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  1. AJ16
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    AJ16 DIY

    Hi, I am laying a patio and have a 38mm corrugated conduit going across the ground ready to be covered in scalpings, it's 7-8m long but it doesn't have a pull cord though so I was wondering what's the best way to get cable through it. The cable will only power a small foundation pump. Thanks
     
  2. SparkyChick
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    SparkyChick Making a banana smoothy for my fave gorilla Electrician's Arms

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  3. Pete999
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  4. Wilko
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    Wilko Electrician's Arms

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    Wilko Electrics
    I've got one this morning to put some h07 flex where Mr Landscaper has kindly installed a corrugated drain pipe for me to use. I was dreading the draw wire catching on every second ripple etc, but I'll try out Henry and string after watching this :)
     
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  5. SparkyChick
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    SparkyChick Making a banana smoothy for my fave gorilla Electrician's Arms

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    It's that video that inspired my vacuum cleaner suggestion, was just struggling to remember what they put on the end of the string :)
     
  6. Andy78
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    I can't see how this method will comply with the regulations for buried cables.
     
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  7. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    seen it done with string threaded into a ping-pong ball once.
     
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  8. Pete999
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    What voltage is the pump rated at??
     
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  9. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    same as the string. :p
     
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  10. SparkyChick
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    SparkyChick Making a banana smoothy for my fave gorilla Electrician's Arms

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    Good point
     
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  11. Midwest
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    Midwest Electrician's Arms

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    I thought that was a wind up SparkyChick, till I saw Pete's vid. Learn something every day. :)
     
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  12. SparkyChick
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    SparkyChick Making a banana smoothy for my fave gorilla Electrician's Arms

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    I would have thought it was a wind up, then I came across that vid a while back. Nice trick to keep handy :)
     
  13. Pete999
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    How's he going to keep the string wet then? go on answer that smart Alec:p you do realise Tel you and me are going to get into bother if we keep turning serious threads into a joke. To the OP the reason I asked about voltage was a serious question, as someone has mentioned that your install method may not comply with the Regulations (BS7671)
     
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  14. Spoon
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    Spoon Trusted Advisor

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    nothing wrong in that...
     
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  15. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    he's feeding a pump. pump pumps water. water is wet. wet string. ssimplesss.
     
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  16. Pete999
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    Pete999 Trusted Advisor

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    Have you been watching that thread about perpetual motion?
     
  17. Pete999
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    Pete999 Trusted Advisor

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    Have you been watching that thread about perpetual motion?
     
  18. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    been watching it for ever. can't stop. :p
     
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  19. Pete999
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    You're sharp this morning Tel, still I suppose to have to keep your wits about you, living in the badlands, have a god day.
     
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  20. Spoon
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    is that when Tel turns water into wine...
     
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  21. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    going to have a look this morning at that problem paul243 posted the other day. PIR lights won't turn off and a socket appears to be fed from 2 separate MCBs. . sounds like a cross connection between 2 socket finals. should be fun.
     
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  22. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    i turn wine into water. piece of pi$$.
     
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  23. Specialist
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    Specialist Electrician's Arms

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  24. Pete999
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    Somehow don't think Tel would turn water into Wine, beer maybe now that's a different kettle of fish.
     
  25. Pete999
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    See told you he was sharp this morning!
     
  26. Pete999
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    Let us know what the problem was Tel, please.
     
  27. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

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    will do.
     
  28. Pete999
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    Cheers
     
  29. Specialist
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    Specialist Electrician's Arms

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    Never Pete, the OP's questions get answered & the joking about keeps things light hearted :thumbsup:

    Anyway don't forget: It's educational for the younger generation entering the trade, you don't get this quality of banter on site nowadays. ;) Especially with a lot of the boys flying solo.
     
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    Last edited: Jul 13, 2017
  30. SWD
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    SWD Gender neutral Electrician's Arms

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    Spirado Tape/Spring stick to the old fashioned way, vacuum cleaner FFS most sparks don't even know how to use one.
     
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  31. SWD
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    SWD Gender neutral Electrician's Arms

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    You've been to Thailand then.............
     
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  32. AJ16
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    AJ16 DIY

    Thanks, the Screwfix route sounds simple, the vac is pure genius! It's a 12v pump with a 240V feed, it will be recessed into the patio and the connection to the pump cable will be made in a chamber under a paving slab to one side of the pond. The conduit will start in a shed. Is it necessary to use SWA cable or T&E?
     
  33. Pete999
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    Best you get an electrician to do the work, not knowing what type of cable to use is a worry
     
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  34. AJ16
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    AJ16 DIY

    I didn't say that I wasn't going to get a sparks to connect everything up, in fact some months ago we got one to instal a fuse box in the shed in readiness so the circuit is already there. We are concerning ourselves with laying a patio and want to lay a cable then call the sparks to save two call outs and also don't want the work held up. The question was just about the right type of cable to put through the duct, nothing more than that.
     
  35. Pete999
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    That's the sort of question only a qualified Electrician could answer, after scoping the job out.
     
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  36. Andy78
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    You should call the electrician before you lay the cable is the point. If I was to sign off an installation partly installed by a DIYer, I would want to be involved from the off to be able to advise and assist in the installation methods and materials. We're not just here to connect things up. There is much more to a compliant and safe installation than the end part of a job.
    It may save having to take your patio back up to do it properly.
     
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  37. Murdoch
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    Murdoch Electrician's Arms

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    Just make dam sure the connection to the pump is readily accessible ...... They don't seem to last long these days
     
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  38. Wilko
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    Wilko Electrician's Arms

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    It worked a treat !
    Henry, a Tesco bag and a string line - talk about rat up a drain pipe, 30m in 30sec - who's a happy chap :)
     
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  39. AJ16
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    AJ16 DIY

    Its all sorted now we put SWA cable through the duct leaving the ends to be connected later. As I said a sparks already put a board into the shed it's fully signed off and with an RCD, a double exterior switched socket and double interior switched socket. I'm not saying we will do this, but it seems that the pump circuit could be plugged in to one of those sockets. This would surely still be compliant as isn't this how pond fountains and pumps are usually powered/connected?
     
  40. Specialist
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    Specialist Electrician's Arms

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    South Wales
    Sorry but how can it be fully signed off ? You just said the ends of the armoured were being connected later, so how did he carry out the required Live tests to be able to certify the work ?.
     
  41. AJ16
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    AJ16 DIY

    The supply to the shed was signed off, he left us with two double sockets. Are you saying that anything that is plugged into those socket needs to be signed off? Fine if so, I just want to be clear.
     
  42. Andy78
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    Andy78 Trusted Advisor

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    How do you intend to plug the SWA cable into the socket ?
     
  43. AJ16
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    AJ16 DIY

    Yes we have left a connection chamber alongside the pond tube which is for changing pumps in just such a circumstance!
     
  44. AJ16
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    AJ16 DIY

    I see your point, a suitable connection box would be needed inside the shed, for a sparks to connect up.

    As the conduit is in place and quite large we may also run an HD rubber pond cable through which could then be taken into the shed and be fitted with a plug, then we keep both options open.
     
  45. Murdoch
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    Murdoch Electrician's Arms

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    Woking
    Yup, and those tend to get filled up with water, sooner or later....

    Your posts read as if you have done all this, so why are you asking now....
     
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