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New Consumer Unit Necessary?

Robert Garrett

We are having our conservatory replaced with a more substantial "garden room". The electricity in the conservatory was a spur off a current ring main, and the new room will be the same. The electrician says we must have the current consumer unit (which is plastic and has no RCDs being ~30 years old) replaced in order for the work to be certified. We had the system checked a few years ago and although advised a new consumer unit would be better, told it was not a legal requirement.

So do regulation require a new consumer unit with RCDs for this ring spur to be re-added, or is he being over cautious?

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    As long as the existing circuits continuity, insulation and earth fault loop test results are okay, the new additional sub circuits comply with BS7671 2018:A2 standard (a type A RCD fused spur supplying radial sockets and another for the lighting), all should be good.

    It would be advisable to have a new consumer unit though.

    When was the last periodic inspection and test (EICR) carried out?

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  • 0

    As long as the existing circuits continuity, insulation and earth fault loop test results are okay, the new additional sub circuits comply with BS7671 2018:A2 standard (a type A RCD fused spur supplying radial sockets and another for the lighting), all should be good.

    It would be advisable to have a new consumer unit though.

    When was the last periodic inspection and test (EICR) carried out?

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