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RCD selection and BS7671:2018+Amendment 2:2022

sparkiemike


My question relates to the latest regulations (BS7671:2018+Amendment 2:2022) and RCD selection.

I have an existing installation with an upfront 30mA type-AC RCD.

I am quoting for some work where there will be some electrical alterations for a new kitchen. No new circuits! Mainly some new sockets and LED lighting and relocating a cooker cable. So DC components will be introduced.

Is there a requirement to upgrade the RCD to a type-A RCD to comply with 531.3.3?

Are others anticipating fitting type-A rcds on their minor works now e.g. 4 new downlights in bathroom?

The current board is obsolete so either I put a different manufactures kit in to the board or a new consumer unit. Understandably the customer is reluctant to spend any more money

Parents
  • 0

    I don't know where it is in the regs but somewhere there used to be a statement that said you should not leave the installation less safe than you found it.  Is adding DC components to an AC RCD potentially making it less safe.  I think it is . 

    Gary

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  • 0

    I don't know where it is in the regs but somewhere there used to be a statement that said you should not leave the installation less safe than you found it.  Is adding DC components to an AC RCD potentially making it less safe.  I think it is . 

    Gary

Children
  • 0 in reply to aligarjon

    132.16

    133.2

    134.1.1

    Are relevant I believe, but I think you are thinking of the building regulations Reg 4(3)" ..is no more unsatisfactory in relation to that requirement than before the work was carried out."

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