Cable formed by flexible copper conductors, insulated with Polyolefin, wired and without external cover. Suitable for all those facilities that must maintain the integrity of the circuits although these are directly affected by fire. Installations according to R.E.B.T. 2002 for ITC BT 28. Annex 1 of the Regulations on Fire Safety in industrial establishments, approved by Royal Decree 2267/2004, of December 3. Basic document SI, safety in case of fire, of the Technical Construction Code, March 2006. Conductor: Flexible polished copper class 5 s / UNE-EN 60228. Insulation: Polyolefin type TI7 s / EN-50363-7. Service temperature: -15ºC to + 70ºC. No spreading of the flame / fire.