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Discuss Installing sockets in loft, wiring query in the DIY Electrical Forum area at ElectrciansForums.co.uk.

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  1. KevSex
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    KevSex New EF Member

    Location:
    Glasgow
    Hi all,

    Just new to the forum so go easy on me :)

    I'm going through a personal project to lay floor down in my loft and whilst doing so, installing a couple of sockets to allow for some computer equipment to run.

    I've been speaking to a few mates and found that I am ideally wanting to find a ring main to install my socket onto. I feel like I've fell at the first hurdle as this is proving difficult to locate.

    I have managed to locate a wire going to my smoke alarm which I'm reluctant to use for obvious reasons.
    I've also located a box above my bathroom which I've found is a transformer for a fan in the bathroom. Reading up on this further, the fan is SELV and the box reads "Safety Extra Low Voltage". There is two wires going into this from what I can see however suspect an additional wire coming out from underneath it (connecting up to the bathroom lighting).

    I'm looking to find out if the two cables going into this transformer will be part of the ring main and therefore have the right voltage/amperage to support the computer equipment.
    Is there any other way of identifying what wire best to use?

    I've attached a picture of this too.

    Any help would be much appreciated.

    Cheers,

    Kev

    IMG_20170528_170424.jpg
     
  2. davesparks
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    davesparks Trusted Advisor

    Location:
    guildford
    Unless you already have a socket in the loft then you will almost certainly not have any wiring of the socket circuits up there. Everything you have described so far is going to be part of a lighting circuit.

    Sockets don't have to be connected to a ring circuit, they can also be on radial circuits. In your situation this decision will be largely based on where there is an existing point on a power circuit to run the cable from.

    An electrician will often be able to route a cable from the first floor via a built in cupboard such as an airing cupboard to get to the loft. There is quite often a suitable point in an airing cupboard that could be used to feed loft sockets. It is impossible to determine this without looking at the installation and making an assessment of what can be done. There are a lot of regulations which need to be complied with to ensure that electrical work doesn't present a fire or electric shock hazard.
     
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  3. KevSex
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    KevSex New EF Member

    Location:
    Glasgow
    Hi,

    Thanks for your reply. Makes sense to take one up from the 1st floor through a cupboard.

    The reason I was thinking one of these wires would have been suitable is that there is a 230V shaver socket in the bathroom below. Would I not be able to take it off that to achieve what I'm after?

    Thanks again,

    Kev
     
  4. davesparks
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    davesparks Trusted Advisor

    Location:
    guildford
    No, shaver sockets are normally fed via a lighting circuit.

    It's not just a case of finding a suitable wire and connecting to it, there's a lot more to the job.
     
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  5. Andy-1960
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    Andy-1960 Electrician's Arms

    Location:
    Wolverhampton
    To be honest, I think you should be looking at getting an electrician in to do this.
     
    • Agree Agree x 8
  6. Pete999
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    Pete999 Trusted Advisor

    Top Poster Of Month

    Location:
    Northampton
    Business Name:
    None
    Not having a dig at the OP, and no disrespect intended, but don't you find Kev's post indicative of the General Public's understanding of all thing electric?
     
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  7. Specialist
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    Specialist Electrician's Arms

    Location:
    South Wales
    Totally agree with Dave & Andy but will put it in slightly different terms.
    If you take power from an existing Lighting cable & start using it to power computers etc, the cable will in all probability overheat and may well catch fire.
    The minimum this will do is severely damage your property, which your Insurance won't cover.
    A more likely scenario is destruction of the property & possible Death of the occupants at the time and you being prosecuted for Manslaughter.

    Call a good Electrician & get it done properly.
     
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  8. westward10
    Online

    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    I have often thought about this and I think it is in our DNA. We see our parents fiddling with lectric like fitting plugs extending cables with taped joints and it is bourne into us to follow likewise but never gas though because our patents left that alone and we follow suit.
     
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  9. Midwest
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    Midwest Electrician's Arms

    Location:
    Oxfordshire
    I also note that the OP's location is Scotland. I'm not up to speed on Building Warrants and when and where they are required, but as this is part of a loft conversion, I guess there will be some requirement to comply with Building Regs, which may include the electrical installation.

    OP, as you've already been advised, employ an electrician.
     
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  10. Spoon
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    Spoon Trusted Advisor

    Location:
    Lancashire
    How much computer equipment are you wanting to put in your loft?
     
  11. KevSex
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    KevSex New EF Member

    Location:
    Glasgow
    Appreciate the feedback. Will probably go down the route of getting a qualified electrician to carry this out.

    In terms of computer equipment, it's quite a few devices, server, access point, router, raspberry pi, NAS so best to do it right.
     
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  12. Midwest
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    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Do you need a Building Warrant for the loft conversion itself?
     
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  13. Specialist
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    Specialist Electrician's Arms

    Location:
    South Wales
    Yes mate they apparently do, before work starts. Then a certificate of habitation at the end once inspected.
     
  14. Midwest
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    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Would make sense, fire escape etc.
     
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  15. Spoon
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    Spoon Trusted Advisor

    Location:
    Lancashire
    Even just for putting some flooring down?
     
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