... in 2, 4, 6, 8 ,12 and 20 cores, in white outer sheaths, with rip-cord. 2. Specification ... / Grey / Black3. Inner core shealth color: No. of Cores x Nominal Cross Sectional Area(mm2)No. and Nominal Diameter ... gas emission EN 50267-2-1 / IEC 60754-1Smoke density EN 61034-2 / IEC 61034-2 Contact : Ms ... -13560451278 MSN/E-mail: hengdelicable2010@hotmail. 12 cores shield signal cable, alarm cable,FTP cable