Electrician Red Seal · Question
An electrician is installing a new control panel for a conveyor system. The control circuit requires a 120 V AC supply, but the main power is 600 V AC. What device is necessary to provide the correct control voltage?
A step-down transformer is used to reduce a higher input voltage (600 V AC) to a lower, desired output voltage (120 V AC) for the control circuit.
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Question: An electrician is installing a new control panel for a conveyor system. The control circuit requires a 120 V AC supply, but the main power is 600 V AC. What device is necessary to provide the correct control voltage?
Answer options: ✅ A step-down transformer.
- A current transformer.
- A variable frequency drive (VFD).
- A circuit breaker.
Correct answer: A step-down transformer.
Explanation: A step-down transformer is used to reduce a higher input voltage (600 V AC) to a lower, desired output voltage (120 V AC) for the control circuit.
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