Search results

  1. B

    MCB tripping at random times

    1K, but I think I may have found the problem, i'll explain below.
  2. B

    MCB tripping at random times

    As far as I could tell I had everything on the circuit unplugged or disconnected except this dishwasher I can't get to, which was not turned on and doesn't trip the fuse when it is. The wiring seems a little unorthodox as there's only one cable coming out of the box for what should be a ring...
  3. B

    MCB tripping at random times

    I tried swearing at the MCB and threatened it with a neon test screwdriver, but to no avail.
  4. B

    MCB tripping at random times

    Nope, K rather than M, but it does have an infinity symbol which I gather is fairly large. It's a pretty old analogue one. Basically i was taking a good result to be when the needle barely twitched past infinity, and a bad result to be when it skipped over to the far end.
  5. B

    MCB tripping at random times

    Hi all, hope you can shed some light on an odd problem a friend of mine is having. The CU is an older one from Hager, main switch and MCBs, no RCD, with an isolator switch before the CU. The CU was replaced a few years back (old one still had fuse wire) on the existing wiring, which must be...
Back
Top