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Discuss Will a 10mm PYRO take 80 amps ? in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. sycamore89
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    sycamore89 Guest

    Hi,

    I need to change the main incoming fuse from 60A to 80A but there is a 10mm pyro feeding the property and i dont really want to replace this. The reason I need to up the supply to 80A as I am installing a sunbed which runs at 40A single phase. The load will never constantly be running at 80A so thought that the 10mm pyro would be sufficent.

    Property has 2 rings with only a few computers and hairdryers etc.... has no oven but 1 microwave so not much load on any other circuits.

    Would this be ok ?
     
  2. Heisenberg
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    Heisenberg Regular EF Member

    Location:
    London
    As with most things of this nature, it very much depends on the reference method used for installation. Some allow higher than 80A, some don't.

    But you shouldn't be messing about with the main fuse anyway, that's a job for the DNO.
     
    Last edited: Feb 24, 2012
  3. bugsy
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    bugsy Guest

    82a lsf sheath 74a bear without correction factors
     
  4. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    is that yogi bear or pudsey?
     
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  5. sycamore89
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    sycamore89 Guest

    Thanks bugsy

    Telectrix ?????
     
  6. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    bugsy said "bear"
     
  7. mogga
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    mogga Just me Electrician's Arms

    WHY are YOU changing the DNO fuse? WHY have you pulled the DNO fuse ? Have you asked the DNO if their supply cable can take the rise in loading? Are you an electrician ?
     
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  8. sycamore89
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    sycamore89 Guest

    I have not pulled the DNO fuse yet but I will do for safe isolation while I change the cu! Property is fed by a 25mm SWA! And no I'm not a sparks I'm a plumber !!!
     
  9. parker56
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    parker56 Guest

    Take cover incoming:59:
     
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  10. Bubblecraft
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    Bubblecraft Electrician's Arms

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    Erskine
    Oh oh...this threads gonna get nasty lol
     
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    Last edited: Feb 25, 2012
  11. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    so WTF are you attempting a procedure that is illegal for qualified sparks to do, let alone a wet-head
     
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  12. Heisenberg
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    Heisenberg Regular EF Member

    Location:
    London
    The property in question is obviously a commercial one, and will consequently not be covered by part pee. Therefore if the owner thinks its ok to employ a plumber to do electrical work, then that is their problem. Can't see the insurance paying out when it burns down though :devilish:
     
  13. Knobhead
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    Knobhead Guest

    This has got to be a wind up!
     
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  14. mogga
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    mogga Just me Electrician's Arms

    IF you ahvent yet pulled the fuse HOW do you know its rated at 60a ?? as telex said what your proposing is ILLEGAL and this is an OPEN forum
     
  15. sycamore89
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    sycamore89 Guest

    Because it says 60A on the fuse carrier !
     
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