Aerial Cables with seven wire suspension strand having PE insulation are used for Aerial installation in hilly areas where it is difficult to do ducting or direct burial of cables. These cables are also very popular in metropolitan cities where digging of roads is not allowed.
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Annealed electrolytic copper conductor with various diameter of 0.4 mm to 0.9 mm as per IEC28 and ASTM B3.
Conductor insulation are Solid HDPE / Foam Skin / Cellular insulation as per ASTM D 1248 and BS 6234.
Two insulated conductors are twisted together to form a pair with uniform specific lay length . Cable is assembled by stranding of 10 pairs / 20 pairs or 25 pairs basic subunit.
A non hygroscopic and dielectric polyester film is applied helically over the cable core.
An aluminum foil coated with co-polymer on both sides or one side is applied longitudinally over the cable core.
7 wire suspension strand is made integral part of the cable and a common sheath is provided over cable core and suspension strand.
Black Polyethylene Sheath is extruded over the screen.
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