>>>>http://www.dailymail.co.uk/news/article-1075809/No-barbed-wire--hurt-thieves-allotment-holders-told.html
>>>
>>>I guess I'd better wash the curare off the tips of my allotment fence's staves then, and remove the punji stick pits!
>>
>>Plain wire @ 20kV would be non-obvious, but probably effective ( beg )
>
>There is no power up at the allotments
>
>>
>>Seriously, it might be a job for the Mosquito - heard it's popular over there ...
>
>Does not compute

Solar power. It's used to electrify many miles of fence around here..