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  1. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    Hi, I've put some under ground lights in a restaurant with outside seating. The lights are in the ground but there is a kirb all the way around then some shale then a wall. I have come from armoured cable into a weather proof box. into a light sensor. then into a galvonised t box. this first t box is in the shale along with the rest of the wiring. from the t box with stuffing gland which goes to a ground light with flex which is fixed to the ground light. then also from the t box to another t box with armoured and then continues in the same pattern. Each t box has gasket and lid and is also filled with electricians silicone giving it ip68 compliance. I know there is a hundred opions about other ways it can be done BUT is there anything wrong with this way as this is the way I was taught and I don't believe it goes against any regs ? reason being is some other company has gone in and told them they need it all ripping out as it wrong
     
  2. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    What is to stop anyone penetrating the cables buried in the shale? Any pics? What voltage are the lights. How are the lights fixed in the ground???? Flex doesnt sound too good in public place and presumably buried?? Must say there are a lot of questions on this one, from what you say it does not sound safe but hard to tell. Oh yea what is shale.
     
    Last edited: Nov 17, 2016
  3. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    There is shale over the cables. the flex comes supplied with the light so there is no way to terminate the armoured to it. and they are 100% ground lights. but in short they won't walked over nor dug out.. they are 230v and may have a pic il have a look. the lights are placed in the ground with shale around. where they are place is raised by about 3 inch.
     
  4. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    IMG-20161117-WA0002.jpg
     
  5. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
  6. snowhead
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    snowhead Trusted Advisor

    Location:
    Mildlands
    There placed in the drainage gulley to the right of the picture?
    Block paving slopes from left to right of the picture, towards the gulley that was or is now filled with shale and lights.
    Or are the lights now in the block paving?
     
  7. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    Shale is a small whale.
     
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  8. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    builder built the Gulley purposely for the lights
     
  9. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    Also the shale has been put back everywhere else. the lights are also at the back and left hand side
     
  10. Wilko
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    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    Sorry to say, but to me it's just a hard surface to grind up the cable. The combination of concrete base, flex, shale and pedestrian traffic doesn't seem like a good idea?
     
  11. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    There is a walk way at the bottom of the pic where the cones are for pedestrians to walk but how would you have terminated them as they come fixed with flex if you don't mind me asking?
     
  12. Wilko
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    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    For me the problem is that the flex cables are hidden but not protected in the current design. Maybe I'm wrong?
     
  13. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    What type of flex is it, rubber or pvc.
     
  14. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    Rubber
     
  15. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    That's what the other person said but I really can't see what else can be done as it supplied with that.
     
  16. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    I hope the light are IPX7 as it looks like water is going to collect in the gullies. I think I would have used conduit possibly Steel terminate them in with a stuffing gland. They could have used post lights or put the lighting on the walls around it all. But you would still need to mark buried cable with warning tape underground. And at the prescribed depth it may be subject to vandals and people who have had one too many. It is a high risk as is. I can see why someone would have said it wont do. Sorry if that sounds hard I am not knocking you but instinct alone would say this is not right.
     
  17. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    I can't see how you can guarantee nobody will tread the shale and damage the cables.
     
  18. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    No by all means. il take it on board and do go by what you've said in the future
     
  19. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    Could they not resin bond a lower section of the shale to cover the cables with loose shale on top. I know this poses future maintenance problems but it would protect the cables.
     
  20. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    Well they could have done but didn't think this at the time. somebody else has gone in and changed it to flex or fp on the wall bare with no protection and just clipped about 6 inch above the shale which in my opinion is worse as the cable could get damaged and touched!
     
  21. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    Bit confused now about the FP.
     
  22. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    They have used either fp or flex around the wall couldn't tell as I didn't feel it
     
  23. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    Yeh it does sound worse actually. Should have gone in in black conduit at least. Doesnt sound like it meets reg 134. And presumably they still buried the lights in the shale?
     
  24. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    No used wall lights instead
     
  25. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    So the pic doesn't show this.
     
  26. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    No doesn't show the new ones they did. but they put their cable 6 inch up on the wall where the glass is
     
  27. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    anyway ground light make you look like frankenstein, blind you when you look down and provide no useful light imo
     
  28. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Top Poster Of Month

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    who designed it, and who supplied the lights? because it's a pants design. the lights should go on the brickwork with short flexes into ad, boxes fed by SWA.
     
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  29. fatgreeny09
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    fatgreeny09 Regular EF Member

    Location:
    blackpool
    Don't know who designed the patio bit I did electrical design and bought the lights too
     
  30. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    I don't want to kick you in the teeth but it isn't the best design, I suspect you think the same or else you wouldn't be asking on here, sorry.
     
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  31. StefOtter
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    StefOtter EF Member

    Location:
    London
    Looks dodgy to me bud start again I think and do it properly to regs.
     
  32. LedsUniverse
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    LedsUniverse New EF Member

    Location:
    China
     
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