Nominal

Sectional

Area

Conductor

Number &

Diameter

of Wires

Overall

Diameter

Maximum DC.

Resistance

at 20°C

Cable

Weight

(approx)

Allowable

Ampacities

in Free Air

Standard Packing

mm²

No / mm

mm

Ω / km

kg / km

A

m

16

7/1.70

5.10

1.8018

44

110

1,000/R

25

7/2.14

6.42

1.1371

69

145

1,000/R

35

7/2.52

7.56

0.8200

96

180

1,000/R

50

7/3.02

9.06

0.5709

137

225

1,000/R

50

19/1.83

9.15

0.5757

137

225

1,000/R

70

19/2.15

10.75

0.4170

190

270

1,000/R

95

19/2.52

12.60

0.3036

261

340

1,000/R

120

19/2.85

14.25

0.2373

333

390

1,000/R

150

37/2.25

15.75

0.1960

406

455

1,000/R

185

37/2.52

17.64

0.1562

509

550

1,000/R

240

61/2.25

20.25

0.1191

670

625

1,000/R

300

61/2.52

22.68

0.0949

840

710

1,000/R

400

61/2.85

25.65

0.0758

1,075

855

1,000/R

500

61/3.25

29.25

0.0571

1,398

990

1,000/R

625

91/2.95

32.56

0.0462

1,735

1,140

500/R

800

91/3.35

36.85

0.0360

2,222

1,340

500/R

1000

91/3.74

41.14

0.0289

2,769

1,540

500/R