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13A EV socket

lyledunn
TNCS system in local development. Second hand BMW 330E Hybrid with ICCB that appears to restrict charging to 6A. Owner wants 13A socket on outside wall of house. 

The area is near the Mourne mountains where an Ra of 200 ohms would be difficult to achieve with a single rod. In any event the driveway has just be nicely finished. It would be a simple matter of drilling through the back of the meter cupboard to provide  the 13A socket but it is the loss of neutral protection that is the problem. Anyone know if loss of neutral protection is available as a separate item?
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    I can't help thinking that the onus for detecting and making safe an installation following a PEN break should rest on the DNO not on every household that is being supplied. Especially with the advent of EV charging. 

    It should be quite easy to detect a break at the source substation simply by measuring the current in the neutral earth link

    Or am I being too simple here.
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    I can't help thinking that the onus for detecting and making safe an installation following a PEN break should rest on the DNO not on every household that is being supplied. Especially with the advent of EV charging. 

    It should be quite easy to detect a break at the source substation simply by measuring the current in the neutral earth link

    Or am I being too simple here.
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