These halogen-free and flame retardant screened installation cables with twisted pairs are are mainly used in instrumentation and control engineering; communication and automation systems, data and signal transmission in electronic purposes. And also screen provides protection against external electrical interferences. Halogen-free cables are used in the closed environments, at schools, airports, hospitals, malls etc. where low corrosive gases and low smoke density must have in case of fire. With blue sheath it is suitable for intrinsically safe systems. These cables are suitable for installation in dry and moist operating areas in buildings, above and beneath plaster as well as for permanent outdoor and wall installation on outer building walls.