What happens if 330 volts of electricity passes into my pc?

I spoke to a technician at a U.P.S., uninterrutable power supply, company and he said it would not cause any problems to the computer. But my understanding is that any extra voltage straying into the pc will cause problems long term, is this true?

Answer:
If the UPS is doing its job, it will regulate the voltage that your computer's power supply sees to be a constant 110 volts (in the US, anyway), regardless of the input voltage of the UPS. However, if the UPS fails or short circuits, it might deliver more voltage than it's supposed to.

Ideally, the UPS would simply break the circuit when it malfunctioned, but this may not always be the case.

At best you'll pop a fuse. At worst you'll fry it.

Why 330 volt and not 240 or 480 which is more realistic and how may amps are we talking. If you are expecting a lightning strike then it will pop your breakers.

You're really asking two different questions here. 330 V will definitely fry your pc, but a UPS is generally designed to be somewhat fail-safe, that is, it will usually protect your computer past its own failure.

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What happens if 330 volts of electricity passes into my pc?

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