tender for 50 sq mm (yellow) thin walled flexible elastomeric cable with copperconductors for working voltage above 750 volts up to 1.8/3.0 kv rdso letter no-el/2.2.37 dtd. 23.03.2009as per rdso specs no-elrs/spec/elc/0019 rev-4 or latest.make-rdso approved make only .
