Nominal

Sectional Area

Number & Diameter of Wire

Overall Diameter

Maximum Conductor Resistance @ 20°C

Allowable Ampacities in Free Air

Cable Weight (approx)

Standard Packing

mm²

No. / mm

mm

Ω / km

A

kg / km

m

10

7/1.35

4.05

1.83

90

90

1,000/R

16

7/1.70

5.10

1.15

125

143

1,000/R

25

7/2.14

6.42

0.727

160

227

1,000/R

35

19/1.53

7.65

0.524

200

314

1,000/R

50

19/1.78

8.90

0.387

250

428

1,000/R

70

19/2.14

10.70

0.268

310

618

1,000/R

95

19/2.52

12.60

0.193

380

858

1,000/R

120

37/2.03

14.21

0.153

440

1,097

1,000/R

150

37/2.25

15.75

0.124

510

1,334

1,000/R

185

37/2.52

17.64

0.0991

585

1,673

1,000/R

240

61/2.25

20.25

0.0754

700

2,200

1,000/R

300

61/2.52

22.68

0.0601

800

2,760

1,000/R

400

61/2.85

25.65

0.0470

900

3,350

1,000/R

500

61/3.20

28.80

0.0366

1,110

4,451

1,000/R