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Original General Order 95

 

Appendix B

 

Mechanical and Loading Data for Conductors

 

Table 18    Copper Wire - Bare - Stranded and Solid - Characteristics and Loading

Characteristics of Conductor

Loading Per Linear Foot of Conductor, Pounds

Size of Cable or Wire, Clr. Mils or AWG


Component Wires (Strands)

Diameter, Inch


Area, Square Inch


Ultimate Tensile Strength, Pounds

Light Loading District

Heavy Loading District

Number

Diameter, Inch

Hard Drawn *

Medium Hard Drawn **

Vertical Load, Conductor Only

Horizontal Load, Wind of 8 Lbs per Sq. Ft. on Conductor

Resultant Load

Vertical Load, Conductor with 1/2 of Ice

Horizontal Load, Wind of 6 Lbs per Sq. Ft. on Conductor with 1/2 of Ice

Resultant Load

500,000

37

0.1162

0.813

0.3927

22,510

18,726

1.544

0.5420

1.636

2.3604

0.9065

2.528

350,000

19

.1357

.679

.2749

15,590

13,024

1.081

.4523

1.172

1.8141

.8395

1.998

250,000

19

.1147

.574

.1964

11,365

9,366

0.7719

.3827

0.862

1.4397

.7870

1.641

0000

7

.1739

.527

.1662

9,154

7,772

.6533

.3514

.742

1.2919

.7635

1.500

000

7

.1548

.464

.1318

7,366

6,204

.5181

.3093

.604

1.1175

.7320

1.334

00

7

.1379

.414

.1045

5,925

4,952

.4109

.2760

.495

0.9792

.7070

1.208

0

7

.1228

.368

.0829

4,753

3,953

.3258

.2453

.408

.8655

.6840

1.103

1

7

.1093

.328

.0657

3,802

3,154

.2584

.2187

.338

.7733

.6640

1.019

2

7

.0974

.292

.0521

3,042

2,517

.2049

.1947

.283

.6974

.6460

0.950

2

3

.1487

.320

.0521

2,913

2,453

.2029

.2133

.294

.7128

.6600

.971

4

7

.0772

.232

0328

1,940

1,604

.1289

.1547

.201

.5841

.6160

.849

4

3

.1180

.254

.0328

1,879

1,564

.1276

.1693

.212

.5964

.6270

.865

4

1

-

.2043

.03278

1,970

1,642

.1264

.1360

.185

.5641

.6020

.825

6

3

.0935

.201

.0206

1,204

995

.0825

.1340

.157

.5184

.6005

.793

6

1

-

.1620

.02062

1,280

1,046

.0795

.1080

.134

.4911

.5810

.759

8

1

-

.1285

.01297

826

667

.0500

.0853

.099

.4406

.5640

.716


*    Minimum ultimate strengths of ASTM Specifications, B 1 - 39.
**    For stranded conductors, 90% minimum ultimate strength of ASTM Specifications, B 2 - 39, plus 1/4 of the difference between maximum and 90% of minimum ASTM values; for solid conductors, minimum ultimate strengths of ASTM Specifications, B 2 39, plus 1/4 of the difference between minimum and maximum.