Standards
• VDE 0816
Construction
Conductors
Solid annealed bare copper 0.6 and 0.8mm as per class 1 of VDE 0295/IEC 60228
Insulation
Foam Skin which is a composite polyethylene insulation made of an inner cellular layer and an outer solid skin 2YI1 type as per VDE 0207-2
Twisted Pairs
Insulated conductors are twisted into pairs with varying lay length to minimize crosstalk
Cabling Element
Star Quads
Cable Core Assembly
4 Cores are twisted into star quad. 5 star quads are stranded into a basic unit. 5 or 10 basic units each are stranded into one main unit. The star quads are grouped in units and stranded in layers to form the cable core.Standard make up is per VDE 0816 in the Cable Make Up Diagram
Core Wrapping
One or more non-hygroscopic polyester tapes are helically or longitudinally laid with an overlap. These tapes furnish thermal, mechanical as well as high dielectric protection between shielding and individual conductors
Moisture Barrier
A layer of aluminium tape (0.2mm) coated with PE-copolymer on one or both sides is applied longitudinally with overlap over the cable core to provide 100% electrical shielding coverage and ensure a barrier against water vapor
Sheath
Black low density polyethylene type 2YM2 as per VDE 0207-3, being able to withstand exposure to sunlight, temperature variations, ground chemicals and other environmental contaminants Ripcord may be provided for slitting the sheath longitudinally to facilitate its removal
Ripcord
Ripcord may be provided for slitting the sheath longitudinally to facilitate its removal
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Outdoor Telephone Cables