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How do you select a cable size(cu and Al) for a particular load
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Answer Posted / pillay
I like to add a bit more to Gnd Kumarans answer.
INCLUDE LOAD CURRENT, LENGTH,VOLT DROP AND
1)Type of cable cu/ al, underground, pvc etc
2}how you want to lay eg overhead line, conduit,
underground. cable tray, trunking.
3)if necessary type of protection you are giving
than with the help of the manufacturers cable catalogue you
can safely determine the cable size.
there is no fast rule to say cu cables carry 2.;5 times &al
cables carry 1.5 times the cable size to determine the cable
size.
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