Date   : Thu, 03 Sep 2009 16:18:22 +0100
From   : rs423@... (Mick Champion)
Subject: Leccy @ Acorn World '09

Jason Flynn G7OCD wrote:
>> A 32 amp breaker  is only permissible 
>>     
> because each socket
>   
>>  has two cables feeding it from either side of the 
>> ring effectively doubling up the rating. (Say 38 amps to be
>> on the safe side). Any MCB higher than 32 Amps would be
>> asking for trouble.
>>     
>
> It's more complicated than that: the cable that should be used
> is dependent on the material it is enclosed in and the length.
>   
I don't doubt any of that. However, what do you mean by "material it is 
enclosed in"? Do you mean aperture the cable rests in, or the cable 
covering (ie PVC)? If you refer to the aperture,  please tell  more.
>