Optical Ground Wire (OPGW)

Optical cable embedded in OPGW lightning protection wire

Dual-use cable designed to replace standard ground wire with wire carrying fiber optic cable

AFL is the world’s largest supplier of OCGT cables with the widest range of products in this category

The company also holds the original patent for a fiber optic cable in a stainless steel tube.

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Small diameter, large number of optical fibers (72, diameter 8.4mm)
Large number of optical fibers (over 432)
More than 410 thousand kilometers of cable have been delivered worldwide
Manufactured in Germany and USA

HexaCore

HexaCore.
The optical fibers are housed and protected in gel-filled stainless steel tubes. The optical module is bundled with aluminum and steel wire coated with aluminum to create a multi-layer structure.

CentraCore

CentraCore.
The optical fibers are housed in a central gel-filled stainless steel tube inside an aluminum tube. Aluminum coated steel wire and aluminum alloy wire are twisted around the center piece in one or more layers.

MinCore

MiniCore.
The optical fibers are housed in a stainless steel tube. Aluminum coated steel wire and aluminum alloy wire are twisted around the center piece in one or more layers.