Non-metal optical cables, also known as all-dielectric optical cables, are used in applications where electrical conductivity is not desirable or safe, such as in high-voltage power lines, gas pipelines, and underwater installations. FRP FRP is the abbreviation of the first letter of the English fiber reinforced plastic, which is a non-metallic material with a smooth surface and uniform outer diameter obtained by coating the surface of multiple strands of glass fiber with light curing resin, and plays a strengthening role in. Unlike metallic armored cables that use steel or aluminum, ETK Kablo's non-metallic armored fiber optic cables use aramid yarn or glass yarn as the armor material. This reinforcement provides excellent tensile strength, crush resistance, and rodent protection without adding conductivity. The result. Looking at a spec sheet, how would I know if a fiber optic cable is metallic or non-metallic? What keywords am I looking out for assuming they don't use those exact words above? edit: Does "dielectric" mean "non-metallic"? Metallic elements include armor, steel strength members, and toning wire. Structural Features. Non-Metallic Optical Cable ASU is an outdoor optical cable specifically engineered with non-metallic materials to ensure durability, longevity, and resistance to environmental factors.