A technician is installing a new power supply in an office located in Europe. The power outlets in the office provide 230V AC. Which of the following power supplies should the technician select?
A universal input power supply without verifying its voltage compatibility with the mile system components.
A power supply that strictly supports 110-120 VAC without any option to switch voltages.
An auto-switching power supply only rated for 110V because the local grid will adapt accordingly.
A power supply that supports an input voltage of 220-240 VAC.
In Europe, the standard voltage provided by power outlets is typically between 220-240 VAC. Therefore, on occasions where computing hardware is to be set up within Europe, power supplies should be congruent with this range in voltage input. Managing input voltage correctly is crucial as it prevents potential damage to computer components. Power supplies usually have a switch that lets the user select between 110-120 VAC or 220-240 VAC to match the local power grid. Picking the wrong voltage can result in insufficient or excessive power being supplied to the system, which can cause hardware failures or even hazards.
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What does VAC mean in the context of power supplies?
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Why is it important to choose the correct voltage for a power supply?
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What is an auto-switching power supply, and how does it work?