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How do you select a cable size(cu and Al) for a particular load
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Answer Posted / gnd kumaran
First calculate the load current.
Then select the cable according to the current carrying
capacity.[To know the current carrying capacity, refer
cables catalog]
Load Current X Length of the cable X Voltage drop per Amps
per Meter [in milli volts]/ 1000
now we will get voltage drop
If voltage drop is below 3- 5 percentage, you can choose
the above cable, if it is more than 3-5 percentage, go to
next higher size and repeat the calculation.
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