NAVIGATION Switch Board Cables (Internal) PCM Cables PIJF Cables (Underground/External) Aerial Cables Energy Cables Coaxial Cables     Dynamic Safe Strong        Aerial Cables Reference Standards - CW 1252 & 52-23 / 85 - TRC Sizes Covered 0.4 mm Upto 100 pair 0.5 mm Upto 100 pair 0.63 mm Upto 50 pair 0.9 mm Upto 20 pair Cable Construction Aerial Cables Conductor Solid Annealed Bare Copper Insulation Solid Polyethylene, coloured as per specification Units 10/20 Pairs shall be laid up to form a unit Super Unit 5 units of 10p/20p laid up to form a super unit of 50p/l00p Cable Core Laying 10p/20p units/50p/100p super units laid up to form a Cable Core Jelly Filling Not Applicable Polyester Taping Polyester tape applied longitudinally/helically over the laid up core/cable Screening PolyAl. tape applied longitudinally over polyester tape with overlap Self Suspension wires/strand Galvanized steel wires as per specification Sheathing Not Applicable Bedding Not Applicable Armouring Not Applicable Jacketing Polyethylene applies over cable core & suspension strand in the form of 8  CW1252 These cables are self-supporting for aerial installations. Construction as per CW 1128 with the inclusion of an integral steel support strands or caternary. The cross section of these cables resembles a figure of eight. No.of Pairs Conductor Size (mm) No. & Normal Dia. of Strands (mm) Max. Overall Dia.(mm) Nominal Weight (kg/km) 5 0.5 1/2.65 8.1 125 10 0.5 1/2.65 9.0 150 20 0.5 7/1.6 11.1 210 30 0.5 7/1.6 13.0 350 50 0.5 7/1.6 15.6 470 100 0.5 7/1.6 20.4 740

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