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Old 09-12-2018, 06:39 PM   #81
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Originally Posted by lighterup View Post
I used a tow motor to pull 3 CU 4/0's and one CU 2/0
Did it start on fire ?

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Old 09-12-2018, 06:46 PM   #82
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Originally Posted by emtnut View Post
Did it start on fire ?

Nooo...not at alll..The tow motor was fine
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Old 09-12-2018, 09:51 PM   #83
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Originally Posted by lighterup View Post
I used a tow motor to pull 3 CU 4/0's and one CU 2/0
Used a ford f350 to pull in some underground last night. Not the way i would like to have installed the cables but in a case of a emergency repair sometimes you do what has to be done. (did use a short section of weak rope on the tow hitch as a early warning that something has got jammed or the 10 lazy arse people feeding the cable are taking a break)
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Old 09-15-2018, 07:37 PM   #84
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-would it be right for inspector to fail it?
yes

-is it a safety, reliability or any other concern?
doesn't sound like it

a couple of things
-passing megger test does not mean wire is okay, especially testing wire in new dry pvc conduit, unless it filled up with water, you wouldn't have seen a problem with the wire.

-in a tricky situation were being under 360 is very impractical, i would go over 360. but these arbitrary requirements being brought up are actually points where i think i let the pride i have in what i do take over, i think i should be/try to be knowledgeable and skilled enough to comply with even the most arbitrary requirement and still get the job done quickly and without gross extra cost. i guess you could say i look at it as a challenge and i actually kind of like those requirements because of that, believe it or not. the code has to draw these arbitrary lines or else we would have even more tables in the book, like tables for how many bends in different types of situations, i vote 360, i think it is almost always doable. and sometimes 360 is too much, say a short run of large conduit filled normally.

-two large radius 90's are easier to pull than 4 normal radius 90's, so yah its arbitrary

-sounds like a heater may have reduced some bends

Last edited by Wiresmith; 09-15-2018 at 07:47 PM.
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Old 09-15-2018, 07:40 PM   #85
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Originally Posted by Jlarson View Post
I'll go over or stay way under it depending on the situation.


I just did a pull of 3x #10s in 1" PVC 2 weeks ago, total length was just over 1,300'. I didn't go and measure all the angles but once you figured the couple fittings and then all the twists and turns it was probably 600 degrees. We didn't run the pipe I just got stuck pulling it. Cut in one C, sucked jet line then pulled mule tape and pulled all the way up.
was that for controls?

happen to check your voltage drop?
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Old 09-16-2018, 06:19 PM   #86
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When glueing it together I squirted smurf jizz into the bends. It went nice and smooth.
*headslap* why did I never think of that. Just did a 1100' pull down a hill with the only bends about 180 degrees right at the bottom. I was pretty worried the cable was going to be dry by the time it got to the hard part.

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Sis- you know the history on the 360 degree rule and where it came from, right?
Is anyone ever going to enlighten us about the source for this restriction?
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Old 09-16-2018, 06:24 PM   #87
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Gnome, before the slippery THHN was available I used to squirt some smurf jizz into the pipe every 50' or so on longer runs of any type (PVC, EMT, etc.).

It never hurts.
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Old 09-16-2018, 07:24 PM   #88
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Originally Posted by HackWork View Post
Gnome, before the slippery THHN was available I used to squirt some smurf jizz into the pipe every 50' or so on longer runs of any type (PVC, EMT, etc.).

It never hurts.
Everything is better with lube
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Old 09-16-2018, 07:36 PM   #89
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Originally Posted by MDShunk
Sis- you know the history on the 360 degree rule and where it came from, right?


How about telling us @MDShunk ?
Does it have to do with the insulation breaking down? TIA


Q. What is the maximum number of bends in a circular raceway?
A. This answer is found in each individual raceway Article of the Code. Basically, the maximum number of degrees between pull points is limited to 360 for non-flexible circular raceways. For example, 344.26 deals with rigid metal conduit and says: “To reduce the stress and friction on conductor insulation, the maximum number of bends (including offsets) between pull points cannot exceed 360.”
https://www.ecmweb.com/qampa/code-qu...-december-2010
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Last edited by Bird dog; 09-16-2018 at 07:40 PM.
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