(I) SINGLE PHASE, 2-WIRE SYSTEM: 
Line current = 151.5 A 
Area of cross section = 1.636*10^-4 m^2 
Volume of conductor required = 16.36 m^3 

(II) 3-PHASE, 3-WIRE SYSTEM: 
Line current = 87.5 A 
Area of cross section = 0.818*10^-4 m^2 
Volume of conductor required = 12.27 m^3 


