bathroom lighting - IP65? IP44? IP20?

Discussion in 'Misc DIY' started by rob c, Sep 28, 2003.

  1. rob c

    rob c Guest

    hi,

    I want to install recessed halogen lights in the bathroom, and I gather
    I need to use IP rated lamps in this location.

    Packaging in B&Q suggest there are 3 zones in the bathroom, but does not
    mention IP ratings, so are these correct?:
    - zone 1: directly above bath or shower (IP65?)
    - zone 2: within 0.6m laterally of shower or bath, or 0.6m any direction
    other wet areas (IP44?)
    - zone 3: other areas (IP20?)

    They only seem to sell zone 3 fittings. I picked up a jcc lighting
    catalogue from a local electrical trade shop, they have some of all 3
    ratings though the IP44s look a bit ugly, with a thick glass dome:
    http://www.jcc-lighting.co.uk/Catalogue/ProductDetail.asp?JccID=150&JccCode=JC3006
    The IP65 looks like it might be nicer:
    http://www.jcc-lighting.co.uk/Catalogue/ProductDetail.asp?JccID=155&JccCode=JC3007

    The room is 2.4m by 3.7m. I was thinking of 6 lamps, maybe 35W each: 1
    over shower & 2 over bath (IP65?), one would be within .6m of the shower
    (IP44?) and 2 near sink & loo (IP20?)

    Does this seem OK?

    I also thought I saw somewhere that IP65s should be 30mA RCD protected.
    True? If so, would it be OK to put an RCD in the upstairs lighting
    circuit outside the bathroom - it's the last room in the circuit, and a
    shaver socket is the only other connection. Other option would be using
    protected slot in fusebox for whole circuit, but I gather lighting
    circuits aren't usually protected.

    thanks.
     
    rob c, Sep 28, 2003
    #1
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  2. rob c

    rob c Guest

    also, what should be done above the lamps? do they need a cut out in the
    loft insulation do prevent overheating?

    rob c wrote:
    > hi,
    >
    > I want to install recessed halogen lights in the bathroom, and I gather
    > I need to use IP rated lamps in this location.
    >
    > Packaging in B&Q suggest there are 3 zones in the bathroom, but does not
    > mention IP ratings, so are these correct?:
    > - zone 1: directly above bath or shower (IP65?)
    > - zone 2: within 0.6m laterally of shower or bath, or 0.6m any direction
    > other wet areas (IP44?)
    > - zone 3: other areas (IP20?)
    >
    > They only seem to sell zone 3 fittings. I picked up a jcc lighting
    > catalogue from a local electrical trade shop, they have some of all 3
    > ratings though the IP44s look a bit ugly, with a thick glass dome:
    > http://www.jcc-lighting.co.uk/Catalogue/ProductDetail.asp?JccID=150&JccCode=JC3006
    >
    > The IP65 looks like it might be nicer:
    > http://www.jcc-lighting.co.uk/Catalogue/ProductDetail.asp?JccID=155&JccCode=JC3007
    >
    >
    > The room is 2.4m by 3.7m. I was thinking of 6 lamps, maybe 35W each: 1
    > over shower & 2 over bath (IP65?), one would be within .6m of the shower
    > (IP44?) and 2 near sink & loo (IP20?)
    >
    > Does this seem OK?
    >
    > I also thought I saw somewhere that IP65s should be 30mA RCD protected.
    > True? If so, would it be OK to put an RCD in the upstairs lighting
    > circuit outside the bathroom - it's the last room in the circuit, and a
    > shaver socket is the only other connection. Other option would be using
    > protected slot in fusebox for whole circuit, but I gather lighting
    > circuits aren't usually protected.
    >
    > thanks.
    >
     
    rob c, Sep 28, 2003
    #2
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