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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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  • 0
    Is the incoming water pipe metal?


    I have always found for domestic lights, even fluorescent types, a B6 M.C.B. is fine. I normally use B types of M.C.B.s for all circuits in a house, unless there is a big electric welder or similar load.


    Z.
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  • 0
    Is the incoming water pipe metal?


    I have always found for domestic lights, even fluorescent types, a B6 M.C.B. is fine. I normally use B types of M.C.B.s for all circuits in a house, unless there is a big electric welder or similar load.


    Z.
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