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Discuss Need a bit of help please in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. Grant collison
    Offline

    Grant collison EF Member

    Location:
    Essex
    Business Name:
    GRL
    hi all I have been given a
    3-phase + N supply for a 27kw industrial supply to a isolator , I’m awaiting a reply on what is going to be used on the output side but what sort of size cable and type would you all use as it’s enclosed in a thermal wall in conduit and it’s an industrial kitchen,
    Could someone please calculate the
    Size of cable and a suggestion of what type of cable to use please, many thanks all
     
    • Optimistic Optimistic x 3
  2. Murdoch
    Offline

    Murdoch Electrician's Arms

    Location:
    Woking
    Out of interest, what have you calculated you need?
     
    • Optimistic Optimistic x 2
  3. Pete999
    Online

    Pete999 Trusted Advisor

    Location:
    Northampton
    Business Name:
    None
    Not with that sort of information
     
    • Like Like x 1
  4. wirepuller
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    wirepuller Trusted Advisor

    Location:
    south uk
    Going to be an expensive ball ache if the install is not right with that sort of load. I'd suggest asking a forum for a design is not ideal practice, if you are unable to design yourself it would be preferable to pass it on to someone who is.
     
    • Agree Agree x 7
  5. Lucien Nunes
    Offline

    Lucien Nunes Mercury Arc Rectifier Trusted Advisor

    Location:
    London
    Sort of medium size.
    An electrical one.

    Protip: For simple linear calculations use the same degree of precision when presenting the results of a calculation, as is present in the supplied data.
     
    • Agree Agree x 2
    • Winner Winner x 2
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  6. DPG
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    DPG Electrician's Arms

    Location:
    S Yorkshire
    Got to be a wind up this one.
     
    • Funny Funny x 1
  7. Strima
    Offline

    Strima Electrician's Arms

    Location:
    St Neots
    My consultancy fees are £129.99 for the first hour then £89.99 per hour after that for design work.

    Cash in advance.
     
    • Like Like x 2
  8. TonyMitchell
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    TonyMitchell Regular EF Member

    Location:
    Berkshire, UK
    @OP - your question looks like homework you can't be bothered to do. You will get a better forum response if you show your calculations, thoughts and reasonings. Someone then may be prepared to look it over and comment.
     
    • Like Like x 2
    • Optimistic Optimistic x 1
  9. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Top Poster Of Month

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    or cheques made out to Care at Strima's House. if that won't fit on the cheque just use the initials .....C.A.S.H.
     
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  10. Strima
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    Strima Electrician's Arms

    Location:
    St Neots
    My carer says I might be let out on my own next week as the charges have been dropped...
     
  11. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Top Poster Of Month

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    had my charges droppes as well. was arrested by a very attractive wpc. she said"anything you say will be taken down" i said "knickers".
     
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  12. Grant collison
    Offline

    Grant collison EF Member

    Location:
    Essex
    Business Name:
    GRL
    Well sounds like an asshole group to be honest
     
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  13. DPG
    Offline

    DPG Electrician's Arms

    Location:
    S Yorkshire
    Could you clarify what you mean - you're sentence structure and grammar isn't very good here.
     
    • Funny Funny x 1
  14. SparkyChick
    Online

    SparkyChick Making a banana smoothy for my fave gorilla Staff Member Trusted Advisor

    Location:
    South Wales
    Business Name:
    SparkyChick
    And I think you're missing the point of what the guys have said.

    Come on and ask 'Work this out for me' and we'll all generally not pay too much attention because either (a) it's a homework question or (b) you just can't be arsed to put any effort in to a job your being paid to do.

    Come on and ask 'I've got this job to do and this is what I'm planning' or 'I've got this homework question, this is what I've got so far', showing your calcs etc. and you're more likely to get a sensible critique and assistance.

    I know this to be true, because (feel free to correct me chaps) I've always used the later approach and the assistance and advice I've received has always been stellar. Sometimes not what I wanted to hear, but what I needed to hear.

    So my advice to you is, take the subtle (OK, maybe not so subtle in some cases) hints and work out what your plan is and then post that with your calcs and ask for some feedback on that. Posting insults will get you nowhere except maybe to the bottom of the list of people to help out.
     
    • Like Like x 8
  15. Strima
    Offline

    Strima Electrician's Arms

    Location:
    St Neots
    Ask a half arsed question, get a half arsed answer.

    How long is the cable run?

    How far is it run in insulation?

    What is the ambient temperature?

    What type and curve of OCPD is required?

    What are the earthing arrangements?

    Inductive or resistive load?
     
    • Like Like x 3
    • Agree Agree x 1
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