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  1. L

    New BYB What Zs do i use?

    Thanks
  2. L

    New BYB What Zs do i use?

    Hi just got my new bs7671 and when checking the max Zs for BS88-2 in table 41.4 and there is 3 lines of figures? Can someone please tell me why this is
  3. L

    max zs table in the osg

    no I'm still using the green one
  4. L

    max zs table in the osg

    Hi Peter999 page 122 is table c1 Application of cables for fixed wiring.
  5. L

    max zs table in the osg

    Hi I'm using table 41.4 has it is for street lighting.
  6. L

    max zs table in the osg

    Hi all sorry for this silly question but i cant seem to find the max Zs table for a 10A BS88-2 Fusein the osg. I can find it in the BGB table 41.4 10A = 7.19 ohms and i know to multiply it by 0.8 (7.19 x 0.8 = 5.75) for rule of thumb but i would like to find the right table in the osg
  7. L

    Rewire with no cpc on lighting circuit???????

    no check all points no cpc. Thanl for all the replys will speak to her and find out hpw she want to play it.
  8. L

    Rewire with no cpc on lighting circuit???????

    no its just lose in the loft
  9. L

    Rewire with no cpc on lighting circuit???????

    Morning all been ask to change some light fittings & switch's in a bungalow as the lady said it had just been rewired by the local council and she would like some nice chrome fittings. But the lighting circuit has been done in d/insulated singles with no cpc. The power circuits are done in t+e...
  10. L

    Spur with two sfcu on it

    Thanks for all the reply's i think i best put the 13a sfcu in as it will only take 5 mins
  11. L

    Spur with two sfcu on it

    Hi all right the socket is on a ring final then going to the 1st sfcu then looping out to the 2nd sfcu o know you can only have 1 socket off a spur but both sfcu will be at 3a so i don't think i need a sfcu by the socket.
  12. L

    Spur with two sfcu on it

    Hi all is this ok to run two sfcu like this ? Or should i run it like this
  13. Spur 2.JPG

    Spur 2.JPG

    • Lighting
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  14. Spur 1.JPG

    Spur 1.JPG

    • Lighting
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    • Category: Electrical Videos
  15. L

    Testing street lighting columns

    Hi i have work on many columns, sign post that have had DNO supply in them and not just in the first column but all down the street. It is sometimes cheaper for the local council. If the DNO has a main running down the road it cheaper to use that than digging up the road to lay there own swa...
  16. L

    Testing street lighting columns

    Hi Engineer54 most of the columns have a DNO supply so i will have to pull the DNO fuse to isolate the circuit that go's the the ballasts / lamp to get the Ze if i don't disconnect the lamp/ballast i can not do IR or R1 + R2 To do L-N to E tests on the cable upto the Ballast wont i have to...
  17. L

    Testing street lighting columns

    Hi all i have some work coming up testing street lighting columns on price per columns so i want to get myself ready, I've done street lighting work before but all the testing I've seen done was never done right This is what they are looking for Polarity Continuity of Protective Conductor...
  18. L

    Is this worth it ?????????????????

    Hi alarm man i have to pay the first £10 of fuel in each day if i have to put any more in then i can claim it back off the company the next week
  19. L

    Is this worth it ?????????????????

    Hi supasparxs No C+G just a bit on 17 edt & the company then a test
  20. L

    Is this worth it ?????????????????

    Hi Rockingit it will be worth it in the long run but just was not sure about the £70 per week its gonna cost me is this the norm for self-employed ? But in a way in return a get a company van

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