XPost: sci.electronics.basics   
   From: noone@nospam.com   
      
   On 7/1/2017 9:53 μμ, John Larkin wrote:   
   > On Sat, 07 Jan 2017 09:54:52 +0100, Helmut Wabnig  -.dotat> wrote:   
   >   
   >> On Fri, 6 Jan 2017 03:53:30 -0500, Phil Hobbs   
   >>  wrote:   
   >>   
   >>> On 01/06/2017 01:19 PM, Tzortzakakis Dimitrios wrote:   
   >>>> On 31/12/2016 4:00 ??, 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.   
   >>>   
   >>> It's mostly an eastern/western hemisphere thing, apart from Japan (100V)   
   >>> and Taiwan (120V).  See   
   >>> .   
   >>>   
   >>> Cheers   
   >>>   
   >>> Phil Hobbs   
   >>   
   >> Yes, and the USA have the lowest electrical safety standards   
   >> of the world, equal to Pakistan and back street Bangla Desh.   
   >>   
   >> No RCDs in the American homes.   
   >   
   > We call them GFDs. My house has them in all outlets near plumbing   
   > fixtures or other likely-grounded locations.   
   >   
   >   
   >> You have to wait until the 600A main fuse blows.   
   >   
   > Fuse? We use circuit breakers. My house is wired 120-0-120 volts, with   
   > a dual 125 amp main breaker. Most outlets are 120, and a few, for big   
   > loads, are 240. We don't have a/c, which is the big load in most of   
   > the US. Our heat and clothes dryer and cooking are gas.   
   >   
   > Getting hit by 120 volts is not nearly so dramatic as contacting 240.   
   > I do most wiring hot.   
   >   
   >>   
   >> How many get killed every year in USA by electricity?   
   >   
   > A little browsing suggests that there are about 51K electrical fires   
   > in the USA per year, with about 500 deaths.   
   >   
   > The corresponding numbers in GB look like 37K and 250.   
   >   
   > The population ratio is about 5:1.   
   >   
   > It's mostly older buildings that have electrical fires. There is some   
   > horrendous ancient knob-and-tubing stuff in the attics of old   
   > Victorians around here.   
   >   
   > https://en.wikipedia.org/wiki/Knob-and-tube_wiring   
   >   
   >   
   very intersting!there are some homes here, too, with marble (!)   
   distribution panels, that means a sheet of marble, with everything on it   
   (splices, knob type, switches, fuses,and so on). The owners of the homes   
   are stubborn against modernizing them, as it's a great expense.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)