WHAT IS THE THUMBRULE FOR FINDING OUT THE CURRENT CAPICITY
OF A COPPER WIRE?? 2.5, 4, 6MM SQUARE ETC...

Answer Posted / ramesh kumar k

No.. No.. Mr. Raju... it is 2A/sq.mm atmost for safe
operation... other wise copper wire will burn out...

so the thumb rule is the current carrying capacity is
double that of area...

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