I am volunteering in the construction of a school for poor kids in peru. I have been asked to "fix" the wiring and I have had a bit of success. I am not an electrician but I have rewired an old home in the states working with 110. My initial question involves the difference between 110 and
220. My volt tester here reads 220 in regular type wall outlets. I thought 220 was used for large appliances which needed different outlets. But here everything appears to be 220. I know how to turn off the power, but is this 220 I should be very weary of? They are using very thin 2 strand wire without a ground wire. Thanks for any helpMike
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