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buried

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  1. J

    Wires buried in plaster vs oval conduit

    We have recently had some electrical work done in our house and the electrician simply clipped the cables to the wall which was later plastered. When I have done similar wiring myself (before the current regulations - I do have a degree in Electrical Engineering) I have always used oval PVC...
  2. S

    Twin and Earth riser - buried in the wall.

    Putting a new CU into a flat. The riser is protected by a fused switch (immediately after the meter). The riser is in 16mm T+E i.e non armoured. I can't see it anywhere so it must be within the fabric of the building Is this a non compliance?
  3. oxford 12

    Time delay RCDs and cables in walls

    Your carrying out an eicr on a domestic property with a time delay 100mA RCD protecting lighting cables within 50 mm of the surface. What code would you give it c3 or c2?
  4. R

    Buried junction boxes regulations

    Hi there, I am looking for some info on the current regs regarding the burying of junction boxes in my garden for outdoor lighting on a retaining wall. The junction boxes will be behind the retaining wall. I am using 3 core SWA and ip66 boxes. Upon reading some info I have picked up that...
  5. T

    Main earth for a submain

    Hi everyone, apologies in advance, it's been a long day and I've not even had my lunch yet, so I'll try and keep this quick! Running a supply to a wooden summer house, coming from existing CU on a 20A MCB with 30mA RCD as the main switch. It's going to run in 4mm 3-core SWA buried under a...
  6. Mark42

    Look what the supply company buried in my garden! (The result of years of argument - don't give up!)

    I have for years been trying to get my existing split-phase supply upgraded to three phase. The DNO sent me a succession of ridiculous quotes, all around the £25K mark. No amount of negotiation, or pointing out that the existing transformer - which supplies only three houses - was ancient, had...
  7. bigspark17

    Swa buried

    Can an swa be buried outside prescribed zone? Not rcd protected!
  8. P

    Locating distance of earth fault in buried swa

    Hi I have a earth fault on a customers drive with 30 drive over fittings. The swa runs past each fitting and has a resin branch joint,with one cable going into fitting. Have narrowed fault down to cable by dismantling fittings etc. Is there any tester or method of measuring from the end of cable...
  9. E

    HELP: Exposed Un-Isolated Buried Armoured Cable Discoved in Garden

    Hi, I've just come across this forum so I hope someone can help me quickly on this. We recently moved into our new build home in April 2015 and have been here for 2 months roughly. I was mowing the rear lawn this evening and kept getting the mower stuck on something in the lawn. Not thinking...
  10. B

    Buried meter tails more than 6 meters

    I have been approached to 2nd fix a job someone started but failed to finish due to ill health (apparently) this guy has buried the meter tails which I estimate at about 6-8 meters (25 mm16mm earth) taken into the outside enclosure I like to know peoples thoughts on this please I'm thinking...
  11. N

    cable behind 50mm insulated plasterboard

    Hi, doing new build first fix ,chased wall for 25mm conduit to run ring mains on 32 amp rcbo (TT installation) behind 50mm insulated platerboad, is OK to run in 2.5 t&e. Without factoring in thermals, would be very expensive to beef up to 4.0mm.
  12. N

    More 2394 questions

    Another one Describe 3 types of wiring system that are permitted outside of the prescribed zones, when buried 30mm deep in a wall?
  13. P

    100mA time delay rcd

    Hello guys, I'm after a bit of advice/opinion on this one. A customer has a plumis mist sprinkler system that needs power. I'm planning to stick in a separate unit, 100mA time delayed rcd as he wants the cables buried. If I just stick a mcb off of that would that be acceptable? It's not a TT...
  14. robd

    EICR SWA not buried.

    Hi All, Just writing up an EICR I did today, got a long garden with SWA feeding shed at bottom, armoured not earthed (code 2) but I also noticed for part of it's run, near the veg patch, the SWA is lying across the ground. It doesn't meet 522.8.10 so I'm guessing code 2 and a recommendation...
  15. K

    Buried cables and bird baths

    Hi people. I have a client that wants the bird bath lit from beneath, with out the light in front of it, which is fine as its sounded by grass. i can just get a ground based uplight, the impact type as they have a ride on lawn mower and i thought it would be advisable. There will be an...
  16. R

    Type of 3 Phase supply cable?

    Hi, Iv found a 3 phase supply cable in the basement of a restaurant. It had been plastered over and I'm curious if this type of cable is legal. It had been installed a long time ago but is Red, Yellow and blue phase colours, it obviously has pvc covering over the copper, then half of the...
  17. L

    Frozen four inch buried conduit

    I'm working on some buried conduit and it is frozen. Have managed to break free some of the ice, now there is suction at other end when using a vacume. However I cannot get a bag or a fish tape through all the way gets hung up part way through. I have tried antifreeze was wondering if anyone has...
  18. D

    Rcd protection

    Hi wondering if some1 can advise me on a job I have been doin I've run a 10mm swa 3core to a outer building office mostly buried into a consumer unit protected by a rcd . At the house end consumer is it best to terminate in rcd side of board? or general supply side ?... Because if I terminate in...
  19. W

    buried boxes

    evening all, im after a few pointers, could somebody suggest a decent box that can be buried under ground, im looking to install some bollard type fittings in the back garden on top of flags. im thinking of SWA in and out, flex up through flag into bollard. cheers
  20. D

    rcd meter tails

    hi i tested a domestic property earlier,and someone has sunk the meter tails,the fb is a 17th edition,my question what size external rcd is required for the meter tails,its a pme system,many thanks

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