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  1. JD6400

    Commercial hydroponic grow set up

    Not really Tony , it is not that large from what I can make out . I have been approached by a company that is marketing these , as they know we have a good grounding in both the agricultural and equestrian markets in which they wish to target , and it could tie in well with the larger pv...
  2. JD6400

    Commercial hydroponic grow set up

    Profi = tractor p o r n
  3. JD6400

    Commercial hydroponic grow set up

    The ones we are looking into will produce enough for around 90 horses a day . The idea has been around for a few years now , was just wondering if any others had been involved with similar stuff .
  4. JD6400

    Commercial hydroponic grow set up

    Have any other members been involved in hydroponics on a commercial scale ? This is a serious question and not linked to drug production in any way , so please do not drag the tread in to the gutter . It is for the production of barley grass for livestock fodder . But I would like to hear from...
  5. JD6400

    Split phase

    Hi Tony , it was not so much it being an s-type ( although prudent for discrimination ) , it was more the fact that it being a dairy unit he will need an upfront rcd of 300mA or less to protect the whole installation . And as it will almost undoubtedly need to be TT ( as I have never yet come...
  6. JD6400

    Exceeding max zs values on caravan site? With pme supply

    I think the Google link says it is a untitled PDF , but when you down load it it comes up as " Protection Devices " , I hope that is of help ?
  7. JD6400

    Exceeding max zs values on caravan site? With pme supply

    I am using a new notebook , as my lap top has at last given up ! I also have fewer computer skills than an average farm yard animal , so the best I can suggest is to Google " mccb shunt rcd " and I think the Hager PDF is the second one down .
  8. JD6400

    Exceeding max zs values on caravan site? With pme supply

    I think the OP is referring to a earth fault block and possibly a combined shunt trip ( depending on frame size ) We have used them from several different makers in the past . I know Hager list them and Proteus , and I am pretty sure Shcnider do as well . I generally come across them on gensets...
  9. JD6400

    Split phase

    Hi Tony , thinking about it , if it is on a new dairy unit ? It may still need the upfront s-type to be rated for the higher voltage , depending on how he plans to provide a point of main isolation
  10. JD6400

    Split phase

    Don't forget to use equipment rated to the higher voltage
  11. JD6400

    anyone recommend a good capacitive proximity sensor

    Depends on what you are after , are you after make on blockage or break on blockage also 2 wire or 5 wire and the option of hold off or on timer , and what voltage range ? We use most of the above on grain handling gear from several different suppliers , I can look out where we get it from if...
  12. JD6400

    RCCB as main switch?

    Thanks for that Dave , always good to see the reasoning behind how it is done in different sectors of our industry . I can see how it would give you some discrimination if the fault was not to large .
  13. JD6400

    RCCB as main switch?

    Or go and check what is there and then quote . I would say it is still a little early for building up the old bank balance ready for next christmas ! :omg_smile:
  14. JD6400

    RCCB as main switch?

    Hi Dave But why would you want to set it at 30mA delayed as opposed to 100mA delayed , as by delaying it you will have lost the benefit of the 30mA anyway ? Is this something to do with the regs you have to follow for events
  15. JD6400

    RCCB as main switch?

    I had this about 2 years ago , someone on here had found one on fleabay just to prove a point . :dunce2: Despite it being from some knock off 3rd world importer , I still had to go to the trouble of explaining why it was as much use as ---- on a bull !
  16. JD6400

    RCCB as main switch?

    From the description , and without looking at it ! I would say that the installation is likely to be TT , hence the up front rcd ( probably an 100mA S type ) so why or how could it possibly be failing any regs if the new circuit was to be just installed on a new rcbo ( even then if needed ? ) ...
  17. JD6400

    new reqs

    How long has this been the case ? Our once proud industry is on its knees
  18. JD6400

    new reqs

    I know ! :disappointed:
  19. JD6400

    new reqs

    I agree David , But I would expect at least 2391 as the bench mark . Even then I would hope that a in depth understanding would be proved as well, to gain a QS position . I know ECA made me work for it !
  20. JD6400

    new reqs

    Never been NICEIC commercially , only on their PV side for another company I helped out . But had just assumed it would be required .
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