Work of cleaning of insulator strings by using high voltage insulator cleaner & protector of Disc Insulator Strings, Support, Insulators, Post Insulators of various bays, insulator portion of 220 kV CT, CB Pole, PT, Isolators, Transformer Bushings etc. In the Switchyard at 220 kV Sadawaghapur, Nerale & Vankuswade S/Stns under EHV O&M DN., Karad