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    Automatically turn lights off once room is un-occupied

    Sorry to say that you won't get this device to work in your situation for two reasons 1 Sounds like the switch you are trying to replace is two way and the PIR is one way. 2 The PIR device looks like it requires a neutral to work and the isn't a neutral in your existing switch wiring...
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    Weird earth leakage fault

    Why not use a clamp on ammeter?
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    Electrics Safety Checks

    That looks like rubber insulated cable from the junction box dissapearing into the ceiling as well....Bad news! I would be concerned with the incomming supply arangement as well, looks like VIR singles to me (?) with a very thin earth wire.
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    LV downlighters

    Why use LV? What's wrong with 230V downlighters? NO transformer/converter to burn up or hide in enclosure etc. etc.
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    Light Wiring

    From what I can make out he's connected all the "lives" (Brown) together. Sounds like It's the Blue wires not being connected (Neutral) that's causing the other lights not to work.
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    Dont see these much

    BC to Bi-Pin adapters. Used to convert VERY old fluorescent fittings to take modern tubes. Used enough of 'em years ago! (giving my age away now!)_ Regards FB
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    Were scratching our heads

    'nuf said! Regards FB
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    Fitting an external light

    You say you have run the cable from the outside light to the switch. Where are you going to pick up the neutral? (and earth if it's an old installation with no earth to the lighting circuit) Light switches only normally have Live feeds to them and switched lives to the fittings, they do...
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    What wire goes where???

    Too right Bas! I well remember my grandmother doing just that! She had one of those two way lamp holders where you could put a BC lamp in one socket and a BC adapter in the other! the earth wire just floated free! BTW can you still buy those twin lamp holder adapters? I think Woolies...
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    Guess the cable

    That's what I think too. I've replaced enough of the stuff in my time! Regards FB
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    New Shower cable thickness advice and max shower watts

    OK Glad you pointed that out, But I note from the top picture of this thread that the OP's system is marked PME. Regards FB
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    New Shower cable thickness advice and max shower watts

    Thanks for the explanation, It's a bit clearer now, Looks like the earth bonding clamp has been taken off the water pipe for whatever reason. As you suggest, purchase a new earth clamp and re establish the connection on your side of the meter. Regards FB
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    New Shower cable thickness advice and max shower watts

    The bond to the gas looks fine to me. The water is difficult to tell, there appears to be an earth clamp on one of the pipes but, I can't see if one of the earth wires is connected to it. It should be the same size as the gas one. It is possible that the "loose" wire you have found was an old...
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    New Shower cable thickness advice and max shower watts

    The earthing arrangement shown in your picture is NOT the main Earth bonding. The Gas & water mains entering your premises should be bonded back to the MET (Main Earth Terminal) within 600mm of entry to the building. Find your gas meter and water stop cock and check in those areas for the main...
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    single phase car lift

    If you can't see the motor details, look at the motor control gear. I would presume there would be a overload unit fitted to the contactor(s) that start/stop the motor. Look at what the overload setting has been set to in amps. this will give you a rough indication of maximum current. You then...
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    3ph flex

    I would be tempted to use SY cable and these glands... http://www.csedistributors.co.uk/cable/cable-glands/a2f-cable-gland.htm Regards FB
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    Outdoor socket to ring main?

    Edited due to me being too quik off the mark with a reply! Sorry! Regards FB
  18. Motor connections 3 phase

    Motor connections 3 phase

  19. Electrics

    Electrics

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    supply to 3 phase commando socket

    No it doesn't Where would you connect the Neutral on this motor then ?
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