CAT6a cabling question

Hello -
 There are various CAT6a cables out there.  With cabling contractors tho, if you don't specify the type they will go with the cheapest basic one - U/UTP type.  This is completely non-shielded at all.
There are a lot more: S/FTP, F/UTP, SF/UTP, and U/UTP?

What would be a recommended type for the new office run?  Thanks in advance.
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Tiras25Asked:
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JohnBusiness Consultant (Owner)Commented:
It depends on the environment. For lengthy building runs around pipes and ducts, use shielded cable or cable ducts. For wiring in areas with low interference, unshielded twisted pairs is fine.
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dbruntonCommented:
If you're going to Cat 6a then you'll need shielded cable of some type.

Either U/FTP or F/UTP cable.  See  https://en.wikipedia.org/wiki/Twisted_pair  and the table headed Common industry abbreviations for cable construction for an explanation of those terms.  Further down under Common Types you'll see the requirements for Cat 6a.
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JohnBusiness Consultant (Owner)Commented:
In most office environments, cable is in the wall between (say) wiring closet and the user's desk. We both agreed above that inside the walls, cable should be shielded.

From jack to computer, I think unshielded preformed patch cords would serve well.
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mbkitmgrCommented:
I have been overseeing the running of cables since 1993.  One thing I have learned is to run the highest grade you can afford.  The cost of removing and re-running cabling in a building can be quite expensive, and if you want to use it to its full capacity i.e. 10Gig ethernet, then you'll be glad you ran it.

With regards to shielding - some speeds will require it, some wont and it depends on your environment - have a read here http://wbtnetworks.com.au/understanding-the-difference-between-cat6a-cable-types/

My very 1st project was to oversee the running of Fibre and copper (cat 3) cables at a site for 700 users.  Since then the copper has been replaced twice (with Cat5 and recently 6A) , the fibre is still in service
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masnrockCommented:
Try to think years out, and whether shielded cabling is a requirement. Unshielded cabling is good enough for most environments, and it might be for yours. However think about what you have around that might be reason to worry about inference. Do you have some sort of roadmap or multi-year plan?
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David FavorLinux/LXD/WordPress/Hosting SavantCommented:
I'd agree with mbkitmgr. Use expensive, well shielded cable. You never know when someone is going to place some machine next to your cable run in some other office or some other cable will be run next to yours.

You'll always save money installing expensive, shielded cable to avoid having to replace cable when a condition occurs, which causes your cable throughput to drop or stop.
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Tiras25Author Commented:
Another question I have.  How do you know your cabling contractor following structured cabling standards.  Will they always certify it?
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JohnBusiness Consultant (Owner)Commented:
That truly depends upon the contractor and you need to ask them. A number are certified, but you do need to ask.
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