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Shower circuit design.

Sparkingchip

Why would an electrician install a 10 mm twin and earth circuit protected by a B32 MCB for a 8.5 kW shower?

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    mapj1: 
     

     

    I agree (though I missed it in the original Q too) that anyone claiming the competence to  install an 8.5kw shower should be up to division of watts by 230 to get a current

    Or 240 … see earlier posts. For example, this 8.5 kW shower is only 8.5 kW at 240 V, 7.8 kW at 230 V (although still if you have a look at page 2 of the manufacturer's instructions, a B40 is recommended by the manufacturer). 

     

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  • 0

    mapj1: 
     

     

    I agree (though I missed it in the original Q too) that anyone claiming the competence to  install an 8.5kw shower should be up to division of watts by 230 to get a current

    Or 240 … see earlier posts. For example, this 8.5 kW shower is only 8.5 kW at 240 V, 7.8 kW at 230 V (although still if you have a look at page 2 of the manufacturer's instructions, a B40 is recommended by the manufacturer). 

     

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