DC plugs and outlets [RE-wrenches]

[Kurt Nelson]

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Greetings Hugh,

The reason the 15 A, 240vac plug has been used for low voltage DC is
that here in the US, nobody has an ac appliance in their home that takes
such a plug configuration (certainly not in an off-grid house).  It is
pretty much unique and therefore can't get plugged into the wrong/real
120vac outlet.  

In any case, the problem I still see is that there doesn't seem to be a
good quality code compliant DC plug/outlet other than the afore mention
cigarette lighter junk.

Kurt Nelson  

-----Original Message-----
From: Hugh Piggott [mailto:hugh at scoraigwind.co.uk] 
Sent: Friday, November 19, 2004 12:58 AM
To: RE-wrenches at topica.com
Subject: Re: DC plugs and outlets [RE-wrenches]

 

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I can't believe you guys are serious about using AC plugs for DC 
appliances.  There are so many ways this can backfire.  The only 
system I thought had any merit was one that a neighbour of mine used. 
He wired battery negative to the ground pin and both of the others to 
positive.  If you plug this into an AC source it blows the protection 
and thus gives you something to think about so you don't do it again.

I have never heard of anyone using the live and neutral for positive 
and negative without blowing up equipment and feeling stupid later.
-- 
Hugh
Scoraig Wind Electric
Limoux, France
chez Krug SARL <http://www.krugwind.com>
http://www.aquafiltra.com/stage.htm
http://www.scoraigwind.co.uk/

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