LIHCH data cable - Construction
Conductor : flexible copper wires, plain.
Insulation : HFFR compound, HI2.
Core identification : black cores with white numerals.
Lay-up : cores laid up in layers of optimum pitch.
Separator : polyester tape.
Screen : braid of tinned Cu wires, 85% coverage.
Outer sheath : HFFR compound, HM2.
HFFR: Halogen-free flame retardant.
Sheath colour : RAL 7001,Grey (to be agreed upon the shade of grey).