OPGW/Ground Wire

ACS Ground Wire part no.
0114

Protection of power lines from lightning overvoltage, construction of optical communication systems.

1

Central strength member (Aluminum Clad Steel wire)

2

Stranded wires (aluminum-clad Steel wires and /or aluminum alloy wires)

2

Stranded wires (aluminum-clad Steel wires and /or aluminum alloy wires)

Aluminum-clad steel wires are corrosion resistant

A standard component of high voltage transmission lines

ACS groundwires shield high-voltage conductors from lightning strikes

Outer diameter, in 0.299 0.358 0.437 0.476 0.52 0.559 0.89
Weight, lb/ft 0.155 0.22 0.315 0.386 0.454 0.526 1.337
Rated breaking strength, lb 10206 14590 20570 25111 29652 34216 86214
Tensile strength, lb 6385 9127 12882 15714 18569 21424 54022
Average operating load, lb 3057 4384 6182 7531 8902 10251 25853
Sectional area of steel elements, sq in 0.054 0.078 0.11 0.134 0.158 0.183 0.463
Sectional area of aluminum elements, sq in 0 0 0 0 0 0 0
Total sectional area, sq in 0.054 0.078 0.11 0.134 0.158 0.183 0.463
DC resistance at 20°C, Ohm/km 2.472 1.730 1.221 1.000 0.848 0.733 0.290
Thermal resistance to short-circuit current, kA2s 8.7 17.7 35.8 53.4 74.2 99.4 636.7
Coefficient of linear thermal expansion, 10-6 1/K 12.6 12.6 12.6 12.6 12.6 12.6 12.6
Elasticity modulus (final), ksi 22887 22901 22713 22684 22727 22655 22553
Modulus of elasticity (initial, installation), ksi 20276 20291 20117 20088 20146 20073 19972
Modulus of elasticity (drawing), ksi 17854 17869 17724 17695 17738 17680 17593
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Operation temperature -76°F … 185°F
Installation temperature -22°F … 122°F
Transportation and storage temperature -76°F … 158°F
Minimum bending radius 20x cable diameter
Life time 50 years