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    sandy7's Avatar
    sandy7 Posts: 6, Reputation: 1
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    #1

    Jul 4, 2008, 01:03 AM
    Wiring in bathroom to incorporate an extractor fan
    Please could you tell me how do I deal with extractor fan wiring which has four wires but has to work on same switch as the light?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Jul 4, 2008, 05:05 AM
    Can you explain the 4 wires(night light, lite, fan, etc)? Is it humidity sensing?
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
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    #3

    Jul 4, 2008, 05:11 AM
    Sandy, are you in the UK?
    sandy7's Avatar
    sandy7 Posts: 6, Reputation: 1
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    #4

    Jul 5, 2008, 02:17 AM
    Hi,
    The extractor is in the bathroom to work off the same switch as the light. The wiring for the light is red/live, blue/neutral and green/yellow for earth. The extractor has these plus a black wire. Not sure what the black does or where it goes in relation to the other wire connections in the junction box. I am in the UK. Not sure if it is humidity sensing.
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    stanfortyman Posts: 5,598, Reputation: 279
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    #5

    Jul 5, 2008, 05:01 AM
    Sorry, the extent of my UK knowledge is brown=live, blue=neutral, green/yellow=earth.
    I'll have to bow out of this one.
    sandy7's Avatar
    sandy7 Posts: 6, Reputation: 1
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    #6

    Jul 6, 2008, 02:52 AM
    That's OK. Thanks for your time Stanfortyman.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
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    #7

    Jul 6, 2008, 07:00 AM
    Hey, no problem. :cool:

    I've been doing this long enough that when I hear words like "consumer unit, "ring mains", "extractor fan" and "cooker", I know I am in over my head. :p
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #8

    Jul 6, 2008, 07:34 AM
    Stan,


    Did Sandy ever really say whether this is a fan only or a fan/light combo?
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
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    #9

    Jul 6, 2008, 08:00 AM
    I don't see that, no.
    sandy7's Avatar
    sandy7 Posts: 6, Reputation: 1
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    #10

    Jul 6, 2008, 10:48 AM
    Harold,
    The extractor is separate from the light, not a combined unit.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #11

    Jul 6, 2008, 01:20 PM
    2 speed?
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #12

    Jul 6, 2008, 04:03 PM
    Strat,

    Could be, we don't know

    Sandy you could cap off the black and install the fan to see what happens. I don't think you could hurt anything. If fan works you could then switch red and black and cap off red. The red and black could be a way of selecting speed.
    sandy7's Avatar
    sandy7 Posts: 6, Reputation: 1
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    #13

    Jul 7, 2008, 05:33 AM
    Harold,

    Thanks for that I will give it a try. I'll let my husband switch it on though to test it, just in case.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #14

    Jul 7, 2008, 05:49 AM
    Over here we let are wives do the testing.
    sandy7's Avatar
    sandy7 Posts: 6, Reputation: 1
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    #15

    Jul 7, 2008, 01:03 PM
    There are more men than women over here so we have to be careful. Anyway, he loves currants.
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