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Student & Learning Zone - City & Guilds
Exporting PME
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<blockquote data-quote="boltonsparky" data-source="post: 501716" data-attributes="member: 4678"><p>It's a whole can of worms this, and getting sparks to agree on whether or not an outbuiding, hot tub or anything else being powered externally to the main supplied building should use the suppliers PME or be TT'd is akin to trying to solve the middle east troubles. </p><p></p><p>There are pros and cons to both, it's very much dependant on the site and it rears its head whenever a outbuilding, hot tub or EV charger is mentioned. Banging earth rods in at will can introduce its own issues, particularly where PME supplies are used. Some DNOs allow you to export the PME others don't, that's if you contact them about it at all. </p><p></p><p>Have a look for John Ward on youtube, he does a video on earthing outbuidings. There is also a good one on EV charging installs and the dangers of TN-C-S sytems by him too. </p></blockquote><p></p>
[QUOTE="boltonsparky, post: 501716, member: 4678"] It's a whole can of worms this, and getting sparks to agree on whether or not an outbuiding, hot tub or anything else being powered externally to the main supplied building should use the suppliers PME or be TT'd is akin to trying to solve the middle east troubles. There are pros and cons to both, it's very much dependant on the site and it rears its head whenever a outbuilding, hot tub or EV charger is mentioned. Banging earth rods in at will can introduce its own issues, particularly where PME supplies are used. Some DNOs allow you to export the PME others don't, that's if you contact them about it at all. Have a look for John Ward on youtube, he does a video on earthing outbuidings. There is also a good one on EV charging installs and the dangers of TN-C-S sytems by him too. [/QUOTE]
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Exporting PME
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