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PME vs TT for charger

garywwess
Can someone please explain in common scence English (this has to be explained to a customer) ..  why it is permissible for a street light , which in itself is basically a big metal earth rod buried 5 feet in the ground.. is allowed to be PME`d  (customer used to install street lights) yet his charger has to be TT`d  and isolated from the PME at all costs..  his parking space has a street lamp smack in the middle of it ???  I neither agree or disagree with the instructions to do so… just need something in writing to show the customer to prove im not just generating extra income needlessly..

Gary
 
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    mapj1:

    Early adopters may not care, those of us in the second tier who like to buy a five  year old car and run it for another ten may be a different story.




    That's me (or that is I for the pedants in here - you know who you are ? ). For me, the economics do not favour an electric car at the moment, let alone the old VHS/Betamax conundrum, but I have a spare 3-phase 32 A MCB standing by. ?

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    mapj1:

    Early adopters may not care, those of us in the second tier who like to buy a five  year old car and run it for another ten may be a different story.




    That's me (or that is I for the pedants in here - you know who you are ? ). For me, the economics do not favour an electric car at the moment, let alone the old VHS/Betamax conundrum, but I have a spare 3-phase 32 A MCB standing by. ?

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