Due to its construction PVC is a flame resistant material. KLT PVC compounds fulfil the burning characteristics acc. To EN 60332-1-2 (IEC 60332-1-2), UL VW 1, CSA FT1 and FT2.  Nevertheless in case of fire halogenes are released which are a risk for human beings, nature, buildings and machines. Furthermore, PVC control and data cables are not suitable for the laying outside.