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  1. pat slight
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    pat slight EF Member

    Location:
    Guildford
    Business Name:
    n/a
    Hi i hope someone has the answer to this.

    Ok we have just had a new kitchen fitted and i have installed under cabinet lighting 12 volt. It is Led strip and 1 side cabinet is 1.6 meters long and the other side is 2 meters long. I have 2 power supplies 1 for each side. they are 12 volt linked to the wall switch.

    Now my problem is about every 2 weeks when i switch them on it trips my fuse in the main fuse board. just the ground lights fuse and nothing else. the spot lights and pendents don't do this.

    The led stripe roll is 24 watts per roll and i got a 5 meter roll but used less than that. The power supply's are input 240v 50-60hz, Output 12v DC6.66A 80 watts and this has 2 12v outlets but im only using 1 each side.

    I have tried different Led strip tape but did the same.

    I have found a mention of inrush! am i right in thinking its like a sudden serge to power to the leds or power supply?

    I know my house electrics are all fine as i have had a full electrical test after my building work was finished and signed off.

    See pictures attached of whats fitted and my fuse bored. Is it possible to up-rate the ground lights fuse in the main fuse bored?

    Please help.

    Regards

    Pat Slight

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  2. Strima
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    Strima Electrician's Arms

    Location:
    St Neots
    What did the manufacturers instructions say? Or are they in the bin?
     
  3. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    Did the builders fit that non compatible rcbo for the ground floor lights.
     
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  4. buzzlightyear
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    buzzlightyear Electrician's Arms

    Location:
    star command
    when you took the pic was it spag bowl night .no it Chinese night.
     
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    • Funny Funny x 1
  5. pat slight
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    pat slight EF Member

    Location:
    Guildford
    Business Name:
    n/a
    Hi no nothing has changed in the fuse bored the rcbo is the same as before the building work. nothing else make it do this other than the under cabinet LED light

    Thank you

    Pat
     
  6. buzzlightyear
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    buzzlightyear Electrician's Arms

    Location:
    star command
    this fault was it [​IMG]giving you a headache. pinch and pull boys.
     
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    Last edited: Aug 9, 2017
  7. buzzlightyear
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    buzzlightyear Electrician's Arms

    Location:
    star command
    do you know what they say .never get court with you pants down not this forum.
     
  8. Rpa07
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    Rpa07 2000 posts - only 46379 behind Telectrix! Electrician's Arms

    Location:
    Bristol
    Business Name:
    Ebenezer electrical
    Seriously Buzz - you're the naughty child that needs to be put in the shed when the posh friends come visiting!
    Crumbs that just brought back memories!
     
  9. Rpa07
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    Rpa07 2000 posts - only 46379 behind Telectrix! Electrician's Arms

    Location:
    Bristol
    Business Name:
    Ebenezer electrical
    I opt for a dicky transformer inrush/ bridge rectifier type leakage coupled with a B6 RCBO perhaps a little sensitive. I'd at least try a regular mcb in there and go from there.
    Get a spark in to do that - disclosure over!
     
  10. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    As @westward10@westward10 has already brought attention to the RCBO and the mixing of manufacturers invalidates warranties and other things, I would add that the type of RCBO Type A instead of Type AC is the problem change the RCBO for the correct type and I believe that will be the end of your problem.
     
  11. Lee42
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    Lee42 Lee

    Location:
    England
    I agree
    A type c breaker should solve the problem.
    We tend to fit type c on lighting breakers. Helped stoped breaker tripping when a filament lamp came to the end of its life too
     
  12. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    I find it hard to believe the inrush on those strips is that high, I think as he has an A type RCBO for a.c. and pulsed d.c. whereas it would be better to have an AC type. Maybe. But yeh maybe Type C. I think if there is d.c. current knocking around the lighting tripping type A it would be better to stay with that to avoid hysteresis on AC type.
     
  13. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    It is very difficult to fit a non compatible device in Memera 2000 board and I would suggest it is sorted ASAP.
     
  14. Murdoch
    Online

    Murdoch Electrician's Arms

    Location:
    Woking
    Maybe clamp the tails to see what the leakage is across that circuit..... The led lights may have just tipped the balance.
     
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  15. davesparks
    Offline

    davesparks Trusted Advisor

    Location:
    guildford
    from the pictures I'd say this one is a pretty easy fix for a local electrician, there are a few of us on the forum in the Guildford area to choose from.
     
  16. pat slight
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    pat slight EF Member

    Location:
    Guildford
    Business Name:
    n/a
     
  17. buzzlightyear
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    buzzlightyear Electrician's Arms

    Location:
    star command
    pat slight are you trying to say some thing.
     
  18. Midwest
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    Midwest Electrician's Arms

    Location:
    Oxfordshire
    He said he fixed it ;)
     
  19. buzzlightyear
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    buzzlightyear Electrician's Arms

    Location:
    star command
    good.
     
  20. pat slight
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    pat slight EF Member

    Location:
    Guildford
    Business Name:
    n/a
     
  21. buzzlightyear
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    buzzlightyear Electrician's Arms

    Location:
    star command
    so we can put this one to bed then.
     
  22. pat slight
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    pat slight EF Member

    Location:
    Guildford
    Business Name:
    n/a
  23. buzzlightyear
    Offline

    buzzlightyear Electrician's Arms

    Location:
    star command
    good man.
     
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