This damage can occur during installation if the cable is bent too tightly, or if excessive tension is applied during installation. Over time, damage to the cable's fibers can result in signal loss or complete failure, which can compromise the safety and. Describe the system used for installation and delivery of OPGW fibre optic cables. - SCOPE This document covers all the activities usually performed by PRYSMIAN for on-site installation of OPGW fibre optic cables, including transport, installation, accessory assembly, verification of optical. Optical Ground Wire (OPGW) cables are critical for both power transmission and communication systems. To avoid these pitfalls, adopting best practices for OPGW maintenance 1 is essential.