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Topic Title: 7.5 KW shower
Topic Summary: 4mm twin & earth
Created On: 23 July 2013 08:03 PM
Status: Post and Reply
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 23 July 2013 08:03 PM
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Posts: 1192
Joined: 06 February 2006

Is this acceptable length of run is 10 mts .


I did calcs & its in but doesnt feel right if that makes sense
 23 July 2013 08:23 PM
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Posts: 21314
Joined: 23 March 2004

Sounds OK for load and volt drop, all other parameters being OK and assuming a 32A CPD



Let the wind blow you, across a big floor.
 23 July 2013 08:36 PM
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Joined: 18 January 2003

I had to sort out a failed shower that had been wired in 2.5mm T&E. And it was the pull switch that has burnt out. Cable looked ok although I did upgrade it to 6mm. Think that was a 7 or 8 kW shower, certainly not a small one.
I guess not everyone has daughters that spend 30min+ in the shower!
 24 July 2013 07:54 PM
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Joined: 09 January 2009

But why would you? If it's 10m it would only cost an extra four quid to run it in 6mm and an extra thirteen to run it 10mm. Who, in this day and age, could tolerate a poxy 7.5kW shower? Are your margins that tight? You'll get no thanks come upgrade time!

Only dead fish go with the flow. Be a salmon!

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