XPost: sci.electronics.basics   
   From: noone@nospam.com   
      
   On 31/12/2016 4:00 μμ, Mr. Man-wai Chang wrote:   
   >   
   > Just curious about it.   
   >   
   > Does every country have its own devices to calibrate one volt in meters?   
   >   
   as one thousandth of a kV. Or a millionth of a MV.Yes, in USA they have   
   120 volt in houses compared to 230 V to the rest of the world.   
      
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