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Do-It-Yourself (DIY) Question & Answer Forum
Secondary consumer unit
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<blockquote data-quote="jumpjamesjump" data-source="post: 482613" data-attributes="member: 30868"><p>thank you for your reply. </p><p></p><p>I am planning to get someone qualified to sign it off. </p><p></p><p>I'm just wondering how you would go about sizing the MCB on the original consumer unit that feeds the secondary. </p><p></p><p>Would you prefer 40amps or 50amp? I think 63amp is too big due the cable being only 6mm SWA</p><p></p><p>thanks for your time</p></blockquote><p></p>
[QUOTE="jumpjamesjump, post: 482613, member: 30868"] thank you for your reply. I am planning to get someone qualified to sign it off. I'm just wondering how you would go about sizing the MCB on the original consumer unit that feeds the secondary. Would you prefer 40amps or 50amp? I think 63amp is too big due the cable being only 6mm SWA thanks for your time [/QUOTE]
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Secondary consumer unit
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