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Electrician Talk Forum
Pme again with workshop help please
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<blockquote data-quote="Sidewinder" data-source="post: 412222" data-attributes="member: 9512"><p>The only thing with that is then you have two different earthing systems accessible.</p><p></p><p>The TN-C-S at the SWA gland into the insulating box, and the TT for the rest of the building, so you could have a potential difference between the two, and a potential for a current flow, with no protective device to prevent shock and ensure ADS...</p></blockquote><p></p>
[QUOTE="Sidewinder, post: 412222, member: 9512"] The only thing with that is then you have two different earthing systems accessible. The TN-C-S at the SWA gland into the insulating box, and the TT for the rest of the building, so you could have a potential difference between the two, and a potential for a current flow, with no protective device to prevent shock and ensure ADS... [/QUOTE]
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Pme again with workshop help please
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