Three-Phase Motor Starter Quiz

What is the purpose of the coil in a three-phase motor starter?

• To provide mechanical support

• To energize the starter

• To cool the motor

• To measure voltage

How is power routed to the motor in a three-phase motor starter?

• Directly from the power source

• Using a battery backup

• Through a series of open contacts

• Via a single closed contact

What is the role of L1, L2, and L3 in the motor starter?

• They are used for grounding

• They are used for cooling

• They are the lines where power comes in

• They are the lines where power goes out

What happens to the auxiliary contacts when the contactor is energized?

• They short-circuit the motor

• They change from their normal state

• They remain in their normal state

• They disconnect from the circuit

How can the status of the motor be indicated using auxiliary contacts?

• By using a thermometer

• By using a sound alarm

• By using indicator lights

• By using a pressure gauge