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buried

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  1. E

    bonding structural steel buried within fabric of building

    was in a half finished house today that has just had an extension built on it, and i was suprised to see 10mm bonding to the steel RSJs that span the garage and where the kitchen has been knocked through and at the front where a porch has been created. traced them back to the MET, have all been...
  2. A

    rcd in kitchen

    hi all just want to check that i am right have been ask to check over another sparks work in a first floor flat all he has done is added 3 new sockets in the kitchen the only thing is it is a old ccu with rewireble fuse and no rcd as the cables are buried in the wall it needs to be on a rcd. one...
  3. W

    Can meter tails be buried in the wall ?

    Hi All , Got to move the consumer unit for a friend , i believe the furthest it can be moved from the meter is 3 metres but can i bury the double insulated meter tails in the wall or do they need to be uncovered or in trunking. If they can be buried , what protection is needed ? Many thanks Chris
  4. ringer

    SWA buried at 50mm

    Customer has just had new driveway laid. Concrete drive alongside house with approx 100mm width of gravel between concrete drive and wall of house. SWA runs alongside house to garage (approx 4 metres) and has been clipped to external wall of house at depth of 50mm below top of gravel. Customer...
  5. J

    Extending existing swa garden light circuit and adding fittings

    A customer has 2 lights on a 30m circuit in 1.5mm swa which is buried half way round the perimeter of the garden and the lights are spurred off it at the end via Y boxes, they want another 10 lights added. I would normally use Wiska boxes & earth clamps but they want it as discrete as possible...
  6. C

    Advice please depth of buried cable

    Hi all Can anyone tell me is there a legal requirement to bury exterior armoured cable at a particular depth or is it just a recommendation. I am not an electrician but am in dispute with a company. Any advice would be appreciated. Stuart
  7. D

    Alterations involving buried metal conduit

    The property in question is an ex-council flat with brick walls and concrete floor and ceiling. Most wiring is buried in steel conduit. The conduit is in good condition and it's been rewired in singles including a CPC. All in all, the wiring is pretty good. The householders would like a lot of...
  8. D

    Current carrying capacity,3 core, SWA buried

    Garage install using 4.0mm SWA 3core, clipped direct 10m then buried underground 10m. Would 4.0mm SWA be sufficient to carry at most 38 amp? (32amp ring + 6amp lights) Looking in regs (page 280) I'm not sure what to use 6.0mm or 4.0mm, as for 3core it states maximum current carrying...
  9. sparks1234

    Cables buried in walls

    Now, we all know that cables in walls have to be either RCD protected, deeper than 50 mm or in steel conduit. My question is, would metal flexible conduit count? We install a lot of cables in petition walls for offices and installing rigid conduit is a non starter, RCD's add a lot to cost, the...
  10. telectrix

    RCD or Not

    Just been called out to install cooker circuit. 6mm and 45A Isolator Switch, obviously dedicated circuit. Existing Wylex D/B with 1 Ring for whole house on RCBO, 2 Lighting not RCD. 1 Spare way with 16A MCB, assume was for Immersion Heater, no longer used. Changed 16A MCB for 32A and connected...
  11. W

    Distribution circuit with cables buried in walls

    Hi All I have got to quote for a distribution circuit to a garage Cu. My Question is if you bury the cables in the wall how can you provide the 30mA protection required for that cable and still achieve discretion because the garage board will also have a 30mA RCD. Do you just provide the...
  12. N

    Bonding RSJ's which will be totally buried anyway...

    we've been told to do this.... why?
  13. E

    Buried Tails

    I have been following a couple of threads 13634-regs-rcbo-s by wire the world and 13628-rcd-testing by king. A job came in today to do a PIR on a property that I worked at some years ago and I’d like your opinions. The cutout is in a basement garage, feeding a cu which is high up in the ground...
  14. P

    Buried cables.

    Your thoughts please lads and lasses. I'm assisting a local spark who's is fitting quite a few outside lights to a large kitchen/diner extention. When I've done them in the past I've always managed to get the cable run in line with a socket or switch so the cable is in the safe zone run that...
  15. gaffer

    buried swa fault

    Hi all hope someone can point me in the right direction, On one of my jobs I have a detatched garage fed from the main house by a buried 16mm 2core swa,now I have been splitting the garage ccts from the flat ccts above . When I switched the supply back on the mcb in the house tripped.I had...
  16. M

    Main cable buried in the ground?

    hello i got a question , i need to run armour cable from the main meter electric box which is outside to the house and its something like 10 meters and i want to run it trough a car park so how deep that should be buried?
  17. W

    Rcd protection?

    Hi guys just a quick one, all cables 50mm and less to be protected by rcd, what about tails??? correct me if im wrong but they have no protection do they??? :confused:

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