They can weigh between 60 to 200 kg per kilometer (39. 7 to 132 pounds per 1000 feet), depending on the design and materials used. However, some general guidelines can provide a rough estimate: Indoor Fiber Optic Cables: These are typically lighter as they require less protection. The cable is suitable for both indoor and ou door installation. The outer sheath is made from black UV-stabilized and weather resistant material which is SHF1 classified, and may be exposed for shorter periods to fluids such as diese and mineral oils. To do this, use the tables where the weight of a particular brand of cable products. W = 50 mm² x 8 kg/m³ = 400 kg/m This implies that for every meter of this particular cable, its weight is 400 kg.