Halogen-free single-core cables are used wherever high protection against damage caused by fire is required. These cables can be installed on and under plaster as well as in closed cable ducts. When used in rail transport, the permissible DC voltage level relative to earth is 900V. These wires are also used as wiring in devices, switching stations, lighting, with operating voltage up to 1000V AC or 750V DC in relation to earth. C - the product complies with the guidelines of the low voltage directive 2006/95/EG.