According to NEC 430.53, multiple motors may be connected to a single branch circuit provided each motor has individual overload protection and the circuit is protected by a device rated at no more than:
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A
125% of the largest motor's full-load current plus the sum of all others
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B
The rating of the smallest motor's branch-circuit protection
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C
15 amperes for 120V circuits or 20 amperes for 240V circuits
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D
The sum of all motor full-load currents