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EV car parked within 2.5m of metal fence

Dean Williams

Hi All

I've attached a photo of a proposed EV charger position that will be fitted 2.5m from the LH metal fence (which is very long and surrounds the perimeter of the compound), however the parked car will most likely be parked within 2.5m in reality.

Details/concerns are:

3 phase PME supply

The metal fence reads 55 ohms to the MET

The EV charger will have PEN protection

Bonding the fence could pose a worse situation 

currents could circulate in ground

PME services underground.

Would designating the car position at 2.5m from the fence with ground painting and signage be acceptable? 

Is TT the only option even though underground services could be present.

Some people have said the PEN fault protection will be acceptable and not to bond.

If the IET gods could help it would be most appreciated.

Parents
  • 0

    Full compliance with guidance, yes, go for it, but I wonder where the risk actually sits. I doubt very much that if the EVSE was there before the fence was erected, those erecting the fence afterwards would have any regard for the issues that could arise. Indeed, it is unlikely that CCTV chaps or even the electrician fitting lights to such a fence would take it under their notice. Even the most diligent compliance with the COP can be compromised by what happens the next day. 

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  • 0

    Full compliance with guidance, yes, go for it, but I wonder where the risk actually sits. I doubt very much that if the EVSE was there before the fence was erected, those erecting the fence afterwards would have any regard for the issues that could arise. Indeed, it is unlikely that CCTV chaps or even the electrician fitting lights to such a fence would take it under their notice. Even the most diligent compliance with the COP can be compromised by what happens the next day. 

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