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  1. H

    Extension of lighting circuit!

    Hi, I have been to look at a job, basically lady wants two lights in loft and a switch, no problem coming off existing upstairs lighting circuit via a bedroom pendant below. Just after a bit of advice, existing db is 16th ed, so lighting circuits not rcd protected. Would you insist on...
  2. M

    Meter tails buried in wall.

    I have been asked to rewire a kitchen for a client and I have noticed the meter tails are buried in wall and taken through ceiling to fuse board approx 3 meters. Now they have no additional protection. So my question is if my work tests fine and within regulations is it my responsibility to...
  3. R

    Twin and earth buried in concrete.

    Went to look at a kitchen refit today. Did a bit of investigation work and the kitchen appears to have a twin and earth buried direct into the floor.its rcd protect however in my opinion this is bad practice? On another note iv got take a new cooker supply to annual and in the middle of the...
  4. C

    buried tails

    just after a bit of advice on buried meter tails, the situation is this is a ground floor flat which as had a fire and needs new lighting circuit new cu and new radial to bedroom and hallway, at the moment the meter is in a outside attached outhouse along with a meter for the upstairs flat both...
  5. T

    eicr buried cables

    doing an eicr and have swa going into outside enclosure into terminal block into 10mm twin and earth then into plastic trunking going underground to outbuilding located about 15 meters away. outbuildings electrics are then split using fcu's for lighting electric door an alarm etc. i am...
  6. N

    EIC etc. For New Circuits

    Hi again guys. So, if you're filling out EIC + Sched Of Inspections + Sched(s) of Test for an existing installation, for example because you've added new circuits :- 1. When filling out the Sched Of Inspections, do you fill it out thinking about the new stuff you've put in or the whole...
  7. K

    Mains Cable

    Working on a property at the moment and mains cable coming in from the road has been exposed. The builder has taken up the flags from the front garden and right underneath them was the mains cable. The front area of the property is going to be tarmacked in a few weeks so they will be digging...
  8. B

    RCD protection to Hi Tuff

    Hi Guys Been to see a job for a mate of mine who is in a bit of a money pit.we have completed all house new dual RCD mains with non RCD way ready for the shed supply. he has had a peice of Hi Tuff donated. to be cliped externaly 300mm down into a duct buried and marking taped. now I would...
  9. Top Cat

    Cables buried concrete?

    Did a consumer unit change the other day only to find that all the down stairs sockets had been buried in concrete. It must have been a wooden floor then the good old builder just poured concrete in! Insulation readings are L - L = 4.2 M ohms, L - E = 2.21 so just ok. Zs is ok. The problem is...
  10. B

    RCD Protection of tails to flat

    1st floor flat on PME supply. Service head on lower floor below G/F flat. Tails to 1/F flat some 10m away protected by switched fuse after meter. Cant see run of tails but 99.99% sure they are buried in the wall as no conduit/trunking evident and they also go through the communal staircase area...
  11. E

    swa buried in render?

    got an extension to price for, was planning on putting a sub main in from the existing board(3036, 100mA RCD upfront, TT) out and along the exterior wall, then back in to a new board which will supply the new rings, lights etc in the the extension. customer asked if the cable could be buried in...
  12. S

    Installation Reference Method

    Hi What is the installation reference method for flat T&E cable, with capping and buried in plaster, am I correct in thinking it is method C as all the others in table F6 (page 150) in the OSG refer to insulation? Steve
  13. I

    132KV Underground Buried Cable

    Dear Friends, I have am using a high voltage cable 132KV and is buried underground. I want to run a Differential protection pilot wire beside this. What the regulations to be looked for the burial of this pilot wire beside the high voltage cable. Please provide your valuable suggestions...
  14. R

    Board change query.

    Morning everyone Just a quick one. What do you guys do when doing a board change and you come accross a 9.5Kw shower on a 40amp MCB wired in 6.0mm? Its not clipped direct so current capacity tables show that its less than the 40amp MCB.
  15. P

    Buried SWA De Rating

    Hi Im wondering why the ratings for buried direct swa has been reduced in the 17th ed regs compared to the 16th given the dramatic rise in cable prices. it seems strange what are they saying ? are all previous installations are non compliant. as they have de rated the cables also just where in...
  16. D

    Zoning and other trades ......!!!!!

    :sad3::sad3::sad3::sad3:..... crap morning but saved by been prepared, was pad-sawing out a socket box in dot and dab about 1m from a window with a radiator under it, then psssssssssssssss water squirting out, was hot so isolated boiler to drop pressure and bashed out a large section of wall...
  17. V

    DC Cable buried <50mm in wall

    Hi all, I've got a job coming up on a new build. The inverter will be in a purpose built cupboard the outside of the property so usually I'd run conduit down the wall however due to aesthetic reasons the client wants the cable to be buried in the wall. How would you go about this - can SWA be...
  18. 1capybara

    can I use HO5-VV-F in PVC conduit underground?

    someone said i cant use fine stranded cable underground in PVC conduit. the "F" in HO5-VV-F stands for fine stranded. I cant see any 17th ed regulation why it cant be used underground in PVC conduit. what do you think?
  19. P

    Buried 10mm cpc

    Hi guys,Is it ok to sink a 10mm CPC to a oil tank in a bit of duct under a patio about 4m in length?CheersPaul
  20. S

    Testing buried cables for faults

    Guys, I had a call today from a campany who has a large cable buried over 100M and believe it to be damaged somewhere along the run. I have not looked at it...... This is not something I have encountered before, but how do you go about testing such a cable and working out where to dig?

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