supply of aerial bunched cable with bare messenger for working voltage upto 1100 v as per is: 14255:1995 or latest.aerial bunched cable with bare messenger for working voltage upto 1100 v as per is: 14255:1995 or latest.,aerial bunched cable with bare messenger for working voltage upto 1100 v as per is: 14255 :1995 or latest. type of insulation-polyethylene compound, nominal cross-sectional area of phase conducto r-3x95 sq.mm, nominal cross-sectional area of neutral conductor-1x70 sq.mm, nominal cross sectional are a of street lighting conductor-1x16sqmm, conductor material for phase conductor : aluminium h4 grade as per is:8130:1984 latest, conductor material for messenger (neutral) conductor : heat treated aluminium-m agnesium-silicon alloy wire as per is:398 (part 4):1979 or latest. inspection agency shall be tpi. [ warrant y period: 30 months after the date of delivery ] ]