Date   : Fri, 18 Sep 2009 18:57:11 +0100
From   : rs423@... (Mick Champion)
Subject: Leccy @ Acorn World '09

Pete Turnbull wrote:
> On 18 Sep 2009,@17:11, Andy Ford <acorn@...> wrote:
>   
>> Pete Turnbull wrote:
>>     
>>> That's why building site supplies in this country are 55-0-55V and  
>>> never 0-110V.
>>>
>>>       
>> Interesting to know that, I had assumed they used 110vac (all those
>> portable yellow (isolation?) transformers you tend to see...
>>     
>
> Yes, they're 110VAC but centre-tapped to earth so the biggest shock  
> you can get is only 55V.
>   
A much easier to understand explanation than mine. I should have read 
ahead. Story of my life !



Mick.