-----Original Message-----
From:   Paul B. Webster VK2BZC [SMTP:paulb@MIDCOAST.COM.AU]
Sent:   Thursday, 23 March 2000 10:44
To:     PICLIST@MITVMA.MIT.EDU
Subject:        Re: 14V - 12V

Mark Willis wrote:

> A second fuse is redundant, really, IMO (so far.)  Maybe you can
> convince me, though?  <G>

>  I thought the battery was there as a glorified Zener?
Not in Aust where there is a common ground line. In Europe a mecca ground is used, somewhat better!

 If the fuse or>
>Polyswitch opens because it happens to be subjected to a ridiculous
>over-voltage (60V or 100V)


??? since when do fuses and polyswitches go open on a highish voltage?


 and you have the regulator connected to the
source side of the fuse, does not the regulator and possibly your
circuit-to-be-protected begin to develop smoke enuresis ever-so-shortly
afterward?

Connectus to sameus spotus and nous useus!

--
  Cheers,
        Paul B.


Dennis :)