Aluminium conductor galvanised steel reinforced (acsr) and for overhead transmission purpose conforming to is:398 part ii/1996 with amendment no. 1, 2 and 3 (reaffirmed 2007), isi marked, nominal size (as per relevant specification) : 30 sq. mm (as per is:398 part ii), standard conductor length : 1000 m for size above 150 sq.mm, the maximum number of standard lengths on each drum : 4 no. for size 150 sq.mm and above. availability of test report from nabl/ ilac accredited or central government