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Maximum demand on Electrical installation certificates

Dom

HI all, what are the thoughts on the maximum demand section of the Install cert. I ask this as I have seen many different approaches to this over the years with some people matching the fuse, other utilising the OSG process with diversity. My question centres around the fact in EV charge point installs the max demand is now very significant in respects to the DNO and the ENA process.

The max demand figure on the ENA and the cert must correlate? Does any one have an opinion on this or how it would affect the legitamcy of a certificate or an ENA in respects to governance - would it affect for example an insurance claim? If something was to go wrong?

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  • 0

    Interesting CPD opportunity with NICEIC on this subject. About 90minutes of material that ends up with equally as may ways in establishing maximum demand. However, according to the presenters, NICEIC inspecting engineers will be expecting contractors to be able to justify how they determined MD for certification purposes. What spiked my interest was the requirement for those carrying out periodic inspection to be able to do the same.

    perhaps they have just bought a batch of data loggers from the back of a yellow van from someone in Peckham!

  • 0 in reply to lyledunn

    What spiked my interest was the requirement for those carrying out periodic inspection to be able to do the same.

    That will give rise to some random numbers, there are some that seem quite unable to estimate the number of light fittings or even rooms in a flat correctly, let alone how much current it all takes.

    Mike.

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  • 0 in reply to lyledunn

    What spiked my interest was the requirement for those carrying out periodic inspection to be able to do the same.

    That will give rise to some random numbers, there are some that seem quite unable to estimate the number of light fittings or even rooms in a flat correctly, let alone how much current it all takes.

    Mike.

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