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Pme & Tt Earthing
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<blockquote data-quote="ProDave" data-source="post: 345715" data-attributes="member: 6969"><p>So DB1 is the original DB</p><p></p><p>DB2 sounds like an addition either because there was no spare capacity, or someone wanted a 30mA rcd on the new circuits.</p><p></p><p>DB3 is the off peak CU.</p><p></p><p>All from the same supply.</p><p></p><p>So the SUPPLY is TNCS already.</p><p></p><p>It's just that for some odd reason DB1 is not connected to the TNCS earth and connected to a rod instead.</p><p></p><p>So as the TNCS earth is there, why not just connect DB1 to it? I don;t see where DNO involvement is required.</p><p></p><p>Or am I missing something?</p></blockquote><p></p>
[QUOTE="ProDave, post: 345715, member: 6969"] So DB1 is the original DB DB2 sounds like an addition either because there was no spare capacity, or someone wanted a 30mA rcd on the new circuits. DB3 is the off peak CU. All from the same supply. So the SUPPLY is TNCS already. It's just that for some odd reason DB1 is not connected to the TNCS earth and connected to a rod instead. So as the TNCS earth is there, why not just connect DB1 to it? I don;t see where DNO involvement is required. Or am I missing something? [/QUOTE]
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