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 size

With 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