />
1092<br />
1155<br />
1238<br />
A<br />
282<br />
357<br />
436<br />
504<br />
566<br />
643<br />
749<br />
842<br />
929<br />
1032<br />
1139<br />
1204<br />
1289<br />
A<br />
232<br />
293<br />
352<br />
405<br />
462<br />
524<br />
612<br />
700<br />
767<br />
851<br />
935<br />
987<br />
1055<br />
A<br />
253<br />
322<br />
389<br />
449<br />
516<br />
587<br />
689<br />
792<br />
899<br />
1016<br />
1146<br />
1246<br />
1345<br />
A<br />
220<br />
277<br />
333<br />
A<br />
237<br />
303<br />
367<br />
425<br />
488<br />
557<br />
656<br />
755<br />
853<br />
962<br />
1082<br />
1170<br />
1261<br />
mm 2<br />
50<br />
70<br />
95<br />
120<br />
150<br />
185<br />
240<br />
300<br />
400<br />
500<br />
630<br />
800<br />
1000<br />
270<br />
383<br />
437<br />
496<br />
579<br />
662<br />
717<br />
791<br />
861<br />
904<br />
961<br />
NOTE: Refer Notes 1, 2 and 3 <strong>of</strong> table A6(5).
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