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ASTM Standard

ASTM Standard

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Core and nominal cross   section

Conductor

Insulation thickness

Concentric conductor

Thickness of cable shield

.

Cable weight/km

Max DC resistance of   conductor (20)

Wire gauge

Number

Diameter mm

mm

Number

Diameter mm

mm

mm

kg/km

Ω/km ()

Ω/km (Concentric)

Copper conductor (US   standard)

2X #12

7

0.78

1.14

39

0.321

1.14

7.74

108

5.43

5.50

2X #10

7

0.98

1.14

25

0.511

1.14

8.72

151

3.41

3.50

2X #8

7

1.23

1.14

25

0.643

1.14

9.74

214

2.14

2.20

2X #6

7

1.55

1.14

25

0.813

1.14

11.04

313

1.35

1.40

2X #4

7

1.96

1.14

26

1.020

1.14

12.68

472

0.848

0.85

3X #8

7

1.23

1.14

65

0.405

1.14

11.3X17.3

418

2.14

2.20

3X #6

7

1.55

1.14

65

0.511

1.52

13.2X20.2

620

1.35

1.40

3X #4

7

1.96

1.14

65

0.643

1.52

14.7X22.9

875

0.848

0.85

3X #2

7

2.47

1.14

65

0.823

1.52

16.6X26.3

1275

0.524

0.53

Aluminum alloy conductor (US   standard)

2X #12

7

0.78

1.14

39

0.321

1.14

7.74

67

8.88

8.90

2X #10

7

0.98

1.14

25

0.511

1.14

8.72

85

5.59

5.60

2X #8

7

1.23

1.14

25

0.643

1.14

9.74

110

3.52

3.60

2X #6

7

1.55

1.14

25

0.813

1.14

11.04

148

2.21

2.30

2X #4

7

1.96

1.14

26

1.020

1.14

12.68

206

1.39

1.40

3X #8

7

1.23

1.14

65

0.405

1.14

11.3X17.3

262

3.52

3.60

3X #6

7

1.55

1.14

65

0.511

1.52

13.2X20.2

370

2.21

2.30

3X #4

7

1.96

1.14

65

0.643

1.52

14.7X22.9

488

1.39

1.40

3X #2

7

2.47

1.14

65

0.823

1.52

16.6X26.3

640

0.88

0.89


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