The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: "Phil Allison"
Subject: Re: Wall wart with two blade polarized plug,,,Why?
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Sat, 5 Oct 2002 08:09:35 +1000
NNTP-Posting-Date: Sat, 05 Oct 2002 07:57:58 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"Patrick Timlin" wrote in message
> Jeff Wisnia wrote ...
> > I'm trying to think of a realistic reason why my little TV's 120 vac -
> > 12 vdc 1.0 amp simple xformer/bridge rectifier wall wart needs one of
> > its two input blades wider than the other so that it won't insert into
> > an duplex outlet in a convenient direction. (i.e. so its body doesn't
> > interfere with a right angle cord plug already in the other half of the
> > outlet.)
> I can only think of two reasons. One, and the most likely, is they
> just did it that way for no other reason than the "prong kits" they
> bought came like that.
> The other is the more unlikely chance that the transformer is not an
> isolated transformer (with primary and secondary coils) but instead an
> auto transformer (single coil with a tap off for the lower voltage
** Wall warts with DC output are NEVER auto- transformers. That
would, be extremely dangerous.
.. . . . . . .Phil
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup