Conductor : 0.4,0.5,0.65 or 0.9 mm annealed copper, solid
Insulation : Polyethylene or Polypropylene
Pairs : Two insulated conductors twisted
Lay-up : Unit construction for cables more than 25 pair. Concentric for cables up to 25 pairs.
Core-covering : Non-hygroscopic tape with a high dielectric strength
Shield : Plastic coated Aluminium tape, thickness 0.2 mm laid on with overlap. The Aluminium tape is corrugated for every size of cables.
Support : 7/2.03 mm extra high strength grade messenger galvanized steel wire,breaking load 29,581 N (3,016 kg)
Sheath : Polyethylene (Black)
Web Width : 2.5 mm Nominal
Web Height : 3.0 mm Nominal