WHAT IS THE THUMB RULE FOR DECIDING THE CURRENT RATING OF
COPPER WIRES SAY 2.5/4/6/10 MM SQUARE SIZES??

Answer Posted / hariom

There is no 'rule of thumb'. Every manufacture provide their cables current carrying Data.It is almostly Same as per ISI.The current carrying capacity
of a cable can vary greatly depending on the location and
installation method in which it is used.

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