N º de núcleos e 
mm²por condutor 

Cerca de diâmetro externo mm ca.

Cobre peso
kg / km

Aprox. Peso
kg / km

2 x 0.5

8

39

92

3 G 0.5

8.3

44

100

4 G 0.5

8.8

52

120

5 G 0.5

9.7

61

139

7 G 0.5

11.2

75

175

12 G 0.5

13.7

131

276

18 G 0.5

15.7

168

376

25 G 0.5

18.5

212

485

2 x 0.75

8.4

45

104

3 G 0.75

8.7

52

119

4 G 0.75

9.5

67

142

5 G 0.75

10.2

75

165

7 G 0.75

11.9

96

210

12 G 0.75

14.5

160

331

18 G 0.75

16.9

217

468

25 G 0.75

20.3

283

596

2 x 1.0

8.7

49

117

3 G 1.0

9.3

60

132

4 G 1.0

9.9

78

163

5 G 1.0

10.8

88

187

7 G 1.0

12.8

115

255

12 G 1.0

15.4

201

419

15 G 1.0

17.7

267

546

25 G 1.0

21.5

351

738

34 G 1.0

23.8

498

972

2 x 1.5

9.5

68

159

3 G 1.5

9.9

83

180

4 G 1.5

10.8

102

217

5 G 1.5

11.6

119

265

7 G 1.5

14.2

186

392

12 G 1.5

16.8

264

554

18 G 1.5

20

379

782

25 G 1.5

23.5

534

1059

34 G 1.5

26.7

695

1359

41 G 1.5

28.9

803

1579

3 G 2.5

11.4

121

264

4 G 2.5

12.6

145

307

5 G 2.5

14

205

413

7 G 2.5

16.4

259

533

12 G 2.5

21

407

795

G = with protective conductor; X = without protective conductor