300/500 Volts Grade, Stranded (Class 2) Bare Copper Conductors, PVC Type A Insulated, Twisted Pair Overall Shielded With Aluminium Mylar Tape And ATC Flex Drain Wire, Extruded ST1 PVC Inner Sheathed, Single Layer Galvanized Steel Round Wire/ Flat Strip Armoured, Frls Outersheathed Instrumentation Cable In Blue Colour.