First step is to make an accurate inspection of the ferrule, using a video microscope. Each type of connector has a different ferrule diameter. Therefore, the correct probe. learn the end-to-end inspection process for optical cables, from receipt to project completion, ensuring optic fiber cables quality and network reliability. for installing electrical products and systems. The internationally known multilayer inner sheath ALPA® construction: Aluminium/HDPE/PA (nylon) withstands aggressive constituents and fluids, providing huge benefits for installing Fiber optic i and UV Resistant. Or PVC flame retardant, and Heat & O th is black color. OtheArmored optical cables are a critical component in modern communication networks, providing robust protection against physical damage and external environmental conditions.