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  1. P

    help with short? on panel??

    Glass looks shattered, how does it compare with others, just had one panel shatter like that after very high winds.
  2. P

    How bespoke is this? Is there an alternative?

    Op silent on application for understandable reasons, my brother's firm uses Inductotherm equipment for melting scrap steel into melting pots for castings, pri/sec voltage looked familiar but it has been a while since i was on-site
  3. P

    How bespoke is this? Is there an alternative?

    I was thinking the same thing, looks like rectifier input leading to induction heating at high frequency.....
  4. P

    Anyone watched the TV documentary tonight about Heat Pumps and electricity supplies in general?

    I have been surprised by the level of general ignorance of heat pumps, both within the general public and radio 4 and other political pundits. As i install A/C and heat pumps controls, i have witnessed a product which has always had a niche in the market now being hailed as the solution to all...
  5. P

    Buying house - EICR Results Help please!

    Its not perfect and really in-complete, no screamers but would be worth getting the guy back after they have moved out and before you pile in with lost of stuff so he can do some fault finding. Electric showers are notorious for thermal damage but would be your first issue i think, followed by...
  6. P

    Ethernet and Power cable to be run underground

    What distance are we talking.?
  7. P

    Volt drop, lighting v non lighting

    Certainly a consideration and if i was designing the circuit and was confident that there would be no requirement for any type of discharge lighting AND there were not likely to be high load start currents on motors and the like, i would probably move towards the non lighting side. However as...
  8. P

    What is an example of functional earth?

    I install a/c, never seen a FE , ditto SP or Sauna. Need to consider a FE is not there to carry fault current for ADS, its purpose is to enable something to operate using earth as a reference, thats why the telephone system FE is such a good example as the telephone exchange can be miles away...
  9. P

    What is an example of functional earth?

    TBH, if it was an old paper written a few years ago , i would have gone for the telephone system main control unit. Hotels will have multiple exchange lines and these typically would use earth calling, however nowadays phone lines are VOIP, fed over optical fibre so no earth required there, lol...
  10. P

    AHU not working anyone any ideas on this

    Have you checked the fuse :)
  11. P

    What electrical tests to do when someone has a flood?

    I would be a bit concerned about water tracking along cables and ending up somewhere totally different so i would check a few switches on both levels. One flood i dealt with the water had travelled along the cables and made its way all the way back to the DB and into the breaker.
  12. P

    Can I just plug it in?

    Impossible to say based on that info which does all appear to be contradictory. Suspect this piece of equipment would be better on either a 16A or 32A commando
  13. P

    £7,000 electricity Standing Charges

    Suggest shop around, business tariffs went mental at the peak of the fuel crisis, hopefully they have settled down. At 180KVA as your max demand you will be paying more than 45p per day, lol
  14. P

    Is the laptop worth buying?

    Or just go to a specialist retailer like pcspecialist.co.uk and you can fill your boots with any possible laptop. I can confirm they do exist, i have been there, they do what they say, the warranties and tech support are excellent. Spent about £7000 with them over the last year.
  15. P

    What is an example of functional earth?

    Always think of my early days when "earth calling" was standard practice for phone lines.. https://www.britishtelephones.com/exchline.htm#:~:text=An%20earth%20or%20loop%20calling,returned%20to%20the%20incoming%20caller.
  16. P

    Aircon issue - Astra J

    And if the controller is on the Canbus............ nightmare, lol
  17. P

    Is the laptop worth buying?

    I do hope HHD left it switched on for a day whilst all the updates were being processed otherwise it would have been un-usable. Retail products are very frustrating to deal with as the build you really really need is rarely available cos most retail folk dont have a scooby and buy on make and...
  18. P

    Aircon issue - Astra J

    Ideally you need a wiring diagram for that model of vehicle, this will at least indicate what components are in play. There are safety controls to only bring in the clutch when certain conditions are met, pressure being in the correct zone is just one. If you are confident that the a/c has gas ...
  19. P

    Is the laptop worth buying?

  20. Screenshot 2023-07-10 174927.png

    Screenshot 2023-07-10 174927.png

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