procurement of different types of heavy duty copper lugs and inline connectors pertaining to electrical maintenance sections under esi department of 1x500mw unit of dvc btps , copper straight through ferrule ( in-line connector ) 10 . 0 sq . mm , copper straight through ferrule ( in-line connector ) 16 . 0 sq . mm , copper lugs 2 . 5 sq . mm , copper lugs 10 sq . mm , copper lugs 15 / 16 sq . mm , copper lugs 25 sq . mm , copper lugs 50 sq . mm , copper lugs 120 sq . mm , copper lugs 150 sq . mm , copper lugs 185 sq . mm , copper lugs 225 sq . mm , 70 sq mm , crimping type . non insulated ring socket , made of copper . , copper lugs 240 sq . mm , lug copper 10 sq mm , pin type , lug copper 6 sq mm , pin type , lug copper 2 . 5 sq mm , pin type , copper lugs 95 sq . mm , copper bottle lugs , size- 10 sq . mm , copper bottle lugs , size- 2 . 5 sq . mm , copper lugs 300 sq . mm , heavy duty copper lug 630 squ . mm , in line connector copper 25 sq . mm , in line connector copper 50 sq . mm , in line connector copper 95 sq . mm , copper straight through ferrule ( in-line connector ) 6 . 0 sq . mm