... & BlueFour Core CablesRed, Yellow, Blue & BlackFor Multicore Flexible Cables - Colour of InsulationFlexible Wires, Cables & CordsSingle Core Wires & CablesRed, Yellow, Blue, Black, Grey, Green, White ... laid together with a suitable right hand lay.Flat 2 and 3 core cableThe cores are laid side by side. ... In case of 2 core flat cables with Earth continuity conductor the core and the E.C.C are laid side ...