nit 315/supply of electrical line materials under oandm head for f.y. 2024-25 under esa, giridih supply of electrical line materials under oandm head for f.y. 2024-25 under esa, giridih , electrical items : , aluminium pipe 40 mm dia , earthing gi strip for (65 x 6) mm2 , dead end clamp suitable above 70 sq. mm bare messenger [including 1 no. dead end bracket + 1 no. dead end + 2 mtr. stainless steel strap + 2 nos. ss buckle] [minimum breaking load- 15 kn] , service main anchor clamp for proper support of service cable [4 mm2 and 10 mm2] , suspension clamp suitable for 95-150 sq.mm bare messenger [including 1 no. suspension clamp with bracket + 1.5 mtr. ss strap + 2 nos. ss buckle] , dead end clamp suitable for 95-150 sq. mm bare messenger [including 1 no. dead end bracket + 1 no. dead end + 1.5 mtr. stainless steel strap + 2 nos. ss buckle] , ace chemrod (artificial concept of earthing by chemical rod) ace chemrod earthing electrode (consisting mild steel galvanised pipe of size 2500 mm in length x 48 mm couter dia. x 2 mm thick, ms rod of size 2575 mm x 16 mm be welded with bottom. the epoxy insulator of not less than 100 mm length is to be fixed on top of mild steel galvanised pipe.