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P.M.E. and Potato Peelers.

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About 2 years ago I was asked to undertake electrical work at a local chip shop/fast food outlet. I was concerned about large metal drummed wet potato peeling machines located on a wet floor in an old outbuilding and the P.M.E. earthing system. I could not devise a safe system in my mind where the large potato peeling machines positioned on a wet stone floor could be made safe with the P.M.E. earthing.


Anyway, unfortunately recently the place burned down and is now boarded up. The cause may not be electrical, but due to oil catching fire.


I have not done any work in the building at all.


Because the machines could not be effectively TT earthed I did not proceed with any work.

https://www.edp24.co.uk/news/norfolk-norfolk-fire-at-mundesley-business-7985784


Z.
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  • 0
    mapj1:

    real life data on lost neutral incidents was gathered for the IET by the  Health and Safety Labs report here..     rare, but certainly not 'never'


    The chance of injury or death is just over one in a million. Knowing my luck that will be me.


    Quote from report: "Equipotential bonding will also not provide protection to a person in good direct contact with earth (for example standing on a conductive concrete floor) whilst also in contact with the enclosure of the equipment under fault conditions."


    That was my potato peeling machines' concern as they sat on low tables on a wet brick floor that ran with water.


    Z.


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  • 0
    mapj1:

    real life data on lost neutral incidents was gathered for the IET by the  Health and Safety Labs report here..     rare, but certainly not 'never'


    The chance of injury or death is just over one in a million. Knowing my luck that will be me.


    Quote from report: "Equipotential bonding will also not provide protection to a person in good direct contact with earth (for example standing on a conductive concrete floor) whilst also in contact with the enclosure of the equipment under fault conditions."


    That was my potato peeling machines' concern as they sat on low tables on a wet brick floor that ran with water.


    Z.


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