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Electrical Inspection & Testing Forum
Single Point of Isolation
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<blockquote data-quote="davetheglitz" data-source="post: 2749" data-attributes="member: 173"><p>Can anyone help me with with understanding the regs on this - and how to score it on a PIR.</p><p></p><p>I did a PIR the other day and found the main fuse concealed behind a panel (with MET) and six seperate CUs all fed from Henley blocks.</p><p></p><p>My gut feeling is that in the event of an emergency you should be able to shut the whole system off easily and withdraw the fuse - but I can't find the regs to support this.</p><p></p><p>Is 'the single point of isolation' referring to the mains incomer - or just any group of circuits fed from a CU?</p><p></p><p>Can the fuse be considered as a point of isolation - and if it's not easily accessible is that covered by any regs?</p><p></p><p>How would you record this on a PIR?</p><p></p><p>Thanks</p><p></p><p>Dave</p><p></p><p>PS - love the idea of the forum - and it seems pretty slick - but is there a way of checking on the lates posts rather than date by thread?</p></blockquote><p></p>
[QUOTE="davetheglitz, post: 2749, member: 173"] Can anyone help me with with understanding the regs on this - and how to score it on a PIR. I did a PIR the other day and found the main fuse concealed behind a panel (with MET) and six seperate CUs all fed from Henley blocks. My gut feeling is that in the event of an emergency you should be able to shut the whole system off easily and withdraw the fuse - but I can't find the regs to support this. Is 'the single point of isolation' referring to the mains incomer - or just any group of circuits fed from a CU? Can the fuse be considered as a point of isolation - and if it's not easily accessible is that covered by any regs? How would you record this on a PIR? Thanks Dave PS - love the idea of the forum - and it seems pretty slick - but is there a way of checking on the lates posts rather than date by thread? [/QUOTE]
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