Cable size for your motors

NEC Code 430.22 (Size of Cable for Single Motor)

Size of Cable for Branch circuit which has Single Motor connection is 125% of Motor Full Load Current Capacity.

Example : What is the minimum rating in amperes for Cables supplying 1 No of 5 hp, 415-volt, 3-phase motor at 0.8 Power Factor.

Full-load currents for 5 hp = 7Amp.
Min Capacity of Cable= (7X125%) =8.75 Amp.