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Recommended checks before CU change

Former Community Member
Former Community Member
As most of you know I’ve only been qualified for just over a year and I’ve got a quote to do for a cu upgrade.


I know I’m nowhere experienced enough to do EICR’s yet, but what would you guys recommend I check/test before doing the cu upgrade and should I do these checks/tests at the quote stage?
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    ebee:

    Well Zoom I have seen a few times a ring with no sockets then each socket is on a spur via a JB from that ring.

    Not the most elegant of solutions and breaks with recommended practice of no more points on spurs than points on ring, but no worse than any spur on a ring on a 30/32A OPD all told.



    I have a rewire to do where the current arrangement appears to be a ring for the first floor sockets and spurs to the sockets below. If I am lucky, the cable drops will be capped and it may be possible to pull new ones up whilst extracting the old ones. However, it seems unlikely that both legs of a ring could fit into the available space. Time will tell!
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  • 0

    ebee:

    Well Zoom I have seen a few times a ring with no sockets then each socket is on a spur via a JB from that ring.

    Not the most elegant of solutions and breaks with recommended practice of no more points on spurs than points on ring, but no worse than any spur on a ring on a 30/32A OPD all told.



    I have a rewire to do where the current arrangement appears to be a ring for the first floor sockets and spurs to the sockets below. If I am lucky, the cable drops will be capped and it may be possible to pull new ones up whilst extracting the old ones. However, it seems unlikely that both legs of a ring could fit into the available space. Time will tell!
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