On Fri, 25 Sep 2009 19:02:13 +0100,  wrote:

>On 25 Sep,  
>     Pete Brown  wrote:
>
>> I am looking for an approximate figure.
>> 
>> I don't need it accurate to three significant digits.  Within 50% or 
>> 100% is good enough to give me an idea of cost so I can compare it to 
>> the microwave.
>
>For the first 10 minutes or so it will be working at full rate.
>
>Why not look up the rating in the handbook and calculate from there? You
>should have the handbook and service manual if it was (correctly) installed
>and commissioned by a corgi (now gas safe).
>
>I'm sure plenty here can do the calcs if you can't.
> 

Why not read the meters?
-- 

Martin