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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#42
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Using a 16A Schuko socket
On 29/01/2020 11:00, wrote:
On 28/01/2020 17:43, ARW wrote: On 27/01/2020 19:18, wrote: On 27/01/2020 16:58, ARW wrote: On 27/01/2020 15:19, wrote: You need a safety interlock to ensure that the cable only goes live once it is plugged-in to the car. Charge points contain a protocol controller to handle comms with the car and to enable a contactor once safe so to do, they also have an RCD. Finally, they're supposed to be TT'd to ensure that supply and car ground potentials are similar. More specifically they have a type A RCD. TT is not always a requirement. However when it is you often have to TT more than the car charger. I don't see how that lines-up with 722.411.4, which says (paraphrasing) that a PME earth SHALL not be used for an outdoor vehicle charging point, with a few exceptions that would not normally apply. It's a while since I did the installation course and I have only fitted one charging point since I went on it. Actually the NICEIC bloke said to treat both TNS and TNC-S as the same thing as the UK's electrical infrastructure is ****. I believe that you are correct and "most if not all" of PME outdoor installs required a TT installation. The big problem was that you also had to TT any other circuits that you might be able to touch whilst touching the car. You were then given a picture of a bloke with long arms that could touch his car and then his outside lights, electric gates or outside socket (not all at the same time he did not have 3 arms). If I can find the installation book I'll quite happily scan it for you and then the next time I have to install a car charging point (Christ knows when) or the subject appears on the newsgroup you can look the info up for me and send me the details whilst I am down the pub having a pint:-) Seriously, I will have to read that installation book again and if you do want a copy I'll do one for you when I have time. Thanks for the offer but I've already installed mine and, having moved house for the first time in 30+ years, have no desire to move again for sufficiently far in the future that I won't be installing my own charge point :-) OOI I just stumbled-across a relevant vid from John Ward: https://www.youtube.com/watch?v=q87H7aIujjA So I remembered correctly. "Most if not all PME etc". But basically it's going to be TT if outdoors in a domestic property. PS Apparently PV is making a comeback. -- Adam |
#43
Posted to uk.d-i-y
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Using a 16A Schuko socket
ARW wrote:
PS Apparently PV is making a comeback. But the SEG is only paying 3 to 5p a unit, and then only for what you actually export, rather than what you generate, but use yourself. |
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