Type

Name

Cross-sectional area mm²

TJ

Copper stranded wire

16~400

Nominal cross-section mm²

Construction No./Diameter mm

Appro. overall diameter mm

D.C. resistance of conductor at 20°C  Ω/km 

Appro. Weight kg/km

16

7/1.70

5.1

1.159

143

25

7/2.14

6.4

0.735

226

35

7/2.52

7.5

0.528

314

50

7/3.00

9.0

0.371

445

70

19/2.14

10.7

0.263

618

95

19/2.52

12.6

0.194

852

120

19/2.80

14.0

0.154

1057

150

19/3.15

15.7

0.121

1339

185

37/2.52

17.6

0.100

1660

240

37/2.85

19.9

0.077

2123

300

37/3.15

21.7

0.064

2594

400

61/2.85

25.6

0.062

3502