floors

floors

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  1. N

    Confused about my floors being grounded

    I am a complete novice when it comes to electrics but I have recently bought a grounding mat and so I've been doing some measurements and I'm totally confused by something. Upstairs I get a reading from my body of 5 (ish) volts (bare foot). When I touch the earthing mat this goes down to 0.2...
  2. F

    Help with installing 3 way switch to control lights on three separate floors

    First and foremost I would like to introduce myself. My name is Faysal and I reside in East London. By profession I am a Operation Manager within the NHS but have a patient to do home electrical DIY project. I picked up basic electrical skills from a young age, tagging along my uncle who was a...
  3. A

    Load Balancing

    how do i balance the three phase system wire into 5 floors?... give me examples plz plz help
  4. P

    smoke detectors between floors...

    i have to provide smoke detectors to the flat above the shop (1) and 3 in the shop itself. im going to fit a wireless one in the flat.. so am i right in saying only one in the shop needs to be wireless if i hardwire the other 2? or will i have to fit all four the same..??:dunce2:
  5. 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...
  6. 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?
  7. B

    Conductive floors question..

    How do they work and what is the difference between them and anti static floors??
  8. L

    chasing into concrete screed floors - a risk to the neighbour's lights?

    i live in a 1960s built ex-local authority flat. the floors are concrete with approx 30mm of screed poured on top, brick walls. the existing cabling is all MICC which i'm considering ripping out, not because it doesn't work but because i'm looking to move some walls and chase new central heating...
  9. applemac

    chipboard floors

    afternoon guys, just been to look at a shower install, got 15 meters of cable to fit under hall floor but its chipboard, ive been working on old houses for years, fitted these bleeding boards but just wondering the best way to lift them, obviously joists are all running the other way, dam modern...
  10. S

    long flex for boiler thermostat under floors

    On a domestic install a plumber has hooked up his boiler to the mains and then run a flex probably longer than 8 meters underneath floorboards to his thermostat. I'm doing the rewire, but this had happened while i was away on other things, i'd told him this wasnt good practice and needs to be a...
  11. P

    Insulation resistance/impendance of non-conducting floors and walls???

    Hi guys, Im trying to find out the instrument used and the units it measured in for Insulation resistance/impendance ofnon-conducting floors and walls am i right in saying Instrument used =Magneto-ohmeterand test electrodes Units = ohms and in 0.01's
  12. F

    Concrete ceiling walls floors,,

    Lady wants me to rewire a 3 bed flat however its all in concrete and im still fresh in the business, how would i go about doing this,, trunking or channelling out all the existing cables and repair work.. also i am not elecsa or niceic etc registered im a sole trader,,and she wants it on the...
  13. C

    How many fire alarms do i need to install on a 3 bedroom house (2 floors)

    Hi, Could someone give me advice on how many fire alarms need to be installed on a 3 bedroomed, 2 floor house? I know with loft conversions every room besides the bathrooms need alarms, but what is the requirements for a standard double storey house? Do they also need to be mains powered, or...
  14. tuckermot

    cutting chip board floors and pipe/cable detector

    I am going to be cutting some chip board floors with my circular saw and to be honest when working on domestic propertys i have a total fear of cutting through pipes/cables underneath,even after setting the circular saw.I want to purchase a second hand detector and the ones i have had in the...
  15. I

    flush mounted socket price

    hi guys after a little advice for pricing on an extra flush mounted socket. Property has concrete floors. now for a surface mounted double socket i usally quote arround £45.00 which is 1 hours labour plus matirials which i think is a fair price. now i would estimate 2.5 to 3 hours labour for...
  16. A

    Cables under floors

    Hi all advice please i come across so many job were cables are just laid under floors that are not clipped is this good or bad ?:confused:
  17. B

    sub boards

    hello there everyone just got a quick question in regards to a new installation i am doing at the moment it is a manor house 20m in length. i was wondering whats the best way to go about it i would like to put a domestic board on each of the 3 floors and one in the basement is it best to...
  18. U

    problem with pirs,

    hi can anyone help , just been called to luxury 4 storey flats.the problem is the internal staircase lights,there is 4 floors with 4 p,i,r, sensors and 30 lights in the staircase.any pir turns on all lights from any floor it has a overide swich grid and a emergency grid switch. all pir have...
  19. A

    2 CUs on 2 Floors

    Just starting to design an installation for my new build domestic dwelling. There are quite a few circuits and a lot of termination in the loft for audio/visual equipment, central lighting control etc. The house has three floors including the loft floor. I've been given advice to have two CUs...
  20. J

    Conduits, singles and concrete floors

    Evening all. Next door neighbours' son has just bought a house and I've just been down for a look at the electrics for him. The house is a 1950's terrace with concrete floors both upstairs and down! Chap wanted, amongst other things, a lot of surface mount switches and sockets sinking into the...

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