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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The current board is obsolete so either I put a different manufactures kit in to the board or a new consumer unit.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

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    if your works require RCD protection for either fault or additional protection then the correct selection of RCD is required. If the AC type is not suitable then IMHO your installation would not comply. 

    Additionally you may want to consider the issue of minimising inconvenience in the event of a fault. 

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    if your works require RCD protection for either fault or additional protection then the correct selection of RCD is required. If the AC type is not suitable then IMHO your installation would not comply. 

    Additionally you may want to consider the issue of minimising inconvenience in the event of a fault. 

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