Hollow halogen-free single-core cables. Construction:Wires: Of tinned copper wires, multi-wire flexible class 5 according to IEC 60228, HD 383Separator: The right tape between the conductor and the insulationInsulation: EPR rubber compound type 3GI3 according to DIN VDE 0207 part 20Outer shell: Halogen free thermoset compound HM3 according to DIN VDE 0207 p. 24The color of the external coating: Black or after agreeing in a different colorCharacte..