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-   -   What size of conduit needed?? (http://www.diychatroom.com/f18/what-size-conduit-needed-14716/)

helpless handyman 12-24-2007 01:53 PM

What size of conduit needed??
 
Hi guys, I need to run (1) Cat 3 25 pair cable, and (2) Cat 5E cables inside a conduit, what is the approprioate size needed? Thanks

Andy in ATL 12-24-2007 01:58 PM

I'd use a 1" minimium.

helpless handyman 12-24-2007 04:10 PM

Thanks Andy, I just found out I need to run (2) Cat 3 25 pair and (1) Cat 5e cable. Can you help me out, also do they sell the turns on these pipes, so one doen't have to use a pipe bender? I am not good on pipe bending. Thanks so much. I am running data and voice lines and they want them covered.

Andy in ATL 12-24-2007 07:29 PM

Where are you running them from and to? Indoors, I wouldn't use conduit...Otherwise, with telecommunications cable, the bigger the better.

helpless handyman 12-24-2007 07:47 PM

Hi Andy,

I am running the wires indoors, but they want the wires inside a pipe. I figure conduit would be the best. I can't get wiremold this size in a day or two, would have to be ordered. Thanks, what should I use?

tom25 12-24-2007 07:49 PM

This might work (speedwayelectricalproducts.com)

helpless handyman 12-24-2007 08:12 PM

Tom, Thanks . That looks great, but I have to run the cables along a wall on a hallway, and time is an issue. Need to be able to pick up items at a home center, or an electrical store. I need the materials in my hand in 2 days!

goose134 12-25-2007 10:28 AM

Here in Chicago, we run ALL tele/data in pipe. Sound like you'll be better off with an 1 1/2". You may be able to sneak it in an 1 1/4" but why chance it? More than anything people love adding tele/data locations. Merry Christmas.

Andy in ATL 12-25-2007 10:31 AM

Honestly, I might put it in two inch pipe.

J. V. 12-25-2007 11:08 AM

If the conduit will be exposed, EMT is the second easiest to work with. PVC being the easiest in my humble opinion. You can get everything you need at the big box stores for both types of conduit.
You may have to go to a supply house for 2" conduit, But I am not sure.
EMT looks much better than PVC, and you can buy all the prefabed elbows and condulets for the project at HD and Lowes......Have fun.

Andy...why such a big conduit? Are you counting the connectors for the pull? Or are you looking at just the cables, then installing the connectors after the pull? Just curious.....Thanks John

helpless handyman 12-25-2007 12:30 PM

Hey JV, so your saying I should be good with 1 1/4 EMT? I have to pull (2) Cat 3 25 pairs, and (1) Cat 5e cable. I am not concern for later on, that would have to be there problem. I just want to put my cables in and get out. Thanks, let me know if I can get away with 1 1/4 EMT? Thanks:thumbsup:

J. V. 12-25-2007 12:54 PM

handyman, Got your PM. You should have plenty room in a 1-1/4 conduit. But, I have no idea what the circular mills (diameter) of the 25 pair cable is. Can you measure it, or find out the diameter. Then we will know for sure.
I am writing from practicle experience with individual cat5 cables. 25 individual pairs would fit easily with room to spare in the 1-1/4 conduit.
Is the cable bigger than a finger? Two fingers?. Three fingers? etc.....? Now that I know you have no connectors to pull through, life is much easier.
And yes, you should be able to pick up everthing you need at the big box store.

Andy in ATL 12-25-2007 04:36 PM

JV,

I'm kind of basing my decision off of how my shop installs data. Everything oversized and big. It is hard to say without looking at the job...I'd say 1 1/4" EMT would be fine. It is fun to bend!!! My partner at work has 23 years in the field but only weighs 150lbs. No big pipe bending for him.:laughing:

Andy

helpless handyman 12-25-2007 04:55 PM

Thanks Andy, Thanks JV! I would say the cable diameter is one finger size. As for bending, I won't be doing any bending, I will just pick up the bends if they have at Home Cheapo!

Andy in ATL 12-25-2007 05:16 PM

HH,

The key is to be VERY careful with handling all telecommunications cable. No kinks allowed.


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