PVC Insulated Multi stranded aluminum cable single core of size 4 sq. mm ( 7/ 0. 85 mm ) conforming to RDSO Specification No. RDSO/ PE/ SPEC/ TL/ 0027- 2002 ( Rev 0 ) June- 2002 with Amendment No 1. However, the firms may quote for latest Specification/ Drawing with amendment if any issued by RDSO/ ICF/ RCF.