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One horsepower electric is defined as 746 watts, so two horsepower is 1492 watts. Divide that by 240 volts, and you get about 6.2 amperes. Now you have to consider the power factor, which is the ratio of apparent power to true power, caused by the inductive (reactive) load of the motor causing the current to be out of phase with respect to voltage. You did not say what the power factor was, so lets assume it is 0.8. That makes the current about 7.75 amperes.

That's running current, at full load. Starting current is often four times higher. The NEC list this motor has drawing 12 amps and to wire this motor you would use this value, unless the actual nameplate amps on the motor was higher.

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