Jinx,

On Tue, 23 Jan 2007 10:41:07 +1300, Jinx wrote:

> 
> 
> > 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
> 
> That's kind of my thinking. I use an RCD with extension lead outside
> a lot. I see what I'm wanting to do now as an extension lead that
> happens to stay out all the time. If I'm super super careful and make
> it safe and secure, I don't see a problem

The thing to remember is that a loose extension lead is visible and obvious, so you wouldn't expect damage to it to happen unnoticed.  But a fixed 
cable has to be protected such that it isn't damaged by operations you can predict will happen - for example if it's buried you have to make sure it's 
deep enough, well-enough protected, and marked, such that digging won't damage it.  In the UK you basically have to use SWA (Steel Wire 
Armoured) cable outside, 

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