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Discuss Testing old cu before changing in the Periodic Inspection Reporting & Certification area at ElectrciansForums.co.uk.

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  1. Kelrich
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    Kelrich Regular EF Member

    Location:
    county durham
    Morning everyone
    whats the best route to take when testing an old consumer unit before an upgrade, ive only done a small amount of testing and really want to get to grips with it all, I am starting the 2392 after xmas but would like to know if theres a certain plan you guys stick to when your testing for faults before upgrading, what you test first and why etc, sorry if this sounds stupid but if you dont ask you wont ever know
    thanks
     
  2. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    IR test all circuits to ensure you nice new RCDs won't trip. test for a borrowed neutral. mark up cables as i take them out. check earthing and bonding. OH, and most important, before switching off, boil kettle and fill a flask or 2.
     
    • Like Like x 3
  3. Guest123
    Online

    Guest123 Guest

    Ze, I/R & RFC continuity.:cool3:


    Unless they are willing to pay for a full PIR beforehand.
     
    • Like Like x 1
  4. Toonlad
    Offline

    Toonlad Electrician's Arms

    Location:
    Newcastle
  5. Kelrich
    Offline

    Kelrich Regular EF Member

    Location:
    county durham
    Thanks fellas

    Got my new toy from test-meter today and wanted to play with it, the metrel mi300 a bargain and got £17 off for being a forum member so thanks for that. The CU im changing is the wife's Grandfathers which im doing for free for my assessment, its a knackered, old rewireable fuse box...its older than grass :)
    Just wanted to get everything perfect for the day of assessment so thanks lads for your advice.
     
  6. Kelrich
    Offline

    Kelrich Regular EF Member

    Location:
    county durham
    sorry that was meant to say metrel mi3000 btw
     
  7. ezzzekiel
    Online

    ezzzekiel Guest

    never used one but imagine it does what it says on the tin, i tend not to bother with pre testing these days and just sort problems afterwards as long as customer is pre warned of any additional work (obviously this is an experience thing not much point if its gonna take another week to put right)
     
  8. High Tower
    Offline

    High Tower Trusted Advisor

    Location:
    Birmingham
    Something I am seeing more and more is broken rings that the client won't pay for remedial works to find and repair, so I find myself more and more having to down grade to a 20A mcb and treat it as 2 radials on 1 mcb. It's not ideal but more often it's proving to be my only option.
     
    • Like Like x 1
  9. Kelrich
    Offline

    Kelrich Regular EF Member

    Location:
    county durham
    Thanks for your replies lads Iam going to test it today and i,ll put my results on here to see what yous think, fingers crossed theres no problems
     
  10. telectrix
    Offline

    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    look out for split RFCs. borrowed neutrals, outside lights etc., which may be affected by water, be careful not to IR sensitive equipment L/N.
     
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