From: "Spehro Pefhany"
Subject: Re: Wall wart with two blade polarized plug,,,Why?
References: <3D9A856D.99A017C7@110.net> <3Dun9.email@example.com>
User-Agent: tin/pre-1.4-19990216 ("Styrofoam") (UNIX) (Linux/2.2.14 (i586))
Date: Sun, 06 Oct 2002 12:34:08 GMT
NNTP-Posting-Date: Sun, 06 Oct 2002 08:34:08 EDT
The renowned Bob Wilson wrote:
> What is particularly intersting here, is that the standard Schuko plug is
> used nearly everywhere in Europe, and it has no polarity. Nonetheless, there
> are no documented safety problems related to "polarity reversal' there (the
> Schuko is also a far safer plug in other respects as well).
I noticed that a house I was at in Italy had two socket types installed-
one type had a wider spacing and an optional ground pin in the middle but
I didn't notice any polarity, the others (compatible with my adapter set)
had no ground pin or polarity. What a PITA to have two socket types at
> So I find it interesting the regulatory agencies in North America (and other
> places as well) seem so anal about an issue (polararity reversal) that seems
> not to be a problem in the first place (if one is to judge by the European
Remind me- is European (in all those countries) electricity floating wrt
ground, balanced around ground like our 240 or is one side grounded like
our 120V? Or, do all variations exist? ;-)
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