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General Order 64

 

Appendix B

 

Mechanical And Loading Data For Conductors.

 

Table 17.

Characteristics Of Ordinary Steel Wire – Solid And Stranded – Bare

Wind And Ice Loads

 

Size

A.W.G.

Diameter Inches

Area of Conductor Sq. In.

* Allowable Tension in Rounds

Loading per Linear Foot of Conductor – Pounds

Light Loading District

Heavy Loading District

Vertical – Conductor Only

Horizontal – Wind, 8 lbs. per Sq. Ft.

Resultant

Vertical – Conductor + ½ in. Ice

Horizontal – Wind, 6 lbs. per Sq. Ft. + ½ In.

Resultant

4

0.225

0.0399

1090

0.134

0.150

0.201

0.584

0.612

0.846

6

.192

.0289

790

.098

.128

.161

.526

.596

.795

8

.162

.0206

546

.070

.108

.129

.480

.581

.754

10

.135

.0143

391

.048

.090

.102

.442

.567

.720

12

.105

.0087

238

.029

.070

.076

.404

.552

.684

7 Strand Steel Cable.

5/8''

0.660

0.2660

7250

0.800

0.439

0.914

1.520

0.830

1.731

9/16''

.609

.2268

6230

.650

.406

.765

1.336

.804

1.560

1/2''

.495

.150

4100

.510

.330

.606

1.128

.747

1.360

7/16''

.444

.1204

3218

.415

.296

.510

1.000

.722

1.230

3/8''

.360

.0792

2500

.295

.240

.381

0.828

.680

1.080

5/16''

.327

.0654

1900

.210

.218

.303

.723

.664

.980

1/4''

.249

.0379

1150

.125

.166

.208

.590

.625

.860

3/16''

.195

.0232

730

.075

.130

.151

.506

.597

.784