providing and fixing of 33 kv and 3.3 kv electrical insulating rubber mats in front of electrical panel installed at all asss and both rss of jmrc , supply of 33 kv electrical insulating rubber mats class – c, 3 mm thick with proof voltage 36 kv ac (rms) for 3 min. breakdownvoltages 65 kv ac (rms) for electrical work. isi marked confirming to is: 15652/2006 with one side anti-skid aberration marks and pasting the mat with synthetic rubber adhesive as required. , supply of 3.3 kv electrical insulating rubber mats class – a, 2 mm thick with proof voltage 10 kv ac (rms) for 3 min. breakdownvoltages 30 kv ac (rms) for electrical work. isi marked confirming to is: 15652/2006 with one side anti-skid aberration marks and pasting the mat with synthetic rubber adhesive as required.