You could always use mains voltage feed from a 30ma RCD (residual current
device), also would depend on local electrical rules - in NZ & Australia
30ma RCD's are the norm.

_______________________________________

Roy Hopkins             ZL2RJH
Tauranga
New Zealand
_______________________________________

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf
> Of alan smith
> Sent: Tuesday, 23 January 2007 4:03 a.m.
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE] Mains outside
> 
> higher voltages are run all the time underground....how does it get from a
> transformer to you meter? Sometimes overhead...sometimes underground.
> I've run (GFI protected of course) several 115VAC distributions to the
> front and back yard, all in conduit.  You can use direct burial cable but
> still risk having it cut into, conduit is just more difficult to
> accidently put a shovel thru it.  Having the distribution off a GFI (in 5
> yrs never had it trip) gives the secondary protection if there ever is a
> problem. I even have remote controlled relays functioning as well to turn
> on and off the waterfall.
> 
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