hi i was wondering can anyone tell me, if your meter does not hold a connection for connecting neutral to earth can you make then connection yourself using line taps and does the connection have to be outside the house any info would be grat thanks.
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No you can't. The earthing system for each transformer has to be the same for all users on that transformer so a supply authority has to make the decision as to what type of earth system you have.
If you neighbour has a TN-C-S system then you can likely have the same but you need to ask correct questions.
It is up to the supply authority as I say to decide what system you have and you can phone them as ask them to tell you what system you should have. If you tell them your neighbour has TN-C-S then normally their only option is to send someone out to check. And then it is likely they will give you a TN-C-S system.
But be aware with earth rods you only need 6mm earth cables but with TN-C-S you need 10mm cables and that is up to you to provide.
As Eric says the whole area must be declared PME/TN-C-S and can't be done adhoc.
In an area of PME the Neutral/Earth is joined at sub-station, and every 3rd pole along road, this can be easily verified be looking at the poles for earth bond from N cable down pole to earth plate.
Further, although phase cables may have line taps the N will be crimped as the risk of losing N would mean also losing E which is unacceptable.
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