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Hob causing new fuse board to trip?

Discussion in 'Electrics UK' started by Steve01245, 4 May 2016.

  1. Steve01245

    Steve01245

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    Hey guys, hope you can help out. I have recently purchased a rental property and needed a new fuse board to meet current regulations for renting. The flat came with a built in oven, and a separate hob on top. Since the new fuse board was installed, the oven and hob started tripping the power as soon as you turn either of them on. I pulled out the oven and found that both the oven and hob go into the same junction box. So I first disconnected the hob from the junction box, turned the oven on and it turned on fine and stayed on. Then I disconnected the oven, connected the hob, and when I turned the hob on it tripped the power again as it did before. So the problem is with the hob, but that's as far as my electrical knowledge goes. Does it sound like I just need a new hob? I should mention that they both worked fine before the new fuse board. I'm assuming the hob is perhaps too "unsafe" for the new fuse board?

    Thanks for reading, Steve.
     
  2. EFLImpudence

    EFLImpudence

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    You're new board no doubt has RCDs which detect more than what you had before - neutral to earth faults.
    A good idea when the fault flows through people.

    It could be just one of the elements.
    You could find which one with test instruments you are unlikely to have.

    Get the electrician to come back.
    He may not be expected to have noticed such a fault.
     
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  4. Simon35

    Simon35

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    What size is the breaker thats tripping?

    Is it an induction hob?

    I would be asking the electrician who installed the new board to comment.
     
  5. flameport

    flameport

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    Unless this hob is relatively new and a fairly expensive type, just buy a new one.
    Attempting to locate a fault on it, dismantling and fitting new part(s) will most likely cost more than a new hob. Plus if one element has failed, the others are likely to do the same.
     
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  7. Spark123

    Spark123

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    What is written on the device which is tripping? Does the device have a test button?
     
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