0.5mm2 (16/0.2mm) tinned copper wire conductor, insulated in colour coded LDPE, 8 cores laid up circular and overall taped in a triple laminate ali/poly/ali tape plus tinned copper drain wire (16/0.2mm stranded). Overall tinned copper wire braid screened with a nominal diameter of 9mm. Sheath colour black. Core colours (Red, Brown, Blue, Black, White, Green, Orange, Yellow).