111 Circular or compacted circular stranded conductor (class 2) * Type 2 cable sizes (stranded aluminium conductor only)
Single core 600/1000 V cables with solid aluminium conductor (Type 1 only)
1 |
2 |
3 |
4 |
5 |
6 |
Nominal cross- |
Thickness of |
Thickness of |
Nominal |
Thickness of |
Approximate |
sectional area |
insulation |
extruded |
aluminium armour |
oversheath |
overall |
of conductor |
|
bedding |
wire diameter |
|
diameter |
Circular solid conductor (class 1) |
|||||
mm2 |
mm |
mm |
mm |
mm |
mm |
50 |
1.0 |
0.8 |
0.9 |
1.5 |
16.3 |
70 |
1.1 |
0.8 |
1.25 |
1.5 |
18.7 |
95 |
1.1 |
0.8 |
1.25 |
1.6 |
20.6 |
120 |
1.2 |
0.8 |
1.25 |
1.6 |
22.1 |
150 |
1.4 |
1.0 |
1.6 |
1.7 |
25.2 |
185 |
1.6 |
1.0 |
1.6 |
1.8 |
27.4 |
240 |
1.7 |
1.0 |
1.6 |
1.8 |
29.9 |
300 |
1.8 |
1.0 |
1.6 |
1.9 |
32.4 |
Circular sectoral conductors |
|||||
mm2 |
mm |
mm |
mm |
mm |
mm |
380 (4 x 95) |
2.0 |
1.2 |
2.0 |
2.0 |
37.1 |
480 (4 x 120) |
2.2 |
1.2 |
2.0 |
2.1 |
40.4 |
600 |
2.4 |
1.2 |
2.0 |
2.2 |
43.8 |
(4 x 150) |
|
|
|
|
|
740 (4 x 1851 |
2.6 |
1.4 |
2.5 |
2.3 |
49.1 |
960 (4 x 240) |
2.8 |
1.4 |
2.5 |
2.5 |
54.4 |
1200 (4 x 300) |
3.0 |
1.6 |
2.5 |
2.6 |
59.7 |
TABLE 6A
Two core 600/1000 V cables with stranded copper conductors
when insulated with XLPE or HEPR (Type 1 and Type 2)
1 |
2 |
3 |
4 |
5 |
6 |
Nominal crosssectional area of conductor |
Thickness of insulation |
Thickness of extruded bedding |
Nominal steel armour wire diameter |
Thickness of oversheath |
Approximate overall diameter |
mm’ |
mm |
mm |
mm |
mm |
mm |
1.5"’ |
0.6 |
0.8 |
0.9 |
1.3 |
12.1 |
2.511'* |
0.7 |
0.8 |
0.9 |
1.4 |
13.6 |
4(1 >* |
0.7 |
0.8 |
0.9 |
1.4 |
14.7 |
6nl* |
0.7 |
0.8 |
0.9 |
1.4 |
15.9 |
10f11* |
0.7 |
0.8 |
0.9 |
1.5 |
18.0 |
16m* |
0.7 |
0.8 |
1.25 |
1.5 |
20.4 |
2523 |
0.9 |
0.8 |
1.25 |
1.6 |
24.1 |
25(21 |
0.9 |
0.8 |
1.25 |
1.6 |
20.4 |
35<n |
0.9 |
1.0 |
1.6 |
1.7 |
27.7 |
35|2> |
0.9 |
1.0 |
1.6 |
1.7 |
23.3 |
50(3’ |
1.0 |
1.0 |
1.6 |
1.8 |
25.8 |
70 |
1.1 |
1.0 |
1.6 |
1.9 |
29.0 |
95 |
1.1 |
1.2 |
2.0 |
2.0 |
33.1 |
120 |
1.2 |
1.2 |
2.0 |
2.1 |
36.1 |
150 |
1.4 |
1.2 |
2.0 |
2.2 |
39.3 |
185 |
1.6 |
1.4 |
2.5 |
2.4 |
44.7 |
240 |
1.7 |
1.4 |
2.5 |
2.5 |
49.0 |
300 |
1.8 |
1.6 |
2.5 |
2.6 |
53.5 |
400 |
2.0 |
1.6 |
2.5 |
2.8 |
59.0 |
TABLE 6B
Two core 600/1000 V cables with stranded copper conductors
when insulated with Tl Z (Type 2)
1 |
2 |
3 |
4 |
5 |
6 |
Nominal cross- |
Thickness of |
Thickness of |
Nominal steel |
Thickness of |
Approximate |
sectional area |
insulation |
extruded |
armour wire |
oversheath |
overall |
of conductor'” |
|
