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  1. ImpededLoop

    Heatmiser UH8 Heat Enable/Boiler Enable Connections

    As you suggest it's a volt free contact for the boiler on the UH8. The live for the boiler switch wire needs to come from the boiler so that the boiler isolator disconnects all live supplies to the boiler. You can parallel up the UH8 volt free contact with the zone valve end switches for the...
  2. ImpededLoop

    Lighting for Art school ideas and thoughts

    Probably best to speak to Phillips or one of the other major suppliers to see what they can specify for you. Sounds like a good project!
  3. ImpededLoop

    Prysmian Cable In a Box cr!p

    I prefer Prysmian as well. It used to be Pirelli which came in the same useless boxes!
  4. ImpededLoop

    NICEIC Certification Scheme Niceic QS how much responsibility

    In my mind the QS, as the title suggests, should be supervising. For larger jobs they should regularly be on site overseeing the installation and testing. For smaller jobbing type works they should at least be spot checking their electricians work. As ever, the employer needs to give their QS's...
  5. ImpededLoop

    If your child ended up being a sparky, would you be proud of them?

    Of course!
  6. ImpededLoop

    Evening all, looking to get back into the trade

    Currently you'd only need 17th Edition to join one of the competent persons schemes. Several on here are members of Stroma which is cheaper than the others. You'll also need insurance, test kit etc.
  7. ImpededLoop

    Cables with thermosetting insulation (XLPE cables)

    Also bear in mind that the impedance of the conductors increases with temperature, so running at 90degC will increase volt drop, R1,Rn and R2.
  8. ImpededLoop

    Electrician Jobs Fellow Electrian wanted

    His last post says High Wycombe....
  9. ImpededLoop

    Identify this product / model

    Home Automation were bought out by Eaton MEM. I think it's all been discontinued.
  10. ImpededLoop

    Pretty sure my cps assessor was wrong

    First one depends on the load that you have calculated for the installation. Second one I don't agree with. Tails are insulated and sheathed, same as twin and earth... Edit: Speedy Lee beat me to it!
  11. ImpededLoop

    Phases in dado trunking.

    Agree with Lee. Same goes for light switches.
  12. ImpededLoop

    Overload Protection - Major Renovation

    There's a fair amount of work. If it were me I'd get a couple more quotes for comparison.
  13. ImpededLoop

    Overload Protection - Major Renovation

    Your electricians proposals sound pretty fair. In reality it's unlikely that your circuits or submains will ever be fully loaded. For example what would use 60A in the summer house? Basically, you can run tails up to 3m from the meter position without providing any circuit protection (fuses) so...
  14. ImpededLoop

    Looking for control system design engineers

    Where are you based and which sector do you work in?
  15. ImpededLoop

    I Need Work Maintenance Man Needed

    Where are you based?
  16. ImpededLoop

    Ceiling Wiring Confusion (4 wires)

    Your electrician should be able to explain once they've worked out and tested the wiring.
  17. ImpededLoop

    Ceiling Wiring Confusion (4 wires)

    Is your new light fitting metal as you don't seem to have any earthing there. Best thing would be to call in an electrician who can ensure it's safe. Unfortunately relying on the mcb to trip using trial and error is more dangerous than many people realise and could cause more problems.
  18. ImpededLoop

    Replacing a gas boiler with electric.

    A freestanding convector heater from the DIY shop is also 100% efficient. Have you explained that it'll cost more to run than gas? Also, he might find the lights dim every time it cuts in depending on how good the dno network is.
  19. ImpededLoop

    LED Bulbs won't work together on same circuit.

    Sounds like it was the switch wire rather than the neutral. Glad the OP got the problem sorted.
  20. ImpededLoop

    LED Bulbs won't work together on same circuit.

    My guess now would be a duff switch. Otherwise it can only be a poor connection somewhere but I think this would have shown up before.
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