... parameter: According fiber cores, weather condition, RTS, short circuit current capacity, DC resistance, line voltage and etc. OPGW Mechical characteristics ... Armore type: Aluminum-clad wire Unit weight (kg/km): 250~500kg/km Short circuit current capacity: Up to 50kA2. T ... Rated tensile strength (RTS): Up to 90kN Optical Fiber Composite Overhead Ground Wire