bedding |
diameter |
|
diameter |
mm2 |
mm |
mm |
mm |
mm |
mm |
2.5 |
0.9 |
1.4 |
0.9 |
1.8 |
16.5 |
4 |
0.9 |
1.4 |
0.9 |
1.8 |
18.0 |
6 |
1.0 |
1.4 |
0.9 |
1.8 |
19.5 |
10 |
1.2 |
1.4 |
1.25 |
1.8 |
23.0 |
16 |
1.2 |
1.4 |
1.25 |
1.8 |
25.5 |
*” Circular or compacted circular stranded conductors (class 2)
Note: With dual-layer sheath on Type 2 cables, the minimum thickness of any layer shall not be less than 0.8mm nominal
TABLE 7
Two core 600/1000 V cables with solid aluminium conductors
when insulated with XLPE or HEPR (Type 1 and Type 2)
1 |
2 |
3 |
4 |
5 |
6 |
Nominal cross- |
Thickness of |
Thickness of |
Nominal |
Thickness of |
Approximate |
sectional area of conductor |
insulation |
extruded bedding |
aluminium armour wire diameter |
oversheath |
overall diameter |
mm2 |
mm |
mm |
mm |
mm |
mm |
16'11 |
0.7 |
0.8 |
1.25 |
1.5 |
19.1 |
25і” |
0.9 |
0.8 |
1.25 |
1.6 |
22.4 |
2512’ |
0.9 |
0.8 |
1.25 |
1.6 |
18.7 |
35'”* |
0.9 |
1.0 |
1.6 |
1.7 |
25.7 |
35(2) |
0.9 |
1.0 |
1.6 |
1.7 |
21.4 |
50і31 |
1.0 |
1.0 |
1.6 |
1.8 |
23.5 |
70 * |
1.1 |
1.0 |
1.6 |
1.9 |
26.3 |
95 |
1.1 |
1.2 |
2.0 |
2.0 |
30.0 |
111 Solid circular conductor (class 1)
121 Solid sector shaped conductor (class 1)
131 Cables having conductors of nominal cross-sectional area 50mm2 and above have shaped solid conductors (class 1)
*
Note:
Type 2 cable sizeWith a dual layer sheath on Type 2 cables, the minimum thickness of any layer shall not be less than 0.8mm nominal.TABLE 8A
Three core 600/1000 V cables with stranded copper conductors
when insulated with XLPE or HEPR (Type 1 and Type 2)
1 |
2 |
3 |
4 |
5 |
6 |
Nominal cross- |
Thickness of |
Thickness of |
Nominal steel |
Thickness of |
Approximate |
sectional area |
insulation |
extruded |
armour wire |
oversheath |
overall |
of conductor |
|
bedding |
diameter |
|
diameter |
mm2 |
mm |
mm |
mm |
mm |
mm |
1.5"’ |
0.6 |
0.8 |
0.9 |
1.3 |
12.6 |
2.511’* |
0.7 |
0.8 |
0.9 |
1.4 |
14.1 |
4<n ♦ |
0.7 |
0.8 |
0.9 |
1.4 |
15.3 |
6<1> * |
0.7 |
0.8 |
0.9 |
1.4 |
16.6 |
10'1' * |
0.7 |
0.8 |
1.25 |
1.5 |
19.5 |
16'1’ * |
0.7 |
0.8 |
1.25 |
1.6 |
21.6 |
25'” |
0.9 |
1.0 |
1.6 |
1.7 |
26.7 |
25IZ1 |
0.9 |
1.0 |
1.6 |
1.7 |
23.6 |
35,n |
0.9 |
1.0 |
1.6 |
1.8 |
29.4 |
35,2) |
0.9 |
1.0 |
1.6 |
1.8 |
25.7 |
50'3‘ |
1.0 |
1.0 |
1.6 |
1.8 |
28.5 |
70 |
1.1 |
1.0 |
1.6 |
1.9 |
32.2 |
95 |
1.1 |
1.2 |
2.0 |
2.1 |
37.0 |
120 |
1.2 |
1.2 |
2.0 |
2.2 |
40.4 |
150 |
1.4 |
1.4 |
2.5 |
2.3 |
45.5 |
185 |
1.6 |
1.4 |
2.5 |
2.4 |
49.8 |
240 |
1.7 |
1.4 |
2.5 |
2.6 |
55.1 |
300 |
1.8 |
1.6 |
2.5 |
2.7 |
60.2 |
400 |
2.0 |
1.6 |
2.5 |
2.9 |
66.6 |