in "lines of distribution, analogous attacks and uses, being adapted for put installation or on facades."
(UNE 21030-2).
If requires to have an installation tightened between supports these same cables will be able to be used fixing them with clips,
each 0,5 m to a wire fastener or steel cord previously installed. The damages in form of penetrating tracks will have to be avoided,
due to the thermal expansions.