supply of 1)pin type terminal ends insulated, electrolytically tinned for solderless crimping to copper conductor of size 4 sq. mm 2)pin type terminal ends insulated, electrolytically tinned for solderless crimping to copper conductor of size 1.5 sq. 3)pin type copper terminal end insulated, electrolytically tinned for solderless crimping to copper conductors of size 2.5 sq. mm a , pin type terminal ends insulated, electrolytically tinned for solderless crimping to copper con ductor of size 1.5 sq. mm as per chetna catalogue no. ccpi -17. make acceptable: ascon, brass copper, chetna, kamalesh, venus, yamuna. [ warranty period: 30 months after the date of delivery ] ] , pin type copper terminal end insulated, electrolytically tinned for solderless crimping to copp er conductors of size 2.5 sq. mm as per chetna catalogue no. ccpi -18. make acceptable: ascon, brass c opper, chetna, kamalesh, venus, yamuna. [ warranty period: 30 months after the date of delivery ] ] , pin type terminal ends insulated, electrolytically tinned for solderless crimping to copper con ductor of size 4 sq. mm as per chetna catalogue no. ccpi -20. make acceptable: ascon, brass copper, c hetna, kamalesh, venus, yamuna. [ warranty period: 30 months after the date of delivery ] ]