Flexible use with medium mechanical stresses and free movements in dry moist and wet environments but not suitable for open air. These cables are suitable for measuring and control especially in such areas as tool machine industries conveyor belts production lines in machinery production in air conditioning and in steel production. The cores have been numbered in such a way that the numbers are easily readable even if the cable has been unsheathed a few cm. The core numbers have been underlined to avoid confusion. For version JZ the earth wire is located in the outer layer.