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Domestic Power Wiring - Upstairs & Downstairs

McN41R

I have surveyed a house and have observed a domestic ring circuit which is serves a floor area exceeding 100m2, including upstairs, downstairs and utility containing (washing machine and tumble dryer) (kitchen ring is separate). I am ok with this circuit contravening the 100m2 guidance, and not being respective to the load of the whitegoods, but I understand there is guidance on a domestic ring only covering a single level.

Can somebody point me towards this guidance either in published Guidance Notes or the Regulations.

Thanks

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       has questioned if there is actually a problem, apparently there isn’t.

    There is not a requirement for circuits to be restricted to a single floor level, indeed it is accepted good practice split them across floor levels.

    So you aren’t going to find any guidance to prove otherwise.

    With lighting circuits in two story houses  I tend to have three

    • ground floor.
    • first floor.
    • hall, stairs and landing along with the smoke alarms.

    Then if one of the lighting circuits trips it is still generally relatively easy to evacuate the building at night.

Reply
  • 0

       has questioned if there is actually a problem, apparently there isn’t.

    There is not a requirement for circuits to be restricted to a single floor level, indeed it is accepted good practice split them across floor levels.

    So you aren’t going to find any guidance to prove otherwise.

    With lighting circuits in two story houses  I tend to have three

    • ground floor.
    • first floor.
    • hall, stairs and landing along with the smoke alarms.

    Then if one of the lighting circuits trips it is still generally relatively easy to evacuate the building at night.

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