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  1. SparkyChick

    Why would a regular breaker work where a afci breaker won’t?

    You might also want to check if your AFCIs include the same functionality as GFCIs. Certainly here in the UK it seems they do, if it's the same in the USA as @littlespark says, could be an arc on the circuit, or it could be a ground fault.
  2. SparkyChick

    Back Box In Hollow Wall Installation

    It's looks like lath and plaster on the first take, but now I'm not sure... what is it actually made of?
  3. SparkyChick

    Stupid me, I done messed up !

    Unfortunately, I think it's highly unlikely you're going to get an answer. If we were there with access to it, we may be able to figure it out with testing, but as is without more information it's unlikely you'll get an answer that can help. The additional information that may be useful is...
  4. SparkyChick

    Gland ??????????????

    I had a quick look on RS to see if there was anything more suitable... I only looked at the Adaptaflex range and they didn't have anything that would make the job easier. It's a bit strange as I highly doubt your the first person to want something like this.
  5. SparkyChick

    Gland ??????????????

    The only way I can think of achieving that would be to a glavanised coupler or two of these glued back to back. https://www.screwfix.com/p/tower-female-conduit-adaptors-20mm-black-2-pack/77225
  6. SparkyChick

    What is the best signal interface for PC ?

    I would be looking at being somewhat more specific with the IO count and potentially using a scanning solution. For example, the Max6818 debouncer has a change output line (to indicate it a change in state has been detected) and an output enable line (which resets the change indicator), so you...
  7. SparkyChick

    Heating Wiring Problem - cylinder thermostat not working

    Good spot... missed that
  8. SparkyChick

    Heating Wiring Problem - cylinder thermostat not working

    So that suggests the wiring in the Nest is also bad. A photo of the Nest connections may help.
  9. SparkyChick

    Heating Wiring Problem - cylinder thermostat not working

    On reading the thermostat installation instructions, it states quite clearly it requires a permanent power supply. As best as I can tell, yours is only being powered when the Nest is requesting hot water. Given the thermostat has some automation (the weekly legionella killing cycle for...
  10. SparkyChick

    Heating Wiring Problem - cylinder thermostat not working

    Can you be more specific about where you are in the UK? A local member may be able to help.
  11. SparkyChick

    Hiding wiring in doorframe

    There is a range of trunking by D-Line which has a curvey profile. I've used it to great effect along the top of skirting boards, but I'm not sure I'd like a floor to ceiling run of it. The third scenario is you ask the electrician to move the cables to a more sensible location (the safe zone...
  12. SparkyChick

    Anyone know how this is removed?

    Unless I'm much mistaken , the current rating for Wiska boxes relates specifically to the supplied terminals not the boxes themselves. They play no part in the connections and as such have no current rating. I'm sure there could be an argument about potential temperatures with a high current...
  13. SparkyChick

    Anyone know how this is removed?

    I would probably have pulled it back and extended it in a Wiska 407 or 607 (use the Wiska earth bars and some 25mm uninsulated butt crimps - double layer of heatshrink - black with a coloured layer on top). And from there, into a galvanised adaptable box with a tails gland and then butt crimp...
  14. SparkyChick

    Anyone know how this is removed?

    That's a security cable set to prevent tampering. The only way to remove it is to replace it with tails. You need full access to the service head and the meter terminals and you'll probably have to dismount the meter.
  15. SparkyChick

    Passing another circuit through back box

    A warning notice about voltages... 514.10.1 "Every item of equipment or enclosure within which a nominal voltage exceeding 230 volts to earth exists and where the presence of such voltage would not normally be expected, shall be so arranged that before access is gained to a live part, a warning...
  16. SparkyChick

    LED Filament Lamps.

    CPC.... https://cpc.farnell.com/philips-lighting/929003011602/lamp-led-gls-dimtone-10-5-100w/dp/LP13660 That's a filament style rated at 1520lm... around £9 each though.
  17. SparkyChick

    Balancing 3Phase.....

    I believe the 11kV grid is 3 phase conductors only with transformer windings wired in a delta configuration. The low voltage (240v) side if then a star winding arrangement with the star point earthed and providing the neutral.
  18. SparkyChick

    Sub-main to the garage in house I just bought

    Unless I'm much mistaken, no it doesn't need an RCD on the SWA submain. The SWA has earthed metallic covering which is one of the factors that negates the requirement for RCD. 533.6.204 (i) incorporate an earthed metallic covering which complies with the requirements of these regulations for a...
  19. SparkyChick

    What is causing burning and vibration and how to stop it?

    It would depend on whether I was the only person who thought the cable was hot. During normal operation kettle leads and plugs can warm up... this is perfectly normal. They can also get really hot (usually the fitted plug end that plugs in to the wall) due to poor connections either between...
  20. SparkyChick

    Dodgy trade pictures for your amusement! - 1 Million Views!

    It most definitely is the bus bar cover on top of the CU... I know because that's how I found the one I took out of the board I was working on yesterday... when I'd put the cover back on :D
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