12-3 DC Motor Control

Front

What is the voltage range within which most electric motors can safely operate?

Back

±10% of the rated voltage.

Front

What is the main purpose of a motor nameplate?

Back

To ensure the identification of interchangeable motors.

Front

What device opens all ungrounded conductors at the same time?

Back

Disconnect.

Front

What is used to prevent damage to the motor by monitoring excessive current over time?

Back

Overload Protection.

Front

What does NEC stand for?

Back

National Electric Code.

Front

What is the function of a motor controller?

Back

To regulate the speed and torque of the motor.

Front

What is the significance of the motor's power rating?

Back

It indicates the maximum power the motor can safely handle.

Front

What is the purpose of short circuit protection in a motor circuit?

Back

To prevent damage from excessive current during a short circuit.

Front

What is the role of a circuit breaker in motor control?

Back

To automatically interrupt the circuit in case of overload or fault.

Front

What does the term 'rated voltage' refer to?

Back

The voltage at which the motor is designed to operate optimally.