On a motor nameplate, what does HP stand for?

Study for the NEIEP Electrical Theory and Application Exam. Prepare with flashcards and multiple-choice questions, each with hints and explanations. Gear up for your exam and boost your knowledge in electrical theory!

Multiple Choice

On a motor nameplate, what does HP stand for?

Explanation:
HP on a motor nameplate means horsepower—the unit used to express the motor’s mechanical output at the shaft. One horsepower is about 746 watts and was historically defined as the power needed to lift 550 pounds one foot in one second. The nameplate HP rating tells you the shaft power the motor can deliver under rated conditions, while the electrical input power (voltage × current, adjusted for efficiency) can be higher due to losses. The other terms listed aren’t standard on nameplates.

HP on a motor nameplate means horsepower—the unit used to express the motor’s mechanical output at the shaft. One horsepower is about 746 watts and was historically defined as the power needed to lift 550 pounds one foot in one second. The nameplate HP rating tells you the shaft power the motor can deliver under rated conditions, while the electrical input power (voltage × current, adjusted for efficiency) can be higher due to losses. The other terms listed aren’t standard on nameplates.

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