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aging an installation.

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  • 27-07-2010 10:50pm
    #1
    Clonganny
    Registered Users Posts: 10 ✭


    I am trying to determine the approximate age of an installation.
    The cables are pvc twin and earth. Red and black colours. The earth going to the cylinder seems to be a 4 or 6 sq not too sure. The boxes in the wall are pvc.The board is a crabtree type with no RCD protection. Theres no identifying stickers on either the board or the esb equipment.Even a year for when red and black twin and earth was replaced with brown and blue would give me a minimum age..any help appreciated.


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    #2
    bertie1
    Banned (with Prison Access) Posts: 509 ✭✭✭bertie1


    Sounds like before 1990

    Cable colours changed then , 10 sq earth wire was required then as well. No Rcd says possible 10 years before that , there was a time between voltage operated trip switches & current operated rcds that nothing was put in so at a guess 1980's


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    #3
    Randyleprechaun
    Registered Users Posts: 876 ✭✭✭Randyleprechaun


    bertie1 wrote: »
    Sounds like before 1990

    Cable colours changed then , 10 sq earth wire was required then as well. No Rcd says possible 10 years before that , there was a time between voltage operated trip switches & current operated rcds that nothing was put in so at a guess 1980's

    Sounds about right I'd say


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    #4
    Solair
    Closed Accounts Posts: 7,230 ✭✭✭Solair


    Didn't compulsory RCD protection for sockets come in in the very early 80s?

    It was optional before that.

    I'd guess that installation is a 1970s early MCB setup.

    UK equipment like crabtree is relatively unusual. Irish distribution boards are normally continental, specifically, German (Siemens, Hager etc etc)

    It's not an old UK rewirable fuse box is it?

    I don't think they were ever legal here!

    See if you can find a date on the meter seal or even the face of the meter itself. It might give you an idea.


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