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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="binky" data-source="post: 423937" data-attributes="member: 490"><p>Looks a pretty sound system, as far as overloading goes, your original 6mm is protected by a suitable MCB. Depending on total cable run distances, it may be worth extending in 10mm? You also need to consider exporting of the earthing system from the house, and possibly changing the house RCD to an MCB and installing RCD protection at the Mini-CUs for greater reliability.</p></blockquote><p></p>
[QUOTE="binky, post: 423937, member: 490"] Looks a pretty sound system, as far as overloading goes, your original 6mm is protected by a suitable MCB. Depending on total cable run distances, it may be worth extending in 10mm? You also need to consider exporting of the earthing system from the house, and possibly changing the house RCD to an MCB and installing RCD protection at the Mini-CUs for greater reliability. [/QUOTE]
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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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