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Bathroom appliance help please

goldenboy1818

Hi guys just after a bit of advice here please

Customer wants to build a full height cupboard and the bottom of the bath and put a washing machine and tumble dryer in it. It will have a door on the cupboard.

How would regs apply to this ? I can make it 3 x flex outlets and sfs outside the bathroom if need be rather than sockets.

The appliances would technically be within 600mm from the edge of the bath but inside a cupboard so couldn't remember if that then meant zones did not apply 

Thank you for any help here

  • 0 in reply to AJJewsbury

    I agree the term should be water vapour and yes at 100% it will plateau but the fact remains, a UK bathroom will have a higher RH than a UK kitchen for a longer period of time if long hot showers are taken

  • 0 in reply to Sergio Fernandez

    Moisture in kitchen v bathroom.

    We have a 10 inch fan in the kitchen. If it is not used, condensation appears pretty quickly. Don't forget that "gas" burns to produce CO2 and H2O. The dishwasher also expels moisture at the end of its cycle.

    There is a very weedy fan in my bathroom. When the central heating is on, there is no problem with condensation, but just lately, the mirrors have been steaming up.

    Our laundry appliances are in the scullery, where moisture is not a problem.

    I rather doubt that there is a significantly greater environmental risk when "kitchen appliances" are situated in a bathroom.

  • 0 in reply to AJJewsbury
    AJJewsbury said:
    Hopefully the final form will be more 'up to 60mm into a wall' rather than 60mm beyond the interior surface of the wall ... which could a bit beyond thin walls. (Like Mike I'd have concerns about thin ones - my first house - 1930s build - had 2" breeze blocks with very thin plaster skims for the upstairs internal walls (discovered via a WTF moment when trying to drill for a new flush box)).

    Well, there will be a Draft for Public Comment, although BS 7671 is obliged to take account of the technical intent of the HD (which is effectively the 2019 IEC 60364-7-701 with some common modifications and an amendment).

    The 60 mm (in fact '6 cm' as it's worded in the international standard) was flagged on the Forum here, which I believe shows the wording: https://engx.theiet.org/f/wiring-and-regulations/22155/new-edition-of-iec-60364-7-701-special-locations-containg-a-bath-or-shower?pifragment-2370=2

  • 0 in reply to gkenyon

    Given the age of that thread  is shortly before lockdown,

    I suppose we should be grateful its not been put in AMD 4. 

    Mike

  • 0 in reply to mapj1
    mapj1 said:
    Given the age of that thread  is shortly before lockdown,

    There has actually been a backlog at CENELEC starting with COVID - This one missed the deadline for Amendment 4 despite the IEC being 2019 !

  • 0 in reply to Lisa Miles
    Lisa Miles said:
    my tumble dryer lives in my shed

    Is it a dehumidifier/condensing/'heat pump' style beast, or the old roasted clothes style? Wink

  • 0 in reply to gkenyon
    gkenyon said:
    Kitchen same though ... certainly in my 1930s house ... without the extractor, cooker hood, and trickle vents, both of those rooms would be sodden in winter.

    Mine is a Scottish 1960s property and we had that 'kitchen sodden in winter' when we first moved in 2 years ago. It's been a journey, as they say.

    Folks are too quick with prettifying their homes without appreciating all the hidden engineering 'comfort' aspects (safe?).

  • 0 in reply to Philip Oakley
    Philip Oakley said:
    Is it a dehumidifier/condensing/'heat pump' style beast, or the old roasted clothes style?

    Yes, this is an issue, mine in the detached sectional concrete garage is the old type, which can cope with damp cold air coming into the machine in winter ... I don't think a condenser or heat pump dryer would work very well at all in the detached garage in winter.

    Given the fact there isn't room in the house, and we only use the tumble dryer in winter (and really then only for towels and bedding most of the time) I'm not sure a replacement tumble dryer would do at all !

    Answers on a post card !

  • 0 in reply to gkenyon
    gkenyon said:
    I don't think the situation is that ALL type AC RCDs (or RCDs that pre-date BS EN 61008 series and BS EN 61009 series) are necessarily 'blinded' at all times by a switching converter. Certainly, according to the diagrams in Figure A53.1, it's only where the electrical fault occurs on the load side of the converter for many appliances.

    Aren't there two sorts of possible 'blinding' going on here.

    One being the possible back feed from the generating equipment through to the trip solenoid which wasn't disconnected by the fault disconnection.

    The other being the effective rectified DC components from switching supplies/converters/generators which could saturate the sense coil (current transformer) and fail to drive the trip solenoid at the trip level.

  • 0 in reply to Philip Oakley

    It's a condensing tumble drier, I use the collected water to water the weeds at the bottom of the garden  Joy

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