APPLICATION
Designed to use in ducts and also directly burried into ground. Cables having 0.4 and 0.5 mm
conductor diameter are used for distribution network.Cables having 0.6 and 0.9 mm conductor
diameter are used for long distance network.
CONSTRUCTION
- Conductor
Solid annealed copper having the diameter of 0.4, 0.5, 0.6 and 0.9 mm. (CCITT Yellow Book Vol. III-2-G.541 b article, IEC 28 and ASTM B3). - Insulation
Dual insulation of cellular polyethylene covered with a solid skin layer of medium or high-density polyethylene compound (BS 6234 Type 03 - ASTM D 1248). - Cable Assembly
Quads, each having special lay length to minimize the crosstalk and capacitance unbalance, are assembled into 10 pairs units. Superunits having 50 pairs or 100 pairs are assembled into cable core. - Filling Compound
The water resistant filling compound is applied to the air spaces within the cable core to provide the water proofness. - Core Covering
A non-hygroscopic dielectric plastic tape having suitable overlap is applied longitudinally or helically over the cable core. - Flooding Compound
Sufficient flooding compound shall be applied between the core covering material and screen. - Screen (Shield)
A flat aluminium foil coated with copolymer on both sides is applied longitudinally over the core covering as screen. - Outer Jacket (Sheath)
Black linear-low density or medium-density polyethylene compound (acc. to ASTM D 1248) is extruded over the screen. - Identification Tape
A suitable tape, durably marked with the manufacturer’s name, year of manufacture and type of cable, is placed under the core covering. Alternatively, these details may be printed on the outside of jacket. - Length Marking
Sequentially numbered length markings are located at alternate 1 meter intervals on the outside of the jacket.
