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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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  • Former Community Member
    0 Former Community Member
    Yea, so I cocked up a bit then on the IR test as I only done L-E, N-E & L-N at 500v, forgot to do the L+N-E test, hopefully I didn’t cause any damage then.  ?   So all the connected loads including ALL the luminaries would’ve caused the low .42Mohms readings?


    I did how ever get my first electric shock ‘TWICE’, as I was holding the L cables in the mcb holder to tighten the little screws, my little finger brushed the incoming Live tail.  Does that make me a proper sparkie now then?  ? ? ?
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  • Former Community Member
    0 Former Community Member
    Yea, so I cocked up a bit then on the IR test as I only done L-E, N-E & L-N at 500v, forgot to do the L+N-E test, hopefully I didn’t cause any damage then.  ?   So all the connected loads including ALL the luminaries would’ve caused the low .42Mohms readings?


    I did how ever get my first electric shock ‘TWICE’, as I was holding the L cables in the mcb holder to tighten the little screws, my little finger brushed the incoming Live tail.  Does that make me a proper sparkie now then?  ? ? ?
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