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ASTM F 1883 : 2003 : R2013

ASTM F 1883 : 2003 : R2013

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Standard Practice for Selection of Wire and Cable Size in AWG or Metric Units

Available format(s)

Hardcopy , PDF

Superseded date

28-08-2020

Superseded by

ASTM F 1883 : 2020

Language(s)

English

Published date

01-05-2013

Publisher

American Society for Testing and Materials

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CONTAINED IN VOL. 01.07, 2017 Describes the selection of conductor size for single conductor or multiple conductor cable sizes either in American Wire Gauge (AWG) or metric designations for commercial ship design and construction.

Committee
F 25
DocumentType
Standard Practice
Pages
3
ProductNote
Reconfirmed 2013
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1This practice is intended as a guide to shipbuilders, shipowners, and design agents for use in the selection of conductor size for single conductor or multiple conductor cable sizes either in American Wire Gauge (AWG) or metric designations for commercial ship design and construction.

1.2The comparison chart of electrical conductor sizes shown in Table 1 presents a combined listing of international standard sizes of Class 2 stranded copper conductors in accordance with AWG (Specification B8) English units or IEC (IEC 60228) metric units.

TABLE 1 Conversion Table—AWG/Metric Preferred Sizes of Conductors

Size
Metric,
mm 2

Size
AWG/MCM

Area in
Circ Mils
(Nominal)

AmpacityA

dc Resistances at 20°CB

Ohms
per 1000 ft

Ohms
per km

2000*C

2 000 000

1155

0.0053

0.0177

1000*

1 970 000

1145

0.0054

0.0176

1750*

1 750 000

1070

0.0063

0.0199

800*

1 580 000

1009

0.0067

0.0224

1500*

1 500 000

980

0.0071

0.0232

1250*

1 250 000

890

0.0085

0.0278

630*

1 240 000

886

0.0096

0.0286

1000*

1 000 000

780

0.0106

0.0347

500*

987 000

772

0.0105

0.0369

400*

789 000

675

0.0133

0.0475

750*

750 000

655

0.0141

0.0463

600*

600 000

575

0.0176

0.0578

300*

592 000

570

0.0211

0.0607

500*

500 000

515

0.0211

0.0694

240*

474 000

499

0.0219

0.0762

400*

400 000

455

0.0264

0.0867

185*

365 000

431

0.0286

0.1000

350*

350 000

420

0.0302

0.0990

300*

300 000

375

0.0353

0.1157

150*

296 000

372

0.0353

0.1260

250*

250 000

340

0.0423

0.1388

120*

237 000

327

0.0436

0.1540

4/0*

211 600

300

0.0500

0.1639

95*

187 000

265

0.0551

0.1950

3/0*

167 000

260

0.0631

0.2065

70*

138 000

230

0.0752

0.2700

2/0*

133 100

225

0.0794

0.2605

1/0*

105 600

195

0.1002

0.3288

50*

98 700

185

0.1044

0.3910

1

83 690

165

0.1261

0.4139

35*

69 100

144

0.1495

0.5290

2*

66 360

140

0.1588

0.5211

3

52 620

120

0.2005

0.6577

25*

49 300

115

0.2057

0.7340

4*

41 740

105

0.2528

0.8295

16*

31 600

89

0.3259

1.160

6*

26 240

80

0.4023

1.320

10*

19 700

63

0.5167

1.840

8*

16 510

55

0.6380

2.093

6.0*

11 800

43

0.8543

3.110

10*

10 380

40

1.017

3.335

4.0*

7 890

30

1.304

4.700

12*

6 530

25

1.620

5.315

2.5*

4 930

22

2.067

7.560

14*

4 110

20

2.573

8.442

1.5*

2 960

. . .

3.417

12.20

16*

2 580

. . .

4.020

13.19

1.0*

1 970

. . .

5.213

18.20

0.90

1 773

. . .

6.45

21.10

18*

1 620

. . .

6.82

20.95

0.80

1 576

. . .

6.52

21.40

0.75*

1 480

. . .

6.82

24.80

0.60*

1 182

. . .

9.5

31.16

20*

1 020

. . .

10.5

34.45

0.50*

987

. . .

11.4

36.70

22*

640

. . .

16.9

55.44

0.20*

24*

404

. . .

26.7

87.60

26*

253

. . .

43.6

143.04

A Ampacity of single-conductor cable in air at ambient temperature of 30°C and maximum conductor temperature not exceeding 60°C.
B Temperature correction: the conductor resistance may be corrected for moderate temperature differences from the noted reference temperature by the following equation. The parameter, αT, varies with conductivity and temperature. For a list of common temperature coefficients see Test Methods B193.

Equation F1883-03R13_1

where:
RT = resistance at reference temperature T,
Rt = resistance as measured at temperature t,
αT = known or given temperature coefficient of resistance of the conductor being measured at reference temperature T. At 20°C, the value is 0.003 93,
T = reference temperature, and
t = temperature at which measurement is made.

C An asterisk (*) indicates preferred sizes for wires of American Wire Gauge or per IEC 60228 (metric) as appropriate.

1.3As a precautionary caveat, some conductor sizes listed in Table 1 may exceed minimal size requirements of the U.S. Coast Guard, the American Bureau of Shipping, and IEEE STD 45 for specific applications.

1.4The values stated for ampacity and dc resistance are presented as maximum values and are provided for information only.

IEC 60228:2004 Conductors of insulated cables
ASTM B 193 : 2016 : REDLINE Standard Test Method for Resistivity of Electrical Conductor Materials
IEC 60092-350:2014 Electrical installations in ships - Part 350: General construction and test methods of power, control and instrumentation cables for shipboard and offshore applications

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