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  1. carl9254

    Building Control

    So the k reading would generally be 115?? Because housing cable is copper pvc 70 deg?? So if i wanted to work out this for my downstairs sockets circuit for example where would i stick my probes for the I reading??
  2. carl9254

    Building Control

    I get 6.525, so 10mm would be good, thanks for that :) so this equation is used to determine earth size from met to cu?? Ill do the job tomoz.
  3. carl9254

    Building Control

    Its a 1361 100A, so am i right in sayin it meets around the 0.3-4 mark?? I took my last k reading from the 30 deg table, are most 70 deg??
  4. carl9254

    Building Control

    Why did you do 0.1 disconnection and not 0.4?? Also why 115 for the k and not 143?? Tryin to learn :)
  5. carl9254

    Building Control

    So if i stick a 16mm in it will be fine.
  6. carl9254

    Building Control

    Im new to testing so just checking if done right. I got 1.37kA for my L-E reading. 1200A for my t reading and 143 for my k reading. Does that look right and will the answer be 11.49?? Anyone?
  7. carl9254

    Building Control

    So will 6mm be ok for a TN-S spply??
  8. carl9254

    Building Control

    Elecsa have said board change is fine and 6mm is fine aslong as supply is TN-S and that formulaworks out correct. Help on the formula would be good??
  9. carl9254

    Building Control

    Hello, got my Elecsa assessment on 4th january, going to change the cu in my house and use that as assessment job, its simple as only 3 circuits, sockets, lights and shower. But shall i tell building control?? Elecsa said upto me, they dont request it but they will let building control know...
  10. carl9254

    Quote

    Hello, been asked to quote for a job today, a guy wants a unit he has to have 3, three phase sockets and 2 double mains sokets in his unit, ill be getting supply from d/b about 25m away, he says they will be powering compressors etc. The unit isnt massive, prob about 8x8 metres. How much you...
  11. carl9254

    Which Van is best for an electrical contractor?

    Im looking to buy anytime soon, will have about 3.5k to spend, want a small van, what shall i look for??
  12. carl9254

    Total Rewire

    So basically if your freezer is plugged into your downstairs ring main all the wiring would have to be protected by conduit, trunking etc or more than 50mm in the wall?? And am i right in sayin if you add to a circuit and it needs to be rcd protected you have to do it, but if your changing like...
  13. carl9254

    Keeps Tripping

    Fixed this yesterday. Took switch off and tried resetting mcb and it reset, put another switch on and fine, bit strange but guess they are faulty sometimes :)
  14. carl9254

    Total Rewire

    What if you go to a job and your changing a faulty light, switch or adding to the circuit etc and the circuit is not protected by rcd and it needs to be, but the customer does not want to fork out for one??
  15. carl9254

    Total Rewire

    So what circuits would you put an RCD on??
  16. carl9254

    Total Rewire

    Ok then will do, thanks everyone.
  17. carl9254

    Total Rewire

    The property is a shell and my mate isnt moving in till everything done and he said i can take aslong as i need, he understands im early in my career so its good, i can make as much mess as i want ;) Room by room sounds best. I aint gettin paid loads to do it so not sure if to inform bc...
  18. carl9254

    Testing

    So its not law to do so?? Does the same apply to a cert??
  19. carl9254

    Total Rewire

    So would you do one room at a time or just rip the whole place up and do the lot all at once. Gunna use this for my elecsa assessment too.
  20. carl9254

    Testing

    Do you have to test every job you do?? Even if it a like for like change like socket or light??

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