As a strength member, the FRP fiber optic cable reinforcement core is an important component of the fiber optic cable. Methods of Protection Against Rodents Rodent protection methods can be categorized under five main headings: 1. Application of armor made of non-metallic materials such as flat GRP (Glass Reinforced Plastic) or flat FRP. In order to improve the capacity of the optical cable to bear the load and resist the axial stress that may be generated in the laying and application of the optical cable, the steel strand as the strengthening part of the optical cable is the most suitable, and has a certain flexibility., steel tape, FRP, or glass yarn). Hard outer sheaths. The structure of GYFTY63 optical fiber cable 250µm fiber is positioned in a loose tube made of high modulus material, and the loose tube is filled with waterproof compound. The center of the cable core is a metallic Fiber Reinforced Plastic (FRP),for some cores fiber cable, a layer of polyethylene. ETK Kablo 's Non-Metallic Armored Fiber Optic Cables are purpose-built for environments requiring high mechanical strength and complete electrical insulation. Designed with an all-dielectric structure, these cables are non-conductive and entirely immune to lightning strikes and electromagnetic. ion titled “01-SDMS-01, Rev 01” which shall be considered as an integra applicable for the equipment/material covered in this Distribution Material Standard Specification. In case of any conflict, the vendor/manufacturer may propose equipment/material conforming to one group of industry codes.