Answer / guna

if u want to use Aluminium cable divide the current value by 1.4
for copper cable divide the current value by 2.4

Answer / ehsisjwuwu

reallly dont know :-)

Answer / shyam sharma

both of above are not a rgt ans.
plz give a precisious ans.

Answer / ramkumar

sq.mm=Irun^2/1.6 For copper
sq.mm=Iruna^2/1.2 For al

Irun is Running current.

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