1

2

3

4

5

6

7

8

Nominal

Nominal

Thickness of

Thickness of

Thickness of

Nominal

Thickness of

Approximate

cross-

cross-

insulation.

insulation.

extruded

steel armour

oversheath

overall

sectional area of phase conductor

sectional area of neutral conductor

phase conductor

neutral conductor

bedding

wire diameter


diameter

mm2

mm2

mm

mm

mm

mm

mm

mm

25'”

16<"

0.9

0.7

1.0

1.6

1.7

28.9

25121

16і

0.9

0.7

1.0

1.6

1.7

26.1

35'”

16і

0.9

0.7

1.0

1.6

1.8

31.9

35l2>

16і

0.9

0.7

1.0

1.6

1.8

27.9

50°’

141

1.0

0.9

1.0

1.6

1.9

31.2

70

35

1.1

0.9

1.2

2.0

2.0

36.6

95

50

1.1

1.0

1.2

2.0

2.1

41.0

120

70

1.2

1.1

1.2

2.0

2.2

45.3

150

70

1.4

1.1

1.4

2.5

2.4

50.0

185

95

1.6

1.1

1.4

2.5

2.5

55.3

240

120

1.7

1.2

1.6

2.5

2.6

61.1

300

150

1.8

1.4

1.6

2.5

2.8

66.7

300

185

1.8

1.6

1.6

2.5

2.8

68.6

400

185

2.0

1.6

1.6

2.5

3.0

73.8



111 Circular or compacted stranded conductors (class 2)

121 Shaped stranded conductors (class 2)

131 Phase conductors of nominal cross-sectional area 50mm2 and above have shaped stranded conductors (class 2)

!4’ Neutral conductors of nominal cross-sectional area 25mm2 and above have shaped, circular or compacted circular stranded conductors (class 2}



Five-core 600/1000 V cables with stranded copper conductors (Type 1)

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’11


bedding

diameter


diameter

mm2

mm

mm

mm

mm

mm

1.5

0.6

0.8

0.9

1.4

14.3

2.5

0.7

0.8

0.9

1.4

16.1

4

0.7

0.8

0.9

1.5

17.8

6

0.7

0.8

1.25

1.5

20.0

10

0.7

0.8

1.25

1.6

22.9

16

0.7

1.0

1.6

1.7

26.6

25

0.9

1.0

1.6

1.8

31.5

35

0.9

1.0

1.6

1.9

34.8

50

1.0

1.2

2.0

2.0

40.4

70

1.1

1.2

2.0

2.2

46.3

111 Circular or compacted circular stranded conductors (class 2)


TABLE 14
600/1000 V armoured auxiliary cables with stranded copper conductors (Type 1 only)

. 1

2

3

4

5

6

7

Number of cores’”

Nominal cross­sectional area of conductor’21

Thickness of insulation

Thickness of extruded bedding

Nominal steel armour wire diameter

Thickness of oversheath

Approximate overall diameter


mm25

mm

mm

mm

mm

mm

7

1.5

0.6

0.8

0.9

1.4

15.2

12

1.5

0.6

0.8

1.25

1.5

19.4

19

1.5

0.6

0.8

1.26

1.6

22.2

27

1.5

0.6

1.0

1.6

1.7

26.7

37

1.5

0.6

1.0

1.6

1.7

29.0

48

1.5

0.6

1.0

1.6

1.8

32.7

7

2.5

0.7

0.8

0.9

1.4

17.1

12

2.5

0.7

0.8

1.25

1.6

22.4

19

2.5

0.7

1.0

1.6

1.7

26.6

27

2.5

0.7

1.0

1.6

1.8

30.7

37

2.5

0.7

1.0

1.6

1.8

33.8

48

2.5

0.7

1.2

2.0

2.0

39.3

7

4

0.7

0.8

1.25

1.5

19.7

12

4

0.7

1.0

1.6

1.6

25.7

19

4

0.7

1.0

1.6

1.7

29.3

27

4

0.7

1.0

1.6

1.9

34.4

37

4

0.7

1.2

2.0

2.0

39.2

48

4

0.7

1.2

2.0

2.1

44.1



(

(2)

” The number of cores given here are preferred. Other numbers are permitted subject to agreement between purchase and manufacturer and, where such other numbers are manufactured, the dimensional details shall be as for the next highest preferred numbers.



Single-core 1900/3300V cables with circular stranded aluminium or copper conductors
(Type 1 and Type 2)

1

2

3

4

5

6

Nominal cross­sectional area of conductor111

Thickness of insulation

Thickness of extruded bedding

Nominal aluminium armour wire diameter

Thickness of oversheath

Approximate overall diameter

mm2

mm

mm

mm

mm

mm

50

2.0

0.8

1.25

1.6

20.6

70

2.0

0.8

1.25

1.6

22.4

95

2.0

0.8

1.25

1.6

24.3

120

2.0

1.0

1.6

1.7

27.2

150

2.0

1.0

1.6

1.7

28.8

185

2.0

1.0

1.6

1.8

30.8

240

2.0

1.0

1.6

1.8

33.5

300*

2.0

1.0

1.6t

1.9

36.1

400*

2.0

1.2

2.0

2.0

40.5

500*

2.2

1.2

2.0

2.1

44.2

630*

2.4

1.2

2.0

2.2

48.8

800

2.6

1.4

2.5

2.4

55.4

1000

2.8

1.4

2.5

2.5

60.6



Circular or compacted circular stranded conductor (class 2)

* Type 2 cable sizes

t The 300mm2 Type 2 cable has 2.0mm armour wire diameterThree-core 1900/3300V cables with stranded copper conductors (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

mm2

mm

mm

mm

mm

mm

16<”

2.0

1.0

1.6

1.8

29.3

25<1)

2.0

1.0

1.6

1.8

32.2

35(2>

2.0

1.0

1.6

1.9

31.1

35(1>

2.0

1.0

1.6

1.9

34.8

50(3'

2.0

1.2

2.0

2.0

34.7

70

2.0

1.2

2.0

2.1

38.0

95

2.0

1.2

2.0

2.2

41.4

12026

2.0

1.4

2.5

2.3

45.7

150*

2.0

1.4

2.5

2.4

48.5

185*

2.0

1.4

2.5

2.5

51.9

240*

2.0

1.6

2.5

2.6

56.9

300*

2.0

1.6

2.5

2.7

61.2

400

2.0

1.6

2.5

2.9

66.6