Cable shall always be protected with or installed in a duct.

Construction 

• Optical fibres: Coloured single-mode fibres according to the ITU-T G.657.A1. Fibre diameter is 200 µm.
• Outer sheath: Tube of thermoplastic engineering polymer with jelly filling. Colour of the tube is black. Nominal wall thickness is 0,35 mm.
• Marking: Marking printed on the sheath at one meter interval: Nestor Cables - Cable type - lot number - year of manufacture - length marking

All of our fibre optic and copper cables are halogen-free.