Nom.
Cross-
Section
Area

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

µΩm

kA

pF/m

mA/m

kA

kA

µΩ/m

nH/m

µΩ/ m

µΩ/m

25

727/1200

927/1538

3.6/2.3

142

0.62

2.6

0.6

162

214

490

680

936

1544

952

1554

35

524/868

668/1113

5.0/3.2

162

0.65

2.6

0.7

150

207

470

660

679

1121

695

1131

50

387/641

494/822

6.8/4.4

177

0.71

2.6

0.8

141

201

450

640

511

834

527

844

70

268/443

343/568

9.8/6.3

200

0.80

2.6

0.8

135

195

430

620

364

583

386

597

95

193/320

248/410

13.3/8.5

222

0.89

2.6

0.9

129

188

410

600

272

427

300

446

120

153/253

196/325

17.2/11.0

241

0.96

2.6

0.9

122

182

390

580

225

345

257

367

150

124/206

159/265

21.2/13.5

257

1.03

4.3

1.0

116

176

370

560

193

287

229

313

185

99.1/164

128/211

26.6/17.0

280

1.12

4.3

1.0

116

173

370

550

165

237

206

267

240

75.4/125

98/161

34.9/22.3

307

1.23

4.3

1.1

110

170

350

540

140

191

185

226

300

60.1/100

80/130

43.8/28.0

336

1.34

4.3

1.2

107

166

340

530

126

163

174

203

400

47.0/77.8

64/102

57.3/36.6

370

1.48

5.8

1.3

100

160

320

510

113

141

164

184

500

36.6/60.5

51/81

72.3/46.2

406

1.62

5.8

1.4

97

154

310

490

105

124

158

171

630

28.3/46.9

42/64

91.2/58.3

449

1.80

5.8

1.5

94

151

300

480

97

110

151

160

800

22.1/36.7

35/55

114.4/75.0

490

1.85

5.8

1.6

91

151

290

480

92

101

147

153