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Old 09-29-2009, 10:55 PM   #1
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How to measure cabling when pulling multiple at once?


Figured I'd ask here as I'm sure it applies to electrical the same as it applies to data cabling. What is the best way to measure how long to make cables when pulling say, 4 at once using fish line? Since I have to precut them from the spool and not just pull directly from it, I don't want to make them too small or way too big.

I'm thinking, just trace out where it will go with a measuring tape marking all dimensions down then ball park it while adding a few feet, but wondering if there's a better way. Or should I try to just pull one at a time directly from the spool instead of pulling with the fish line? The 2nd way may be harder as I need to try to shove it down the hole I can't see, but is this how most people will do it?

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Old 09-29-2009, 11:00 PM   #2
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How to measure cabling when pulling multiple at once?


Pull a fish line 1st
Then measure the fish line

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Old 09-29-2009, 11:01 PM   #3
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How to measure cabling when pulling multiple at once?


run your fishtape to where you want to go. Mark it and pull it back. Now cut the wire to length using the fishtape.
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Old 09-29-2009, 11:09 PM   #4
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How to measure cabling when pulling multiple at once?


wow so simple never even thought of doing that. I will mark the one that is already put in there then measure, cut, and reput the tape. For most jacks I can probably easily do one cable at a time, but the outside wall is trickier.
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Old 09-30-2009, 12:07 AM   #5
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How to measure cabling when pulling multiple at once?


If you do a lot of this sort of thing you can get "conduit measuring tape" which is marked every foot. The tape is used both to measure the length of the conduit and to pull the wires through.
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Old 09-30-2009, 11:06 PM   #6
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How to measure cabling when pulling multiple at once?


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If you do a lot of this sort of thing you can get "conduit measuring tape" which is marked every foot. The tape is used both to measure the length of the conduit and to pull the wires through

THAT is a smart new tool. The next tape I buy will be one of those......unless it's a bunch more money.
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Old 09-30-2009, 11:38 PM   #7
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How to measure cabling when pulling multiple at once?


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THAT is a smart new tool. The next tape I buy will be one of those......unless it's a bunch more money.
New? It's been around as long as I can remember. I think you might be mistaken as to what is meant. I believe he means something like this:

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Old 10-01-2009, 05:29 PM   #8
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How to measure cabling when pulling multiple at once?


When you push your fishtape in to get the measurment, tie a string on the fish tape when you pull it out. This way all you have to do is tie the fish tape back on and pull on the string.
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Old 10-01-2009, 09:23 PM   #9
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How to measure cabling when pulling multiple at once?


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New? It's been around as long as I can remember

I read "condiut measuring fish tape".



I thought he was referring to the new Ideal 250' fish tape with laser etched foot markings.
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Old 10-01-2009, 10:26 PM   #10
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How to measure cabling when pulling multiple at once?


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Originally Posted by 220/221 View Post
I read "condiut measuring fish tape".



I thought he was referring to the new Ideal 250' fish tape with laser etched foot markings.
does it have a tally sheet to mark off where it starts after you break the end off a couple times?

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