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cannot get pull string through conduit

Posted on 10/24/19 at 7:24 am
Posted by bayou choupique
the banks of bayou choupique
Member since Oct 2014
1818 posts
Posted on 10/24/19 at 7:24 am
When i was building my house, i ran a 3/4" flex line from my closet under the stairs to behind my tv. i did install a pull string in it prior to installing it and taped the string to both ends. this weekend i wanted to pull some cat 6 through it and i pulled so hard on the string it broke. I even tried sucking another pull string from both ends and the suction is not making it to either end. i am wondering if the builder broke it somehow. am i screwed and will not be able to use this run?
Posted by FuzzyBearE
Baton Rouge
Member since Jul 2016
451 posts
Posted on 10/24/19 at 8:04 am to
How long is the run? I'd get a metal fish tape and try to push through.
Posted by VABuckeye
Naples, FL
Member since Dec 2007
35614 posts
Posted on 10/24/19 at 11:54 am to
Get a fiberglass fish tape. They're more flexible to get through bends. Not glow rods. Fish tape.
Posted by Modern
Fiddy Men
Member since May 2011
16880 posts
Posted on 10/24/19 at 2:39 pm to
Fish tape, or jet line
Posted by WhiskeyThrottle
Weatherford Tx
Member since Nov 2017
5351 posts
Posted on 10/24/19 at 7:15 pm to
If you get a fish tape, bend a nice round head on the lead end.

It’s a 50/50 shot. What do the terminating ends of the flex look like? Are they straight connectors or are they 90s into the box?

Flex conduit isn’t air tight so the whole mouse method (plastic bag and vacuum) may not work too well in that situation.

We were able to run a mouse on a 200’ fun underground with condensation in it. 30’ isn’t anything for a mouse. So you’re either losing too much suction through the pipe or you’re SOL.
Posted by QuietTiger
New Orleans
Member since Dec 2003
26256 posts
Posted on 10/25/19 at 6:25 pm to
What kind of "flex line" are we talking about? Carflex, that a long run especially if you have bends. If car flex, I'm assuming it's one length and not spliced? Hard pipe for the win next time. Might get lucky with the fiber fish, good luck.
Posted by Coon
La 56 Southbound
Member since Feb 2005
18492 posts
Posted on 10/26/19 at 8:25 am to
Fish tape like a mug. If you live around Thibodaux you can borrow mine.
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