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Student & Learning Zone - City & Guilds
Adding non protected MCB to a duel RCD board
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<blockquote data-quote="Traineeboy" data-source="post: 519548" data-attributes="member: 32807"><p>If you have a garage board with a main switch not an RCD but then if it is supplied from a MCB from the house CU that Is on a RCD. Would this not be poor selectivity/discrimination as if the garage had a fault it would knock out half the house ? That’s what the chap I was with said or is he being over the top ? </p></blockquote><p></p>
[QUOTE="Traineeboy, post: 519548, member: 32807"] If you have a garage board with a main switch not an RCD but then if it is supplied from a MCB from the house CU that Is on a RCD. Would this not be poor selectivity/discrimination as if the garage had a fault it would knock out half the house ? That’s what the chap I was with said or is he being over the top ? [/QUOTE]
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Student & Learning Zone - City & Guilds
Adding non protected MCB to a duel RCD board
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