Cable Sheathing Explained: Materials, Types & Uses
Cable sheathing is the outermost layer of a cable that protects it from physical damage, moisture, and chemical exposure. It surrounds the insulated
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Home / What is the function of the outer sheath of the optical cable
Usually in direct burial, climbing, underwater, anti-rat and other occasions, it is necessary to armor the optical cable. The outer sheath is the outermost protective jacket of a cable, acting as the primary defense mechanism for the conductors and insulation it encases. The sheath is located on the periphery of the cable core and consists of an inner sheath and an outer sheath. It consists of double-sided plastic-coated aluminum strips (PAP) or steel strips (PSP) longitudinally. So the material of the fiber optic cable outer sheath must be able to withstand the sun and rain, and not crack due to ultraviolet radiation.
