Nom.
Cross-
Section
Area

Unarmoured Cables

Aluminium Wire Armoured Cables

Nom.
Insulation Thickness

Copper Wire Screen Area

Nom.Sheath
Thickness

Approx. Overall Diameter

Approx. Weight

Copper Tape
Screen
Area

Nom.
Bedding
Thickness

Nom. Armour Wire Diameter

Nom.
Sheath Thickness

Approx. Overall Diameter

Approx.
Weight

CU

AL

CU

AL

mm2

mm

mm2

mm

mm

kg/km

mm2

mm

mm

mm

mm

kg/km

35

5.5

16

1.7

27.4

1100

800

5.2

1.2

1.6

1.9

31.4

1400

1200

50

5.5

16

1.8

28.8

1330

1010

5.4

1.2

1.6

2.0

34.8

1850

1540

70

5.5

16

1.9

30.6

1570

1130

5.9

1.2

2.0

2.0

37.2

2190

1750

95

5.5

16

1.9

32.2

1840

1240

6.2

1.2

2.0

2.1

39.0

2510

1900

120

5.5

16

2.0

33.8

2120

1360

6.6

1.2

2.0

2.1

40.4

2810

2040

150

5.5

25

2.0

35.5

2440

1500

6.9

1.2

2.0

2.2

42.3

3180

2240

185

5.5

25

2.1

37.2

2810

1640

7.4

1.2

2.0

2.2

43.8

3560

2380

240

5.5

25

2.2

39.9

3390

1860

7.8

1.2

2.0

2.3

46.5

4200

2640

300

5.5

25

2.2

41.9

3990

2110

8.4

1.3

2.5

2.4

49.9

5030

3130

400

5.5

35

2.3

45.8

5100

2490

9.0

1.3

2.5

2.5

53.8

6140

3600

500

5.5

35

2.4

48.4

6000

2900

9.7

1.4

2.5

2.6

56.6

7210

4100

630

5.5

35

2.5

53.6

7340

3340

10.4

1.4

2.5

2.8

62.0

8700

4650

Nom.
Cross-
Section
Area

Unarmoured Cables

Aluminium Wire Armoured Cables

D C Resistance
CU / AL

A C Resistance
CU / AL

Short
Circuit Rating of
Conductor
CU / AL
1 sec

Capaci-
tance

Charging Current

Short
Circuit
Rating of Copper Wire Screen
1 sec

Short Circuit Rating of Copper Tape Screen
1 sec

Reactance

Inductance 

Impedance

Trefoil

Flat Spaced

Trefoil

Flat Spaced

Trefoil

Flat Spaced

CU

AL

CU

AL

mm2

µΩ/m

µΩ/m

kA

pF/m

mA/m

kA

kA

µΩ/m

µΩ/m

nH/m

nH/m

µΩ/m

µΩ/m

35

524/868

668/1113

5.0/3.2

162

0.7

2.6

0.7

147

207

470

620

679

1121

695

1131

50

387/641

494/822

6.8/4.4

177

0.8

2.6

0.8

141

201

450

640

511

834

527

844

70

268/443

343/568

9.8/6.3

200

0.8

2.6

0.8

135

195

430

620

364

583

386

597

95

193/320

248/410

13.3/8.5

222

0.9

2.6

0.9

129

188

410

600

272

427

300

446

120

153/253

196/325

17.2/11.0

241

0.9

2.6

0.9

122

182

390

580

225

345

257

367

150

124/206

159/265

21.2/13.5

257

1.0

4.3

1.0

116

176

370

560

193

287

229

313

185

99.1/164

128/211

26.6/17.0

280

1.0

4.3

1.0

116

173

370

550

165

237

206

267

240

75.4/125

98/161

34.9/22.3

307

1.1

4.3

1.1

110

170

350

540

140

191

185

226

300

60.1/100

80/130

43.8/28.0

336

1.2

4.3

1.2

107

166

340

530

126

163

174

203

400

470/77.8

64/102

57.3/36.6

370

1.3

5.8

1.3

100

160

320

510

113

141

164

184

500

36.6/60.5

51/81

72.3/46.2

406

1.4

5.8

1.4

97

154

310

490

105

124

158

171

630

28.3/46.9

42/64

91.2/58.3

449

1.5

5.8

1.5

94

151

300

480

97

110

151

160