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Cable size

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Answers

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    #32
    hayse
    Registered Users Posts: 247 ✭✭hayse


    My last post was based on a post you have edited you composed 2011. It’s difficult to have a discussion if you are changing your posts.



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    #33
    2011
    Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,596 Mod ✭✭✭✭2011


    The OP’s electrician has seen this and has concluded that an MCB with a 20A rating is suitable. I would think that he/ she is best placed to make that call.

    A minimum of 50A is based on absolutely nothing.



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    #34
    kirk.
    Registered Users Posts: 4,957 ✭✭✭kirk.


    https://www.boards.ie/discussion/comment/119093154#Comment_119093154

    There's only 1 operator

    You don't need to double the capacity when you add an appliance or a machine here as it's only a domestic shed

    There probably isn't 50amp spare capacity for the shed anyway because the house is already part of the load on a likely 12kva ESBN supply

    You seem to be a bluffer anyway making up numbers and arguments



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    #35
    hayse
    Registered Users Posts: 247 ✭✭hayse


    https://www.boards.ie/discussion/comment/119095725#Comment_119095725

    Live in the real world now, you have to allow for expansion, winter time the op may introduce a heater, a kettle may be brought. He might have someone who wants to use their own tools if they are working on a project together.

    50 amps may be over the top but they would want 40 anyway.



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    #36
    2011
    Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,596 Mod ✭✭✭✭2011


    https://www.boards.ie/discussion/comment/119096576#Comment_119096576

    The real world is none of us have seen this therefore we only have the OP's information to guide us:

    1) The OP described the load as "A couple of socket outlets. Light and Small Tools only. Max 15amp. Haven’t installed the cb yet."

    2) The OP's electrican has slected a protective device rated at 20A.

    3) This has been described as a "garage/shed" by the OP, not a commercail workshop where people bring their own tools.


    If this is a 50A laod as you have advised then it requries a dedicated supply from the ESB. I suspect that this is nto a road that the OP wants to go down.



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    #37
    hayse
    Registered Users Posts: 247 ✭✭hayse


    You’re right.



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    #38
    DonalOF
    Registered Users Posts: 10 ✭DonalOF


    Thanks everyone for comments. Time to let it go now. Going with my Electrician’s recommendations.



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    #39
    kirk.
    Registered Users Posts: 4,957 ✭✭✭kirk.


    https://www.boards.ie/discussion/comment/119096576#Comment_119096576

    I know you're both a logician and a mathematician as you claim so I respect that

    You do know you don't add up the appliances to get the power requirement ya ? Especially as it's just a domestic shed with 1 user, not to mention the additional cost of 100m of cabling and the fact that this 40-50amp of capacity may not even exist at the supply end



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    #40
    hayse
    Registered Users Posts: 247 ✭✭hayse


    Kirk you are correct I’m wrong.



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    #41
    DonalOF
    Registered Users Posts: 10 ✭DonalOF


    My first time posting on Boards.ie😂



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    #42
    2011
    Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,596 Mod ✭✭✭✭2011


    The OP’s question has been answered and the OP has taken the sensible approach of hiring a Registered Electrical Contractor.

    Everyone that has contributed is on the same page now.

    I think we can leave it at that.



This discussion has been closed.
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