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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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    BS7671 gives a specification for caravan and motor homes extension leads for connecting them to the site supply sockets,  it doesn't do that for EV charging leads does it?


    Surely there will have to be legislation and guidance in BS7671 to try and ensure that excessively long leads are used and also that there are restrictions on cables being laid across doorways creating trip hazard and across roads where vehicles will drive over them as well as being a hazard for cyclists. 


    Andy Betteridge.
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    BS7671 gives a specification for caravan and motor homes extension leads for connecting them to the site supply sockets,  it doesn't do that for EV charging leads does it?


    Surely there will have to be legislation and guidance in BS7671 to try and ensure that excessively long leads are used and also that there are restrictions on cables being laid across doorways creating trip hazard and across roads where vehicles will drive over them as well as being a hazard for cyclists. 


    Andy Betteridge.
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