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Do-It-Yourself (DIY) Question & Answer Forum
Running two mini consumer units from main one, as sub-circuits
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<blockquote data-quote="sandypants" data-source="post: 423940" data-attributes="member: 27961"><p>Thanks mate, that's really helpful. I should have guessed the earthing may need improving. </p><p></p><p>Changing the house RCD to a MCB is simply a case of moving the 6mm2 radial to a half of the CU not covered by the RCD?</p><p></p><p>I can't change the 6mm2 supply for the first mini-CU but I could probably stretch to supplying the 2nd min-CU with 10mm2, but for cost the radial circuit for the x4 outdoor plug sockets I may reduce this to 2.5mm and make it a ring main.</p></blockquote><p></p>
[QUOTE="sandypants, post: 423940, member: 27961"] Thanks mate, that's really helpful. I should have guessed the earthing may need improving. Changing the house RCD to a MCB is simply a case of moving the 6mm2 radial to a half of the CU not covered by the RCD? I can't change the 6mm2 supply for the first mini-CU but I could probably stretch to supplying the 2nd min-CU with 10mm2, but for cost the radial circuit for the x4 outdoor plug sockets I may reduce this to 2.5mm and make it a ring main. [/QUOTE]
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Running two mini consumer units from main one, as sub-circuits
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