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Do-It-Yourself (DIY) Question & Answer Forum
Swapping an MCB on a Hager Consumer Unit
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<blockquote data-quote="Doc Hudson" data-source="post: 415912" data-attributes="member: 1607"><p>Welcome to the forum, you say a new build? I would think that the 40amp MCBs are the correct size for the cable and installation method adopted. MCB's are selected to protect the cable from overload, just increasing the MCB without verifying the cable calculations could lead of overheating and cable damage. The safest way to proceed is to contact a local electrician to come and verify if it is safe to upgrade to 50A. This sort of work is often outside of the scope for DIY projects.</p><p></p><p>Doc H. </p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 415912, member: 1607"] Welcome to the forum, you say a new build? I would think that the 40amp MCBs are the correct size for the cable and installation method adopted. MCB's are selected to protect the cable from overload, just increasing the MCB without verifying the cable calculations could lead of overheating and cable damage. The safest way to proceed is to contact a local electrician to come and verify if it is safe to upgrade to 50A. This sort of work is often outside of the scope for DIY projects. Doc H. [/QUOTE]
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Swapping an MCB on a Hager Consumer Unit
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