> http://users.pandora.be/worldstandards/electricity.htm
This is fascinating. I had no idea so many different plugs were in
such wide use, especially all the ways grounding has been added to the
basic European two-prong plug.
Unfortunately it's got a couple of bugs. It seems a bit confused about
transformers versus converters; and the "Trick to know the local
voltage and frequency" doesn't work in, at least, North America (NA
light bulbs are marked with voltage but not frequency). The
descriptions of converters and transformers make the transformer sound
like the more complex device, while in fact almost nothing could be
simpler than a transformer, and the description of a converter sounds
as though the generated wave is a sinewave with peaks clipped - like
what you get from an amp driven into clipping - which works only to
lower voltage, delivers too much power into RMS devices like heaters
(or else delivers too low a peak voltage to anything else), and would
be difficult to build.
I've sent off a note to the address given on the page. We'll see what
happens.
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Received on Mon Dec 13 2004 - 12:38:11 GMT