n-e fault

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  1. M

    N-E fault bank holiday ruined

    Hi all , after some opinions on N-E fault or ring main. After chasing this fault and ruining my bank holiday weekend , ring main IR readings as follows L-E >999 L-N>999 N-E>0.98Mohm I have narrowed it down to a cable spurred from ring main , astonishingly the 3no. Cables in the twin...
  2. happysteve

    RCBO energised despite N-E short... until the power was cycled...

    The bit where I cut to the chase is in bold below if you can't be bothered with the back story. Changing MCB in main house DB for garage supply, so turned off at main switch. Contactum metal DB (about 4 years old), 2x MCBs for existing feeds to sub boards, the rest RCBOs (full height, single...
  3. S

    Strange N-E fault on armoured cable supply to sub-main

    I've installed a garage consumer unit sub-main to an outbuilding in 16mm 3 core armoured, the insulation tests all come back fine - +800Mohms on a 500 volt test but when I power up the installation I get 90 volts leaking to Earth from Neutral and i'm not sure why. The Garage RCD also doesn't...
  4. T

    Filling out a minor works N-E Fault

    Hi so whats the best way to go about this? Added 3 lighting points to an existing lighting circuit, the fuseboards old with no rcd. Upon completion of testing , all tests okay apart from N-E on insulation test. My additional wiring tests okay on everything but the existing circuit contains...
    • tomodo
    • Thread
    • additional circuit fault filling lighting minor n-e fault out tests wiring works
    • Replies: 13
    • Forum: UK Electrical Forum
  5. B

    N-e fault on non RCD side of db tripping RCD???

    As above... Possible?

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