PVC insulated unsheathed single core multi stranded copper conductor cable for voltage up to and including 1100 Volts to be used for wiring of AC Coaches, Size- 16 sq mm ( 126/ 0. 4 mm ), Conforming to RDSO Specification No.- RDSO/ PE/ SPEC/ TL/ 0027- 2002 ( Rev.- 0 ) with Amndt No. 1 or latest.