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  1. B

    question for the experienced or recently qualified sparky

    Oh so true, it's 40 years ago since I did any trig in tech during my apprenticship, but last week I actually had to drag it out from the recesses of my remaining brain cell to calculate the current in the neutral on a facility and use graph paper. My head was spinning after a while, would...
  2. B

    single phase to 3 phase

    So you want to rewire the installation for 3 phase supply, what voltage do you want to work at 400V LL or 415V LL, you need to take in account load balancing so its not just a case of installing a 3 phase panel board or DB and connecting the final circuits in hope. If you can split the loads...
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    Strange Residual Current Device tripping on lamp post

    Fairly common with cheap LED lamp drivers, to make life easy, connect non LED lamp and see does it happen. then check your reading again, if they are clear and the RCBO doesn't trip then you know the LED driver is the problem. You will only drive yourself around the bend
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    @ 33 & 10+ years of various jobs with no end reward. Time to be a Sparky! Help please

    have a look at getting in renewables installation or maintenance, that's where the future lies.
  5. B

    When electrics go wrong!!!

    here's the result of a numpty damaging a brand new voltage stabilizer by getting the 3 phase connections on a generator wrong, and its all marked R,S,T,N. Connected a phase output line to the neutral and neutral to a pahse so it put two phases through the master rotavolt controller and left...
  6. MRV2.jpg

    MRV2.jpg

    • Biff61
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  7. B

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

    I know these are UK pics, but I have to work in the developing world, and what i see daily would make you cringe, but here are some of the doozys.
  8. Generator house MDB.JPG

    Generator house MDB.JPG

    • Biff61
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  9. Adama switch room 001.JPG

    Adama switch room 001.JPG

    • Biff61
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  10. IMG_6566.JPG

    IMG_6566.JPG

    • Biff61
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    • Comments: 0
    • Category: Electrical Videos
  11. IMG_6565.JPG

    IMG_6565.JPG

    • Biff61
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    • Comments: 0
    • Category: Electrical Videos
  12. IMG_6443.JPG

    IMG_6443.JPG

    • Biff61
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    • Comments: 0
    • Category: Electrical Videos
  13. IMG_6418.MOV

    IMG_6418.MOV

    • Biff61
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    • Category: Electrical Videos
  14. IMG_7306.JPG

    IMG_7306.JPG

    • Biff61
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    • Comments: 0
    • Category: Electrical Videos
  15. IMG_6385.JPG

    IMG_6385.JPG

    • Biff61
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    • Comments: 0
    • Category: Electrical Videos
  16. IZYK8333.JPG

    IZYK8333.JPG

    • Biff61
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    • Comments: 0
    • Category: Electrical Videos
  17. B

    Sequential timers, need advice on a good one.

    May I suggest a rephrasing of the requirement? At the moment you are seeking a sequencer which will on the push of a button start up plant 1, then plant 2...and finally plant 6. Is this always what you want to happen? Close, I need the delays on each AC starting up to allow the diesel generator...
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    and you think we are being ripped off

    Schneider/legrand are rip off prices on everything, everywhere. Schneider took over APC and their prices for spares went through the roof, 2.2 Mtr 3 compartment Schneider PVC trunking with out dividing fillet or cover $38 if complete with fillets and covers then it hits £48 MK consort...
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    Sequential timers, need advice on a good one.

    Guys, Hi, need some advice on sequential timers. I need to set up 6 containers with 2 ton (24,000BTU) Inverter Split Air Conditioner units supplied through individual contactors, I am looking for a sequential timer that can allow me to space a starting sequence of 15 seconds between each...
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    Dodgy trade pictures for your amusement! - 1 Million Views!

    here's a good one, this was the MDB for a warehouse complex with 20 warehouses, 3 office blocks, on the right is the Utility supply incomer cabinet. 6 weeks solid work to replace and fix this up. We replaced with a 250amp 250 TPN eaton load centre, steel trunking cable managment, new SDBs...

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