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Discuss Ring main keeps tripping. Is the trip switch knackered? in the Electrical Wiring, Theories and Regulations area at ElectrciansForums.co.uk.

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  1. i_am_kingjonny
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    i_am_kingjonny Guest

    Now then, oh beautiful people who know more about electricity than me.

    Here's my problem.

    The mains for the down stairs sockets is tripping the mains earth trip. The consumer unit isn't tripping. On the dwnsocks ring (which has tripped a million times in it's life) there are 5 double outlets. One of which powers both 13A hob and 13A oven. The bloke who wired them said this was fine and he had all sorts of qualifications so I believed him, with sceptism. One of the hob rings cause a trip (on the mains again) last week (to the very bleeding day) and we isolated which ring was causing it, removing the hob knob so we didn't turn it on. We think some water got in cause I didn't seal it proppa.

    Here's what I think happened.

    The trip switch (I don't know what rating it is) is very old and has basically past it's life...do they do this? I don't know? I think when the hob tripped it last week it pushed it past the brink where it was clinging on for dear life. See the thing is, this happened when both me and brooks were asleep, and the only thing the cats may have done (I've check possibilities) is wee on a junction box, but I don't think they have. I think the trip switch has just died.

    Here's what action I think should be taken.

    Replace the trip switch with one of high enough rating that it can accept the load placed upon it.

    What I need to know before I get some bloke in to fix it, is does this scenario make sense?!


    I've been told that hob n oven should be on a separate circuit, so this I'll take action for...but in the mean time do I just have to accept I've no downstairs power till I win the lottery?!
     
  2. i_am_kingjonny
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    i_am_kingjonny Guest

    Note, it trips even when nothing is plugged in.
     
  3. T&Earth
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    T&Earth Regular EF Member

    Hi King jonny
    Have you had any work done recently? put any nails in walls recently? Check that sockets near kettles which are left to steam away (damp) RCD too sensitve!
    Best get someone in to check this out
    T&E
     
  4. wallyanker
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    wallyanker Guest

    You need the circuit in question testing properly, using the correct test equipment. Best get someone in, the mcb is tripping for a reason. Replacing it for a higher rated one like you say above is not a good idea without looking at the whole circuit. Remember, the MCB is there to protect the cable, increasing the rating without checking the cable could potentially cause more problems.
     
  5. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Top Poster Of Month

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    think the OP means it's tripping the RCD. definitely a job for a quqlified spark. if kingjonny posts his location, there may be one of us near enough to help out.
     
  6. i_am_kingjonny
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    i_am_kingjonny Guest

    Cheers guys! Leeds, Woodhouse.
     
  7. spinlondon
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    spinlondon Trusted Advisor

    Location:
    Harlow Essex
    Black Iron heating elements are renowned for tripping RCD due to earth leakage.
    The elements themselves absorb moisture from the atmosphere when not in use.
    Normally, the moisture evaporates when the element heats up.
    If too much moisture is absorbed, the element can be damaged by the water exploding into steam.
    Best bet, is to have a separate non-RCD circuit installed for the cooker, or change the cooker to a Halogen type.
    Yes it may be possible that the RCD is tired, and needs replacing.
    Only a Ramp test would be able to prove this though.
     
  8. mogga
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    mogga Just me Electrician's Arms

    OP has posted his location and he seems to understand his abilities and limits he is one of the few I hope there are some members near by him can be of assistance Im no use at dirctions but even I think Leeds is a tad far from glasgow for me
     
  9. Paul.M
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    Paul.M Trusted Advisor

    Location:
    Lost in Space
    @ I am king jonny. I'll come around and sort this out for you, doesn't sound as bad as you think.

    I've sent you a pm (private message) with my number. Give me a call if you want this sorted out. Ps a pint in the Hyde Park pub wouldn't go a miss :).
     
  10. SimpleSimon
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    SimpleSimon Guest

    Location:
    Yateley
    Stop that man he's a plumber!! lol
     
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  11. Paul.M
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    Paul.M Trusted Advisor

    Location:
    Lost in Space
    Simon what are you like :):):).

    I can also do plumbing, but I don't like doing the smelly pipes....eeerrrhhh. Leave them to the professionals LOL :).
     
  12. SimpleSimon
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    SimpleSimon Guest

    Location:
    Yateley
    I try to like plumbing, I end up not liking it when the water p1ssez out over me!!
     
    • Like Like x 2
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