Cable Calculation?

Cable Calculation?



Looking at putting a lathe into a workshop.. 16A, 3 phase, a run of 19metres at approx 35 degrees. 

Also, a 3 phase, arc welder which I was going to put into a 32A socket outlet. 7 metre run, again at 35 degrees. 

Can someone help with how I would complete a cable calculation for either?! Completely confused with three phase systems! 

Cable will be run on perforated tray in an empty (non insulated) ceiling void.





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