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Re: The Origin of Positive Earth?

To: Michael Marr <mmarr@idcnet.com>
Subject: Re: The Origin of Positive Earth?
From: Joe Curry <spitlist@gte.net>
Date: Tue, 13 Jul 1999 10:55:43 -0700
Cc: Chip19474@aol.com, triumphs@autox.team.net
References: <002c01becd57$8bb69480$670cbece@MarrMichael.vancpower.com>


Michael Marr wrote:
> 
> Good question!  Maybe it is to maintain 12 Volts supply to all accessories,
> because the frame and body, being relatively massive, has relatively low
> resistance when compared with a cable.  Thus, the voltage drop would be in
> the ground cable rather than in the supply cable.  Does this make sense to
> anybody?  Dan Masters?

The flaw in that theory is that the return path (negative) would still
have the same resistance to current flow as it would in a negative
grounded system.  You have to look at the complete path of current flow
and regardless of which side is grounded, one side would have to be
isolated and connected by a cable.

Joe

-- 
"If you can't excel with talent, triumph with effort."
 -- Dave Weinbaum in National Enquirer


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