4 X 1.5 Sqmm Multicore Screened, Thin Wa [4 X 1.5 Sqmm Multicore Screened, Thin Walled Electron Beam Irradiated Flexible Elastomeric Cable With Copper Conductor Suitable For Rolling Stock Application Generally Conforming To Edts 132, Rev C, Amd 1, 2 & 3, Data Sheet 4, 600 V Grade. The Colour Of The Outer Sheath Shall Be Black And Colour Of Cores Shall Be Brown, White, Black & Gnye]