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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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    Chris Pearson: 
     

    gkenyon: 
    What standard is used for the assembly you've made when you put an mcb in a box? It can't be BS 7671 … see Regulation 113.1.

    Presumably no standard at all - just the ones for the individual components.

    If it's serving the purpose of switchgear (like a CU), I would have guessed BS EN 61439 ("Low-voltage switchgear and controlgear assemblies")

      - Andy.

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  • 0

    Chris Pearson: 
     

    gkenyon: 
    What standard is used for the assembly you've made when you put an mcb in a box? It can't be BS 7671 … see Regulation 113.1.

    Presumably no standard at all - just the ones for the individual components.

    If it's serving the purpose of switchgear (like a CU), I would have guessed BS EN 61439 ("Low-voltage switchgear and controlgear assemblies")

      - Andy.

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