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    Inaccessible Main Switch

    That was the first thing that I wondered. It's not a TT supply. I think it's down to the builders who put an extension on the house a few years ago who decided that the best way of getting 30mA RCD protection on the sockets was to use an RCD main switch (the main fuseboard is a Wylex board...
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    Inaccessible Main Switch

    Bit of a ponderer this one! I've got an elderly (90 year old) relative, who as of fairly recently lives by herself. Last week a faulty appliance caused the main switch RCD in her house to trip. She's pretty immobile, and has to shuffle around with the aid of a frame, and needless to say the...
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    socket boxes too deep for screws

    Easier just to get longer screws, but if you want to buy the extensions you're looking for M3.5 extension studs: http://www.tlc-direct.co.uk/Main_Index/Wiring_Accessories_Menu_Index/Boxes_and_Enclosures_Index/Plate_Screws_1/index.html
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    Fixing Cables To Outside Brick/Mortar

    Any chance of posting the link to the screwfix version of these? I had a quick scan of the SF website but couldn't spot them. I'm placing a SF order in a day or two and a box of these clips could come in handy...
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    Emergency Lighting

    We still prefer to install the inverter type system in our factory when we can. Originally it was a hangover from when we had emergency lighting generators (we took some of the generators out and fitted inverters in their place) but now we prefer it to using maintained / non maintained...
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    Consumer units

    Words fail me.
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    Strange (to me) circuit breaker.

    If you need to pump it up before switching it then the idea is probably to close the contacts as quickly as possible to prevent arcing. At work we have some busbar feeder switches which work on the same principle (admittedly they're rated at a minimum of 1600 amps though!). Before closing them...
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    Earth sleeving in sockets?

    I score it very lightly with a knife (mainly to give myself a line to work to), then bend it around my finger to put the sheath under tension. Then with hardly any pressure (almost just resting a sharp knife on it) I just deepen my score mark until the inner cores become visible. Bend the cable...
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    Plugging computer equipment into lighting circuit

    Are you sure you'll get the wireless coverage you want by putting the router so high up? IIRC the coverage from these devices extends out from the aerial horizontally in a doughnut type shape (without the hole :D ). I'd have thought that with the router being so high up most of your house...
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    is this safe

    I'm probably missing something here, but if you can't get a twin and earth down the wall, why do you think an extension lead will be any easier?
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    extractor fan protected by 3 amp fuse

    You answered your own question before you asked it.
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    U/C Lighting

    I guess it all come back to the debate on whether fitted kitchen cupboards are part of the building fabric or not (which has been argued to death many times on many different forums :) ). Personally I err towards things being mounted on kitchen cupboards being ok (although not the...
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    what type RCD protection

    I thought it was ok to have a 100mA type S RCD as the main incomer on a TT system, providing that any socket outlets which could supply equipment outdoors were protected by a supplementary 30mA RCD? (assuming that the RA I-delta-n calcs are ok of course)
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    Extractor fan vents banging

    Mine's actually on a cooker hood outlet so I wouldn't need the fan, just the grille. I've seen the fans with built in automatic louvres, but never seen the louvre available as a stand alone item (although I wouldn't be surprised to learn that someone somewhere sells them!). I guess they'd be...
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    Extractor fan vents banging

    I've got the same problem with my kitchen extractor fan, even though the outlet is sheltered from the wind. I think it's as much to do with the flaps lifting due to the inbalance in air pressures inside and outside the house during strong/gusty winds as the wind actually lifting the flaps. I...
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    Thick sparky

    SWMBO She Who Must Be Obeyed :lol:
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    Power keeps tripping out-Please Advise!

    :shock: I'm surprised the forum registration allows such similar names, but just to confirm, we are two different people!
  18. S

    Adding to a single spur socket (not sure if it's a spur?)

    It might be worth checking your fuseboard/consumer unit as well. It's just possible that it's a radial fed from it's own fuse (my house has this, mainly because the landing socket is situated by itself on one side of the upstairs away from the bedrooms. Doing it that way meant a lot less cable...
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    electrics problem computer develops same fault

    Sounds to me like the problem could be the monitor instead of the computer. When you got a new computer, did you replace the monitor as well? If you did, did you re-use the old power lead? Is the monitor definitely getting power?
  20. S

    floating earth

    I have the same problem, and I've never really got to the bottom of it. I first noticed it when I was leaning on my PC case to plug the aerial into the back and got some tingling/mild shocks from my contact with the case. When I'm plugging and unplugging the aerial connections from the TV...
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