depth | Page 3

depth

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  1. S

    Trench Depth for underground cable...

    Running a supply from the house to the garage, just about to dig the trench for the ducting but wondered what depth it has to be? The cable will cross underneath a slabbed path before going about 2 metres max across (under!) the garden.
  2. S

    SWA Depth?

    Hello all, Hopefully just a quick question really, i need to quote to install some cable to go around the outside edge of a large rounded driveway, it will be sunk into the ground but at what depth? Ive looked online but see different depths quote, some 450mm some 600mm and some completely...
  3. RWJ

    Cable depth in water - Marina

    I'm sure there's a reg related to the depth of cables under water in a Marina environment. I'm sure it was they must be encased in lead if at a depth of >4m I've been searching Section 709 but can't find it...... is it something else I've dreamt up?? Anyone????
  4. I

    Depth of earth cable from spike

    hi guys just a quick query, is there a minimum depth for the earth cable run back to the c.u or met from the pit or box where it is bonded to the spike ?
  5. 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
  6. S

    Requirements for drilling holes in joists

    Could anyone point me in the right direction for requirements to drilling joists? eg. distance out from end of etc... Have used a guidance sheet before but really dont have the time to trawl google searching for regs. Cheers
  7. B

    depth of render

    just been to sink in some flush socket 25mm so chopped in 10mm leaving 15mm to be taken up by render and plaster " plasterer comes in "they need chopping in more render and plaster will come out 10mm tops" never had a problem with 15mm proud. just want to gauge what the ave measurement you guys...
  8. Amp David

    Galvenised backbox depth

    When sinking in galv backboxes into new block walls, how much is best to leave proud of the wall to allow the dot and dabbed board to come flush with the front. I've got 35 & 47mm boxes to sink in.
  9. F

    confused

    Guys Can someone explain 50mm gap rule what`s acceptable is PVC conduit ok protected by mcb?or rcbo? cheers
  10. M

    Out of my depth (admittedly)

    Right guys heres the situ... Went round a job for my mate whos said he'd changed a conventional boiler to a system boiler on a y plan system. Valiant the make. He wanted me to identify the two 3 core flex's previously wired into the old boiler. One being the supply, and the other i thought...
  11. W

    earthrod depth

    HI all, Ive just recently completed a new rewire on a domestic property that is a tt system my question is this the earth rod i have installed is three feet long but i can only get about 2 feet of the earth rod in to the ground as all the places i have tried to place it the ground are...
  12. P

    Out of my depth

    Hello can anyone help me a little unsure and dont want to look stupid I need to wire a combi boiler for a builder, I have a 15amp bs3036 fuse at the cu I have used this as the supply via a 3amp rcd fused spur to get l n e to the boiler(used to be imersion) I have run a twin + earth to the room...
  13. R

    Drilling joists

    http://www.wycombe.gov.uk/uploads/documents/Environment/Planning/LocationofNotchesandHolesinJoistsA04.pdf Take a look at above PDF what do they mean by the depth of the joist, the diagram seems to indicate the thickness ??
  14. S

    Any regs (Part A) concerning depth of boxes?

    Hi all, quick question about building regs. I need to install a shaver socket (selv) and as these need a 47mm box, it got me wondering about the thickness of the masonry wall which I haven't measured yet but I guess is about 100 to 120mm. I know the regs regarding max depth of vertical and...
  15. S

    rcd protection for sockets with cables <50mm depth

    does this apply to all domestic/commercial/industrial? please state / quote regs / why
  16. O

    Chassing/domestic

    Chasing/domestic Evening Too You All, Dose Anyone Know The Rules About Chasing Cables Into Walls In Domestic Installations. Do You Have To Chase Into The Brick Or Not If Plaster Can Skim Over Them

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