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How to select the Cable size for 550 Amps Load without
seeing the cable Catalogue?
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Answer Posted / syed masood
t he cable size depends upon the ams rating but the cables size defined standard value the ams rating enclosed this values some values 2.5,4,6,10,......630
first you have to know full conductor size standard value
then you calculate cable size depends upon the ams by using this relation cu=2-5ams per sq.mm
al=1.2-2ams per sq.mm
4 guage for 125-150ams convert guage into mm
from kadayanallur syed masood electrical engineer
national college of engineering
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what is the clear formula to calculate cable size for a load
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