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  1. The apprentice

    Fault on ring circuit (weird)

    Hi there was called to a job with fault finding on a ring 120v on one socket 190 on the other the guy had been doing some work in the kitchen by removing a socket and joint it straight through now it leaves the board as a radial so I had taken one socket of getting voltage on the earth and when...
  2. The apprentice

    TPN Isolator testing

    Yeah I thought I’d be measuring the outgoing side of the fuses which would be fed via a 3 phase mcb but then iam thinking as in if I test outgoing I would get a higher resistance through the fuses so I thought I’d put down the fuse sizing and rating an in accordance the max zs value on the test...
  3. The apprentice

    TPN Isolator testing

    Thanks again really appreciate your help type G fuses at 16 amps iam led to believe as for putting down on the test papers the 3 phase breaker that feeds them will I be noting down the zs for fuses or the 3 phase breaker ?
  4. The apprentice

    TPN Isolator testing

    So would you just link it out from the fuses to get a reading at the end point
  5. The apprentice

    TPN Isolator testing

    Also when noting down on the test paper do I knife down the breaker or the fuses for on the testing papers ?
  6. The apprentice

    TPN Isolator testing

    Hi there thanks in advance for the help iam still learning but soon to sit my trade test, on the booth picture number four is a TPN isolator I have to chose the correct fuses but on the testing this piece of equipment R1 R2 3 phases to earth record highest reading at end point I don’t need to...
  7. 646183A8-09A5-4DB7-AE9B-B5A476348152.jpeg

    646183A8-09A5-4DB7-AE9B-B5A476348152.jpeg

    • The apprentice
    • Media item
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    • Category: Professional Electrician
  8. The apprentice

    Landlords supply outdoor lighting

    Thanks mate, trade test in may been on here since I started thought by joining it would give me a bit more knowledge on my spare time you’ve replied to a good few of my post through out the years and I appreciate your help little spark
  9. The apprentice

    Landlords supply outdoor lighting

    Hi there just looking for a bit of advice on a landlords supply within a block of new build flats my question is there is 6 outside lights which light up the path way to the bin stores. Now what I was thinking of doing is wiring them through the downstairs flat and drilling through and running...
  10. The apprentice

    Diversity (hot tub) & (sauna)

    Sorry 50A supply’s the sub board then from that 6mm2 40A breaker supply’s another sub board to feed sauna and hot tub
  11. The apprentice

    Diversity (hot tub) & (sauna)

    Hello there, I have a sub main in a small bunker that is supplied from an in house 50A supply that then supply’s a 6mm2 SWA that supply a small board that feeds a sauna and hot tub and also a 32 A commando socket and some small led lighting they are Adding in 2 x 3kw Emerson’s for a shower can I...
  12. The apprentice

    300 mA RCD main switch agricultural (tripping)

    Was a borrowed neutral
  13. The apprentice

    300 mA RCD main switch agricultural (tripping)

    I will get a pic on Friday mate what has changed is the old bud bar system he re routed the cable that fed that to a main switch then the grain dryer was a borrowed neutural then we left it on a normal main switch for time being and when we put it back in I tripped once grain dryer was removed
  14. The apprentice

    300 mA RCD main switch agricultural (tripping)

    Thanks mate, thing is all socket circuits are 30mA etc all 3 phase stuff isn’t so iam going for the 3 phase stuff
  15. The apprentice

    300 mA RCD main switch agricultural (tripping)

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    image.jpg

    • The apprentice
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    • Category: Electrical Videos
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    image.jpg

    • The apprentice
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  18. The apprentice

    300 mA RCD main switch agricultural (tripping)

    Main switch is for the whole installation now I have sub boards off this running icleast 20 meters then 4 led strip lights also part of the old lights are wired to in armour nightmare
  19. The apprentice

    300 mA RCD main switch agricultural (tripping)

    The cable feeding the new 3 phase board that a spark done then I took over was working fine then the grain dryer had a borrowed neutral that had to be disconnected now is there anychance he’s got his phases mixed up with it being an armour and the beautiful could be live
  20. The apprentice

    300 mA RCD main switch agricultural (tripping)

    I would need to turn every switch off to insulation resistance test it so no lights etc get damaged this is the 2nd rcd main switch I have out in because thought it was faulty put the other one in and tripped straight away wouldnt let me out it on

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