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Do-It-Yourself (DIY) Question & Answer Forum
TT Submain Design
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<blockquote data-quote="Hefferl" data-source="post: 499324" data-attributes="member: 2471"><p>I need to install to a remote building approx 3m away.</p><p></p><p>The supply at the main building is TT</p><p></p><p>The main building is NOT a dwelling.</p><p></p><p>Is this a sensible design?</p><p></p><p>Henley Block --&gt;<strong> <em>PVC Tails</em></strong> --&gt; Insulated enclosure with 100mA S type RCD --&gt;<em> <strong>PVC Tails</strong> --&gt; </em>Metal switch fuse --&gt; <strong>SWA</strong> --&gt; Remote Metal CU &amp; 30mA RCBOs</p><p></p><p>And bearing in mind short distance, would you go with</p><p></p><p>2 Core SWA and extra earth rod at new building </p><p></p><p>3 core SWA no extra rod</p><p></p><p>3 core SWA and extra rod</p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="Hefferl, post: 499324, member: 2471"] I need to install to a remote building approx 3m away. The supply at the main building is TT The main building is NOT a dwelling. Is this a sensible design? Henley Block -->[B] [I]PVC Tails[/I][/B] --> Insulated enclosure with 100mA S type RCD -->[I] [B]PVC Tails[/B] --> [/I]Metal switch fuse --> [B]SWA[/B] --> Remote Metal CU & 30mA RCBOs And bearing in mind short distance, would you go with 2 Core SWA and extra earth rod at new building 3 core SWA no extra rod 3 core SWA and extra rod Thanks [/QUOTE]
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