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  1. jackhammerJIM

    Strange N-E fault on armoured cable supply to sub-main

    I agree with you that the likely outcome is bad contacts on the rotary isolator .
  2. jackhammerJIM

    New breakers or add a sub panel

    $2200 is still a huge amount of money compared to a UK mains change . How many hours labour do you average on a service upgrade ?
  3. jackhammerJIM

    New breakers or add a sub panel

    $4000 - $5000 for a mains change :anguished: . Is that normal ?
  4. jackhammerJIM

    Cooker installation advice

    Diversity can be applied to this situation ...
  5. jackhammerJIM

    What make is this socket

    Looks like LAP from screwfix brushed chrome white insert . The cheapest of cheap .
  6. jackhammerJIM

    electrical back box install in a kitchen cabinet

    The batten that the box is fixed thru is going to be flush against a wall so its not going to work .
  7. jackhammerJIM

    Wet UFH overheating - advice please

    Sounds to me like the zone valve could be stuck open . Even if the blending valve is faulty and letting through 80C water from the boiler the room stat will close the circuit once temperature has been reached . Consult a heating engineer competent in electrical controls or a sparky skilled in...
  8. jackhammerJIM

    Cooker Extractor Plug or not

    FCU in nearby wall unit or above worktop , 1mm to hood ,chop plug off , join through with click flo connector .
  9. jackhammerJIM

    Enlite LED downlight fault ?

    Has it been encased in insulation ? The installer would benefit from some 2mm earth sleeving .
  10. jackhammerJIM

    rcd requirement

    That does indeed look like a 2.5 . oh dear oh dear , How many kw is the pv system ?
  11. jackhammerJIM

    UK Are Grommets necessary

    They don't make adaptors for oval tube .
  12. jackhammerJIM

    UK Signing off apprentices test cert

    It is an excellent point . The court would throw the proverbial book .
  13. jackhammerJIM

    UK Signing off apprentices test cert

    How do you think a crown court prosecution would react to a test certificate signed off by an apprentice if there was a death or injury related to this installation ?
  14. jackhammerJIM

    How to test continuity

    Is it bayonet cap or edison screw ? Hold one probe against the earthed metal casing whilst testing against the 3 clear wires until you get a low ohm reading to identify the earth . If bayonet cap polarity does not matter . If edison screw repeat step one with the middle prong inside the...
  15. jackhammerJIM

    Smoke alarms and regulations.

    Well that would depend on what type of project you are working on . There is no requirement for smokes in existing houses unless specified by building control due to certain types of building works .
  16. jackhammerJIM

    Free clean energy

    How the hell does he know i have a dewalt site radio ?
  17. jackhammerJIM

    Free clean energy

    There is much we do not understand about the universe The galaxies themselves are not accelerating in my opinion they are stationary however the space time grid which the galaxies are fixed to is increasing in size thus the 2 galaxies are moving apart . Is space some kind of quantum grid ...
  18. jackhammerJIM

    PLASTIC SCREWS

    My local independent wholesaler . Surely they are only required for switches ?
  19. jackhammerJIM

    PLASTIC SCREWS

    Ive got some in the van buzz how many do you need ?
  20. jackhammerJIM

    Does this metal post need to be earthed or bonded or neither?

    If the metal work becomes live due to a broken PEN conductor how will an RCD affect the outcome ? In my opinion you should insulate the physical connection between the floodlight bracket and the post .

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