walls | Page 5

walls

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  1. R

    Installing boxes (and cabling) in Bellrock Plaster walls

    Anyone had any experience with Bellrock Plaster Partitions ? Seemed to be popular with John Lawrence (Glasgow) builders in the mid-late 1950s but I can't find may other examples of them. The entire wall is constructed from a sort of plaster honeycomb (approx 6" wide hexagons made of solid...
  2. S

    sockets in stud walls

    do sockets in external stud walls need to be fire rated? also in timber framed houses is it only the joining walls that need to be fire rated? where can i find documents to help me with this, cant find much in document p or bs7671
  3. I

    Stramit Walls (internal)

    Hello there have a problem re internal walls. there made of compressed straw between plasterboard, which i think makes them stramit board. i have been told that there are preformed channels for cable/pipe, does anyone know the spacing of these channels?? or where to find out? one more...
  4. S

    Foam gaskets for double sockets on uneven walls

    Does anyone know where I can get foam gaskets for double sockets to take up the slack when mounting a double socket on an uneven surface? A client has bought some v.nice flat brushed chrome sockets, but he bought them online & they didn't come with gaskets. They are to be mounted on a reclaimed...
  5. P

    Stud walls

    Help needed, I have a room to fit 2 socket outlets and 2 switches the walls are plasterboard with insulation in.How do I run the the cables? not sure even how to go about getting it through studs and insulation.Any advice would be appreciated.
  6. P

    17th edition - cables and cable protection in domestic walls

    Hi all, I have a question. 17th edition states my cables need to be at a depth of 50mm or protected by a metallic sheath. The only metallic sheath around is steel conduit, heavy and cumbersome for domestic use. Is there such a thing as metallic channel? If not, what do you guys use? Seems to...
  7. D

    chasing concrete walls

    hi, does anyone know if there is any building regulation to do with chasing concrete walls? about to do complete re-wire of my house and there will obviously be alot of chasing to do. never had to do it before so not too sure what the deal is with it. and besides if its to solid i'll...
  8. 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...
  9. A

    Moving kitchen sockets a few inches using 4MM tails

    It's been a couple of years and very little practice since I completed my 2330 courses so I'd appreciate a little advice to save me any grief if and when we come to sell. Basically, our kitchen is being refitted shortly and I need to lower some sockets by 2-6" from their current positions as...
  10. G

    recessed floor socket installed in walls ?

    ok so i have two separate jobs to do soon, both of which involve socket outlets to go behind new LCD TVs, the really thin ones..! Both clients want the sockets behind the TVs but want to use the really close fitting wall mounts, which wont have enough room for the plug top. So im thinking...
  11. H

    How deep can you channel into walls?

    Hi, just wondered if anyone knew how deep you can channel into a wall? Does this come under electrical regs, or building regs?
  12. Amp David

    What backbox in Kingspan backed plasterboards.

    When walls are going to be dot and dabbed with the insulated plasterboard, what type of backbox is mostly used. I was thinking of running my cables in as normal to position of sockets and switches, covering with capping/clipping to the masonary. Then if plasterer/builder bring the cable...
  13. 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...
  14. D

    wiring in walls

    hi guys, I'm looking for some tips or even new materials to use for this wiring. I'm thinking of the new regs with regards to metalic partitions or wiring in solid walls which is not deeper than 50mm.
  15. S

    Damp walls?

    First of all I'd like to say hello, this is my first post - be gentle with me! I'm a newbie domestic electrical installer, care of Trade Skills 4U - ie. just about sufficient knowledge technically but absolutely no practical experience whatsoever! I figured the best way to get started is by...
  16. J

    different types of walls etc

    Hi all, bit of a mad one but could anyone point me in the right direction for learning about different types of walls you come across when chasing? going through college you learn the theory side and clipping to boards! they don't offer anything on the building of a house and the best way to...
  17. L

    chasing concrete walls.

    I recently bought a house. I start to first fix and realise it has concrete walls which are a struggle so I decided I am going to clip direct and board the walls. But is there an easy way to chase concrete walls.
  18. L

    drilling 4" holes for fans

    recently i have been been coring holes for bathroom fans through outside walls and been taking ages to do it upto an hour when it should only take 25mins at most do you recon i should start drilling it on hammer with the diamond core bit allthough it can screw the bit up i am using a makita 8406
  19. C

    rules for pvc trunking

    loacl housing group are re-wiring 40+ homes around near me i was asked why thay are using pvc trunking for all circuits .. i remember in the late 80s doing houses with trunking but that was just lighting drops only .. what are the rules for pvc trunking in a house just seems lazy not to chase...
  20. T

    Water supplies exterior walls

    Hi all Am wiring outbuildings with TT supplys, no extraneous parts within same but water on exterior walls of buildings. Would you bond same to TT or leave, The water standpipes are in steel. Also putting exterior socket close by Any thoughts

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