The minimum size circuit conductors for a motor with a supply from a 120/208-V panel is ___ AWG.

To determine the minimum size circuit conductors for a motor supplied from a 120/208-V panel, it's essential to consider both the National Electrical Code (NEC) guidelines and the ampacity of the conductors. The NEC provides tables that outline the minimum wire sizes based on the motor's full load current (FLC).

For a motor on a 120/208-V system, assuming you're dealing with typical small motors commonly referenced at such voltage levels, the full load current would guide the proper sizing. Generally, for motors with low to moderate amp ratings, the minimum wire size often needed is 12 AWG, as this size accommodates the standard ampacity while providing enough safety margin to handle inrush currents and avoid excessive voltage drop.

In this specific context, 12 AWG is widely recognized as the minimum size for circuits supplying motors of small to moderate horsepower. It ensures that the conductor can safely carry the necessary current without overheating while complying with the NEC requirements for motor circuits.

Thus, choosing 12 AWG reflects adherence to these standards, supporting the safe and efficient operation of the motor while minimizing the risks associated with under-sizing conductors.