Answer / vaseekaran

1. We should know the load going to connect.
2. Maximum load rating going to use.
3. The temperature of the circumstance the cable is going to lay.
4. Condition of the cable(open cable or buried).

Answer / suni

If current rating is given .We can easily get the wire
size by checking
websitehttp://www.interfacebus.com/Copper_Wire_AWG_SIze.html

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