สายโทรศัพท์ ภายนอก รุ่นมีสลิง AP-FIG8 30Px0.65 (30 คู่สาย) เฟ้ลปส์ ดอด์จ PHELPS DODGE เมตร CONSTRUCTION
- Conductor : 0.65mm annealed copper, solid
- Insulation : Polyethylene or Polypropylene
- Pairs : Two insulated conductors twisted
- Layup : Unit construction for cables more than 25pairs. Concentric for cable up to 25pairs
- Corecovering : Non-hygroscopic tape with a high dielectric strength
- Shield : Plastic coated Aluminium tape, thickness 0.2mm laid on with overlap.
The alumium 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 : Polyethlene (Black)
STANDARD
- TIS2434/2552 / TOT
APPLICATION
- For exchange area telephone distribution lines, it is designed,
especially for aerial installation by using the support messenger.