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  1. O

    coax core and braiding

    This should help to answer your question johnnyjb http://www.satcure.co.uk/tech/cable.htm#notes Coax is about screening the braid is at 0 volts (earth) and the centre carries the signal. attenuation is caused by the fact that the cable is a capacitor so a greater diameter therefor larger...
  2. O

    Hidden under the lawn?

    Could be compacted soil so the roots can not grow try to loosen it with a fork and water it.
  3. O

    modem connection problem

    Is there a message service on this line as it modifies dial tone to indicate a stored message and the modem does not like it.
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    Banging pipes

    An air lock can act as a cushion to stop pipe hammer look at pipe work for a t with a stub and blank end etc it may have water and not air in it or try emptying and refilling to try to get the air cushion back.
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    Laying deck joists directly onto concrete?

    Use treated timber for joists with strips of dpc under fix a couple of joists to concrete with galv. brackets to stop deck moving. space boards to allow water/snow through say3-5mm use a nail etc.
  6. O

    no sound

    Right click speaker symbol (by clock)click playback devices click speakers then configure click stereo put plug in correct socket click speakers to test.
  7. O

    which cable?

    Cable can be run from nearest socket or the main but best to have total only two cables punched into the connectors. http://www.wppltd.demon.co.uk/WPP/Wiring/UK_telephone/uk_telephone.html
  8. O

    no sound

    Have you pushed the plug in all the way i have been caught out by this also on some cards there are two outputs that look the same but only one will be set up to output.You can restore windows to a time when it all worked correctly if you suspect a driver problem, data will not be lost.
  9. O

    water logged garden

    'You may like to consider dealing with your 'own' ground water' was my way of hinting that if it was me i would block the old field drain coming from your neighbour What you are proposing involves many tons of soil etc all the best with it and just put soil on soil and not a lot of point...
  10. O

    Laying a concrete floor indoors

    You will have to repair dpm and make good choose timber to give enough working room
  11. O

    Best method to screw onto top of cabinet?

    Angle plates or modesty blocks is a third option just chose correct screws.
  12. O

    Can anyone help diagnose this BT line / phone problem?

    50hz as you would expect is every were its our electrical system ,if you were to run a wire out for say 100mts and measure with a high impeadance instrument to earth you get ac induction voltage.Telephone cable is in pairs ,twisted pairs sometimes called ballanced pair if you do the above with...
  13. O

    Can anyone help diagnose this BT line / phone problem?

    I could tell you about induction, longitudinal voltage and transverse current but the high resistance connection is fixed so your ok.
  14. O

    Electrically seized fans..whats going on there then?

    I go for the capacitor if you make the fan spin it will run ok .
  15. O

    water logged garden

    You may like to consider dealing with your 'own' ground water by digging a sump and fitting a dirty water pump to discharge into your rainwater drainage system which is usually seperate from the main sewer drain they have float switches so are automatic.Soak aways do not work very well in clay...
  16. O

    water logged garden

    Speak to your neighbour who seems to care about his garden mention that the flooding could extend to his land if the drain is not cleared then rod back from his man hole to find the problem so it could be a win win situation.
  17. O

    Electric cable in new footings trench

    Have it diverted.
  18. O

    decking and dpm?

    Deck boards are screwed down so remove a few to access the pools cut a section of dpm out and replace with the fabric held in place with gravel you don't want the support timbers sitting in water.
  19. O

    Loft Boarding (I'm a bit confused)

    Battens on top of joists ?2x1. flooring at right angles, mark cable runs, and screw fix for maintenance
  20. O

    Laying a concrete floor indoors

    Fix battens to the walls tamp to them when its all gone off chop them out and make good. laser level useful setting up battens.
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