supply of 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.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.,cable, thin walled flexible elastomeric single core with copper conductors for working v oltage 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. [ warranty period: 30 months after the date of delivery ] ]