Cable, Thin walled flexible elastomeric single core with copper conductors for working voltage above 750 volts upto 1. 8KV/ 3. 0KV conforming to RDSO specification no. ELRS/ SPEC/ ELC/ 0019, Rev- 4 of February 2018 or latest, size- 50 sq mm, Color: Red, Yellow, Blue, Black in equal quantity.