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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?

  • 0 in reply to Chris Pearson

    This is presumably a 3 phase supply Chris, because if not that is a meaningless number? This is the number the DNO is prepared to supply in it's design, what happens after that is unknown except if you start drawing 60 kW and there is a supply problem, they can blame you and charge for an increase in your supply.

  • 0 in reply to David Stone

    Yes and only 43% of what the service cable will carry. If I ever get anywhere near to the ADMD, I shall have no money left.

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