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  1. K

    Spur of external socket

    I was just digging more into RCD fused spur and it is Bs 7288 and it does not comply with regulation so how can one use it to provide additional protection in the scenario above
  2. K

    Fault Finding Brain Teaser

  3. K

    Little Wiring Brain Teaser

    oh sorry I didnt realise. Switch loop in and loop out is 2 plate method but the one I drew is 3 plate method. I will give 2 plate a try aswell. Thanks for these brain teasers please keep them coming.
  4. K

    Little Wiring Brain Teaser

  5. K

    Spur of external socket

    Verry nicely explained telextix but I have a hypothetical question. Lets say the same scenario outside socket which is on the ring, you spur it off for shed but first you install FCU 13A then SWA 2.5 all the way to shed. but how would you use RCD in shed as you usually have RCD in the main...
  6. K

    Continuity for Neutral and cpc in TNCS due to PEN conductor?

    No it was single phase DB and my understanding was there was earth fault as there was continuity between neutral and earth as even after switching off main switch there was continuity
  7. K

    Continuity for Neutral and cpc in TNCS due to PEN conductor?

    Thanks everyone for reply and sharing your knowledge with someone who is quite new like me. As you all stated Neutral is linked at somepoint with earth so there will always be continuity but if we switch off the mainswitch as it is doublepole switch and it would cut neutral aswell so do we...
  8. K

    Continuity for Neutral and cpc in TNCS due to PEN conductor?

    Hi, I am struggling to understand one concept if anyone could shed some light. as TNCS has combined neutral and Cpc so if on the consumer side hypothetically if you check continuity on N+Cpc without disconnecting any conductor, do we get continuity of Neutral and CPC as on the supply side, its...
  9. K

    NAPIT Certification Scheme Is my work going to be appropriate for Napit first assessment?

    Hi JBW this sound very interesting. Could you explain abit more about how you mentioned connecting tails to switched fuse as I am abit lost sorry as this does sounds like a perfect setup but I am not very experienced as its only been couple of years I have been working so never really been...
  10. K

    NAPIT Certification Scheme Is my work going to be appropriate for Napit first assessment?

    Hi JBW thanks for reply. I spoke to Napit and all they said ask your friends or family if they allow you to install two new circuits so I am assuming I am not responsible for non-complients for the rest of installation but only for two circuits that I will be installing and of course I will be...
  11. K

    NAPIT Certification Scheme Is my work going to be appropriate for Napit first assessment?

    Thanks for your reply. The mainboard is under the stairs and workshop is about 2 meters away next room so I am planning to use trunking to run the main cable to connect the main DB with sub DB and planning on using 6mm cable In terms of OCPD, I am thinking of using a 40A circuit breaker. If I...
  12. K

    NAPIT Certification Scheme Is my work going to be appropriate for Napit first assessment?

    Hi everyone My Napit assessment is approaching and it would be nice to get some feedback for my planned work on my of my friends workshop. There is already a consumer unit but its without RCD protection and thats on the shop floor. My plan is to make two circuits one lighting 6A and one Ring...
  13. K

    Low Insulation resistance test on smoke detectors

    SOme of these are badly fitted and I sometime avoid taking them down incase if they dont fit back properly so was wondering if I could test with low IR by using Line,Neture together with earth
  14. K

    Low Insulation resistance test on smoke detectors

    Hi Everyone Just a question bothering me as you cannot do Insulation resistance test on smoke detectors as they can become damaged so obviously smoke detectors are sensitive but they are also installed on lighting circuit so if perform low insulation resistance test 250V between Live and...
  15. K

    Which cable in light switch actually goes in common??

    Thank you everyone. really appreciate you took time to answer ! Cheers
  16. K

    Which cable in light switch actually goes in common??

    Hi Guys I have been taught in college and in books that live goes in common and switch live goes into terminal L1 or L2 but practially speaking if we give Line conductor Brown in Common and Switch Live which is blue lets say with brown sleeve in L1 then the problem which I face is when Switch...
  17. K

    Which method you use to install spotlight with no access above ceiling ?

    Which method you use to install spotlight with no access above ceiling ? Do you make holes under joist and fish wires and then later how do you fill them? or how do you overcome this and at the same time try to respect regs?
  18. K

    NAPIT Certification Scheme Napit Ist Assessment

    If you do a consumer Unit change, do you still need to install another circuit to meet 2 circuit requirements for Napit assessment or CU change itself is enough to meet the requirement?
  19. K

    Trainees, Show Us Your Installs

    Just a question about changing Consumer Unit as they say that cutout fuse belongs to DNO so you should never try to interfer with it but honestly speaking all sparkys change CU as soon they pick up the job so am wondering how do they perform this if the CU does not have linked main switch?
  20. K

    Apprentice in need of help with college work.

    Thank you westward

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