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Do-It-Yourself (DIY) Question & Answer Forum
Sizing a Circuit Breaker
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<blockquote data-quote="Apache" data-source="post: 556763" data-attributes="member: 828"><p>The load on the circuit is irrelevant here - the MCB is sized to protect the cable itself. </p><p></p><p>Is this a DIY effort? Is this a new supply? Will the 130m run be used for anything else? Is there RCD protection? What is the earthing arrangement? Is this going directly into a consumer unit? How is the cable run and what specific type of cable?</p></blockquote><p></p>
[QUOTE="Apache, post: 556763, member: 828"] The load on the circuit is irrelevant here - the MCB is sized to protect the cable itself. Is this a DIY effort? Is this a new supply? Will the 130m run be used for anything else? Is there RCD protection? What is the earthing arrangement? Is this going directly into a consumer unit? How is the cable run and what specific type of cable? [/QUOTE]
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Sizing a Circuit Breaker
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