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General Order 64-A

 

Appendix B

 

Mechanical And Loading Data For Conductors

 

TABLE 20

CHARACTERISTICS OF STEEL WIRE SOLID BARE

WIND AND ICE LOADS

ROEBLING STEEL WIRE GAUGE

Gauge

Diameter, inches

Area of conductor Square Inch

Ultimate tension in pounds (standard)

Loading Per Linear Foot of Conductor, Pounds

Light Loading District

Heavy Loading District

Vertical Conductor only

Horizontal -Wind, 8 lbs per square foot

Resultant Load

Vertical, Conductor + inch Ice

Horizontal -Wind 6 Lbs per Sq. Ft. on Conductor + inch Ice

Resultant Load

0

0.307

0.0740

4,120

0.248

0.209

0.324

0.748

0.653

0.993

1

.283

.0630

3,460

.211

.188

.283

.697

.641

.947

2

.263

.0543

2,990

.182

.175

.252

.655

.631

.909

4

.225

.0399

2,180

.133

.150

.201

.584

.612

.846

6

.192

.0289

1,580

.098

.128

.161

.528

.596

.796

8

.162

.0206

1,092

.069

.108

.128

.474

.581

.750

9

.135

.0143

782

.048

.090

.102

.442

.567

.719

10

.105

.0087

476

.029

.070

.076

.404

.552

.684

12

.080

.0050

275

.017

.043

.046

.377

.540

.659