Contents
ANNEXURE No. 2
Nominal cross sectional area of conductor mm2                      APPROXIMATE OVERALL DIAMETER OF CALBE (mm)
    3.3KV   3.8/6.6KV    6.5/11KV   11/11KV   12.7/22KV   19/33KV
1Core Un ar 3Core Ar 1Core Un ar 3Core Ar 1Core Un ar 3Core Ar 1Core Un Ar 3Core Ar 1Core Un ar 3Core Ar 1Core Un ar 3Core Ar
25

35

50

70

95

120

150

185

240

300

400

500

630

800

1000

15.0

16.0

17.0

18.5

21.0

22.5

23.5

25.5

28.0

30.0

33.0

37.0

42.5

47.5

52.5

31.0

33.5

36.5

40.0

45.0

48.0

51.5

55.5

62.5

66.45

73.5

 

 

 

18.5

20.0

21.0

22.5.

25.0

26.0

27.5

29.0

32.5

35.0

38.5

43.0

49.0

53.5

58.5

40.0

42.5

46.0

50.0

54.5

58.0

61.5

65.0

72.5

78.5

86.5

 

 

 

20.5

21.5

23.0

24.5

26.5

28.0

29.0

31.5

34.5

36.5

39.5

43.0

49.0

54.0

58.5

44.0

47.0

50.0

53.5

59.0

62.0

65.0

77.0

81.5

87.5

 

 

 

 

24.5

25.5

27.0

28.5

30.5

32.5

34.0

36.0

38.5

40.5

44.0

47.5

53.5

58.0

62.5

54.0

56.5

60.0

63.5

68.5

72.5

76.0

80.0

86.0

91.0

98.0

 

 

 

 

 

26.5

28.0

29.5

32.5

33.5

35.0

37.5

39.5

41.5

45.0

49.0

54.5

59.0

64.0

59.0

62.0

66.0

72.0

75.5

78.5

82.85

88.5

93.0

100.0

34.5

36.0

38.5

39.5

41.0

43.5

46.0

48.5

51.5

55.0

61.0

65.5

70.0

77.0

81.0

86.0

89.0

92.0

97.0

102.5

107.0

113.0