OPGW/Ground Wire

OPGW C part no.

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


Optical fiber


Stainless steel tube filled with water-blocking gel


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


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

Up to 48 fibers in a tube

Corrosion resistant aluminum-clad steel wires

Optical groundwire (OPGW) shields high voltage conductors from lightning strikes

Aluminum alloy wires provide conductivity for fault current

Crush — from 571 lb/in
Fiber count up to 48
Rated breaking strength, lb 5620 … 47210
Tensile strength, lb 3372 … 28101
Cable diameter, in 0.315 … 0.709
Cable weight, lb/ft 0.134 … 0.827
Elasticity modulus (final), ksi 15737 … 35969
Short current circuit capacity (initial temp 25° C), kA²s 5...300
Short-circuit current for 1s, kA 3...20
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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
Warranty as specified in the supply agreement, min 2 years