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Electronic Theory and Principle Discussion of electrical theory, law, etc.

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Old 09-18-2012
Testakraze Testakraze is offline
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Default Any risk cause by voltage drop from 220v to 190v?

I check my house with voltmeter, it's 193volt then check my neighbor house, it's 197volt

normally the voltage was 220volt

1. any risk caused by this voltages drop?
any example some electronic that cannot stand with 190volt while the spec says 220volt needed?
maybe the air conditioner
and looks like this 190volt mean i need higher ampere electrical switches

2. any prevention? or solution? because all my neighbor get this same problem too, maybe there some hardware to raise the voltage to 220volt?

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