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concrete

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  1. Z

    Shed CU install for registration assessment, catenary wire question

    I've got my registration assessment with Elecsa coming up soon so I don't want to be making any mistakes that'll be pulled up. Decided to go with a CU install at my my house in the shed, as it's something I've been meaning to do anyway, and it gives me time to make sure everything is 100% spot...
  2. D

    Dewalt Wall Dogs

    Anyone used them pro con etc ?
  3. T

    Earth Blocks and Bonding cable underneath kitchen concrete floor

    Hi couple of questions, in the middle of doing a CU change, was thinking to run Bonding cable under kitchen floor to CU, As its a earth cable does it require any protection such as metal conduit ? was going to chase on concrete floor about 3 meters. And doing earth connections next to CU i have...
  4. S

    reinforced concrete outside pool

    Hi All got a pool & hot tub job to do, the hot tub is within 2M of the pool and each will have their own 10mm swa(unsure of loading at prescent) supply. Going to make them TT 20ohm i believe 1 - can i use the same rod/mat for both supplies ? 2 - should i bond the reinforcing of the pool and hot...
  5. uksparks

    Cleating to concrete posts?

    Hi, I was meant to be having a 600mm trench dug all the way down the garden but the customer doesn't want to wreck his new lawn now, I did say put it in before y lay the lawn but he wouldn't listen. anway, to cut a long storey short, he said can I cleat it to the bottom of the fence. my...
  6. L

    3 Bed Flat - Concrete floors/ceilings....trunking & conduit??

    Got a rewire coming up where I've managed to persuade owner to batten out and board the hallway but he can't stretch to all rooms, was thinking of running some 50x50mm trunking in top corners of rooms with 90deg angles and dropping down in plastic conduit (singles), don't want to drop down in...
  7. K

    Best way to wire a house with new concrete floors

    The lower floor of my house ( 3 rooms and a hall ) is being concreted to avoid future flood damage. I have spoken to a few electricians but to date none has any experience of laying a conduit cable guide in a concrete floor. Reading the various Threads. Putting cables in a plumbers polythene...
  8. C

    House with concrete floors

    Hi, where on earth do you run cables in houses with solid concrete floors and solid brick walls with no cavities at all?
  9. S

    Book times for chopping boxes in walls

    Evening, Anyone know the book/industry times for chopping 1g & 2g 35mm back boxes in concrete block and then fixing . All using power tools. I know how long it would take me! But will be subbies... My luckins doesnt list it and my old spons only has chopping by hand times which I reckon my mum...
  10. S

    Installing lighting into outddor concrete steps

    Hi, I am just about to build a couple of concrete steps leading up from a patio to a garden path and would like to have a spotlight installed in the centre of each step, does anyone have any advice on how best to do this as I dont want to set the steps in concrete only to be told by an...
  11. G

    Can I put a piece of twin and earth on some concrete?

    Hi, I need to put a new socket on a wall in my living room, it will spur off and existing socket and it is my closest option (nothing upstairs either), the thing is there is a door way in the way. Instead of going up and over the door am I ok to channel a small path in my concrete floor and...
  12. A

    advice on protection of cable through concrete

    Hello everyone, Im having my garden paved so whilst the floor is dug up, I want to run electric to a corner where my bbq will be, the builer is going to concrete floor then slab, im planning on running a supply from my garage in the concrete, ill be using 4mm cable and running it in conduit...
  13. Z

    rewire of flat with concrete floor and no access above

    Has anyone come across this problem and is there any way around it other than pulling down the ceilings ? first floor flat, concrete floor, current wiring is in conduit, o access from above,pretty sure the ceiling is plasterboard fitted to the underneath of the concrete floor of the flat above...
  14. A

    Wiring lights in flat with concrete ceilings

    Started A job today, concrete ceilings, and was thinking of ways to get the cables from switch to pendant, and thought of chasing the plaster and artex of the ceilings, and glue gunning the cables up and bonding/plastering over, do you think this is do-able? Don't really want to trunk it, thanks
  15. T

    Chasing poured concrete.

    We have a prefab property, constructed by pouring concrete into shuttering. the concrete is very large aggregate, like MOT type 1 and very "loose & airy" to look at. its ex council - 99% of electrics are surface mounted hideous 5hite we want to rewire and chase the kitchen and have accepted a...
  16. M

    Not Bentonite the concrete stuff?

    Hi guys - I'm having a mental block. What's the resistance earth resistance lowering product called that goes into concrete. Not the Bentonite clay, the concrete stuff. Thanks
  17. M

    Cables in concrete

    Am on a job at the moment in a office it is a small extension with floor sockets going in on a new concrete floor, so hav to put a duct in before floor sockets go in. What do u recommend using flexible conduit, plastic conduit etc cheers
  18. uksparks

    Power to outbuilding, possible structural steel...

    Hi, I have just been to a job today to provide power to an outbuilding, 75 meters down the garden. The supply is PME, I plan on splitting the tails into a henley block and then into a switched fuse, then 16mm SWA from there all the way down the garden, at 600mm under the lawn. The building is...
  19. D

    hmmmm, changes to my existing 25year "in concrete" EDF/GOV contract already !!

    This maybe of interest to you, arrived by email today, although most I think like me will do this regardless......; Important information - Changes to your Statement of FIT Terms I am writing to inform you of some important changes that we have made to your Statement of FIT terms. In...
  20. grumpyjohn01

    Ducting / conduit in concrete floor

    Am quoting to wire kitchen in a very old farmhouse (high end, very 'beamy' with fragile walls ceilings etc) and am proposing to wire under the new concrete floor slab which is being laid. Having read previous posts on the subject, consensus seems to be to use good quality PVC conduit. Thinking...

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