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IS 201 cables

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  • 15-05-2019 10:01am
    #1
    lleyn
    Registered Users Posts: 16 ✭


    Is it possible to get new IS-201 1,5sq twin and earth in brown/brown with the full size insulated conductor.
    Or are people just using two 1.5sq pvc/pvc brown cables and an 1.5sq pvc earth for two way switching?
    Similar for 1.5sq brown earth with a full size insulated conductor.

    Looking online at cable manufacturers websites it would appear not, but the lads here who are in the house wiring game might know?
    I’m out of the country so can’t ring a wholesalers until next week.


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    #2
    Risteard81
    Registered Users Posts: 2,567 ✭✭✭Risteard81


    Easy to get twin brown. Not had any difficulty whatsoever getting it.

    Also have brown and Earth and blue and Earth.

    1.5mm^2 green/yellow singles are not permissible outside containment. 2.5mm^2 is required for lighting circuits and 4mm^2 for other uses.


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    #3
    lleyn
    Registered Users Posts: 16 ✭lleyn


    Risteard81 wrote: »
    Easy to get twin brown. Not had any difficulty whatsoever getting it.

    Also have brown and Earth and blue and Earth.

    1.5mm^2 green/yellow singles are not permissible outside containment. 2.5mm^2 is required for lighting circuits and 4mm^2 for other uses.

    Thanks for that!


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    #4
    heffo500
    Registered Users Posts: 963 ✭✭✭heffo500


    Do we use 1.00 square twin and earth in Ireland? Seems very popular in the UK but not sold here.


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    #5
    Risteard81
    Registered Users Posts: 2,567 ✭✭✭Risteard81


    heffo500 wrote: »
    Do we use 1.00 square twin and earth in Ireland? Seems very popular in the UK but not sold here.
    It's permitted by BS7671 for lighting circuits. However, though common in England no wholesalers in the north stock it and 1.5mm^2 is pretty much exclusively used there for these purposes.

    ET101 requires a minimum of 1.5mm^2 so there is no application that I can think of for its use, hence you won't find it.


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    #6
    Jaklmex
    Closed Accounts Posts: 40 ✭Jaklmex


    Risteard81 wrote: »
    Easy to get twin brown. Not had any difficulty whatsoever getting it.

    Also have brown and Earth and blue and Earth.

    1.5mm^2 green/yellow singles are not permissible outside containment. 2.5mm^2 is required for lighting circuits and 4mm^2 for other uses.

    What regulation is that?
    1.5mm^2 green/yellow singles are not permissible outside containment.


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    #7
    heffo500
    Registered Users Posts: 963 ✭✭✭heffo500


    Risteard81 wrote: »
    It's permitted by BS7671 for lighting circuits. However, though common in England no wholesalers in the north stock it and 1.5mm^2 is pretty much exclusively used there for these purposes.

    ET101 requires a minimum of 1.5mm^2 so there is no application that I can think of for its use, hence you won't find it.

    Surely 1mm^2 would be sufficient for a lot of domestic lighting circuits now given the use of LED lights?


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    #8
    Hintel
    Closed Accounts Posts: 110 ✭✭Hintel


    Risteard81 wrote: »

    1.5mm^2 green/yellow singles are not permissible outside containment.

    2.5mm^2 is required for lighting circuits

    Where are you getting this info?


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    #9
    Risteard81
    Registered Users Posts: 2,567 ✭✭✭Risteard81


    Hintel wrote: »
    Where are you getting this info?
    ET101 as I mentioned in my post.


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    #10
    Hintel
    Closed Accounts Posts: 110 ✭✭Hintel


    Risteard81 wrote: »
    ET101 as I mentioned in my post.

    Can you be more specific

    Page ? regulation?


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    #11
    Risteard81
    Registered Users Posts: 2,567 ✭✭✭Risteard81


    Hintel wrote: »
    Can you be more specific

    Page ? regulation?
    Give me a chance and I'll dig out the Rule book.


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    #12
    Risteard81
    Registered Users Posts: 2,567 ✭✭✭Risteard81


    Rule 543.1.3


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    #13
    Hintel
    Closed Accounts Posts: 110 ✭✭Hintel


    Risteard81 wrote: »
    Rule 543.1.3

    I read that

    I'm not fully convinced that means 1.5 singles are not permitted outside containment

    The wording is" protected against mechanical damage"


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    #14
    Risteard81
    Registered Users Posts: 2,567 ✭✭✭Risteard81


    Hintel wrote: »
    I read that

    I'm not fully convinced that means 1.5 singles are not permitted outside containment

    The wording is" protected against mechanical damage"
    That's precisely what it means.


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    #15
    Hintel
    Closed Accounts Posts: 110 ✭✭Hintel


    Risteard81 wrote: »
    That's precisely what it means.

    Are they not protected against mechanical damage in a ceiling void, for example?


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    #16
    Risteard81
    Registered Users Posts: 2,567 ✭✭✭Risteard81


    Hintel wrote: »
    Are they not protected against mechanical damage in a ceiling void, for example?
    No. The cables wouldn't be mechanically protected in that instance without further protection (e.g. conduit or trunking).


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    #17
    Hintel
    Closed Accounts Posts: 110 ✭✭Hintel


    Risteard81 wrote: »
    No. The cables wouldn't be mechanically protected in that instance without further protection (e.g. conduit or trunking).

    I guess they prob mean the same thing so


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