Recent content by Stuart Houghton

  1. Stuart Houghton

    Minimum requirements to produce and sell bespoke ceiling lights?

    Product liability insurance, which as its an electrical product that could if kill someone, would, I think cost you a lot of money. Good luck anyway.
  2. Stuart Houghton

    Earthing Generator TNCS

    Sorry still don't understand what you mean. The earthing will be be 6mm from existing consumer unit to new consumer unit then 6mm from new consumer unit to the earth rod. That way its earthed when there is a supply from the grid and earthed via an earth rod if the grid is completely lost. Grid...
  3. Stuart Houghton

    Earthing Generator TNCS

    Not sure what you mean. I need to provide an earth which I am doing using an earth rod and the house is TNCS. I don't think I can switch the Earths as part of the change over switch so the TNCS will be connected to the earth rod as well. The generator will be a small 2kw portable type.
  4. Stuart Houghton

    Earthing Generator TNCS

    to keep it simple it would be the ring that supplies the fridge and central heating
  5. Stuart Houghton

    Earthing Generator TNCS

    it would flow down the neutral after the break into my customers house at which point the neutral and earth are linked together, then to the existing C/U then to the CPC of the ring which is linked to the earth rod. Hope that make sense !
  6. Stuart Houghton

    Which tool belt would you recommend?

    This looks good and you can clip different things on the belt ToughBuilt Large Drill Holster - https://www.toolstation.com/shop/p54039
  7. Stuart Houghton

    SWA Termination Exsposed Packing

    Buy some PVc flexible conduit and run it down in that.
  8. Stuart Houghton

    Earthing Generator TNCS

    My customer wants to have one ring main connected via a change over switch to a generator. Earthing is TNCS My idea was is move the ring main to a new consumer unit run a 6mm T&E to the change over switch from the 32 amp mcb in the main C/U where the ring main was. Then a 6mm T&E back from...
  9. Stuart Houghton

    Low Generation

    I have been out to look at a system that is generating less than expected. It has 21 x 190 watt Suntech modules. 9 on one string and 12 on the other. The irradiance at the time of the test was 800 watts Open circuit voltage was String 1 304 Volts and 4.47 Amps String 2 419 Volts and 4.49...
  10. Stuart Houghton

    FiT Rate July - September 2017

    up to 10 kW 4.07 and 5.03 export
  11. Stuart Houghton

    Export Limitation

    I received a call from a person who was not a customer of mine asking to connect up his 8 kW PV system. Its a new build and the modules were installed when the scaffolding was up, this was several months ago. System is 2 x ABB PVI 3.6-TL-OUTD inverters connected to 32 x 250 watt modules. The...
  12. Stuart Houghton

    4 x 50 watt LED Flood Lights on 3 PIR's

    I'm planning to install 4 50 watt LED flood lights and three PIR's the idea is to link the switched output of the PIRs so if one is activated all of the lights come on. I also plan to link the switched output to a wall switch so that the customer can turn them all on manually. It is possible...
  13. Stuart Houghton

    [HELP] Grid fault / 601 display error

    What was it as I read that it means high DC value on the grid ?
  14. Stuart Houghton

    EPC New Build

    I've just installed the modules on a new build, it will be some weeks away before I can install the inverter and commission the system. How does it work with regard to the EPC. Do I leave the system switched off and the builder ask the energy assessor to issue the EPC for the building and...
  15. Stuart Houghton

    VAT rating on batteries and off grid.

    My interpretation is if installed after the PV has been installed and commissioned then it should be 20 % If installed at the same time then possibly 5 % but its not clear cut. If you look at the VAT guide for reduced VAT it does not show battery systems in the list of products. I wrote to...

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