I made a mistake - Pulling through tight conduit

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I ran some 25mm flexi conduit for 2 outside lights before I lined and plastered the wall. I didn't leave pull wires in them as thought they weren't needed for such a small run.

I didn't realise the inner face is not smooth and where the conduit bends at a right angle to go through the wall I can't get a cable or pull cable to get round the corner.

Are there any methods to resolve this before I cut holes in the wall to fish through?
 
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Wow! I will give that a go cheers. If it is successful thats the greatest get out of jail ever
 
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Screenshot_20220626-213131_Chrome.jpgThis drawer wire many help.The bends could be a problem.
 
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A few videos on YouTube showing using a vacuum to suck a piece of string with plastic on end through conduit. Give it a go and let us know if it works.
 
That's the wire I tried. Would pass the 2nd bend. Will get the vacuum out tomorrow
 
You could start with cotton or fishing line and use that to pull string through afterwards. The vacuum cleaner trick can work.
 
The vacuum cleaner trick can work.
It does work, used it many times.

You may need to invest in a cable sock to ensure a strong and smooth mechanical connection between the draw cord and the cable(s)
Also known as cable grips or Chinese Fingers, they are used to pull or support cables and pipes. They work on the principle of the harder the pull, the tighter the grip.
( other sources are available )

If you are pulling a new draw cord in alongside the cable(s) then use a braided draw cord or a swivel joint, A twisted fibre draw cord will try to untwist when under tension. Without a swivel joint the untwisting draw cord will twist the cables and new draw cord together. This will render the new draw cord useless.
 
Folk always underestimate friction and the pull force needed to tug around bends etc.
 

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