data/security in same j-hook

[27hillcrest]

Just a basic question. Can cat6 and security cabling be installed in the same j-hook hangers? We had a heated discussion about it today at work. I feel they should be in separate hooks but a few of the guys say there is nothing wrong with them in the same hook.
Thoughts or code reasons I could arm myself with...
Thanks,

 

[TOOL_5150]

I see nothing wrong with them being in the same hook.

~Matt

 

[e57]

Who hung the hooks? Who was there first? Did the second one there lube the cables - or rip them through at high speed and pulling tension? The cable burn issue is one aspect, the poor etiquette is another....

The premise behind the speed of cat-5/6 is the twisting of the conductors to reduce capacitive coupling and X-talk... That said - the only one I would have a problem with would be the power supply cable - the contacts and key pad wire - not so much...

 

[satcom]

It may depend on what is running on the Cat6 cable, what is the freq, will there be any error control problems, or noise generated with the cables bundled together ?

 

[e57]

It may depend on what is running on the Cat6 cable, what is the freq, will there be any error control problems, or noise generated with the cables bundled together ?

Lets say it is data... :roll: :grin: The security cables would be a number of different types of power and data and the contacts are usually nothing more than the extended leads of an ohmmeter looking for a certain resistance. The power - I would worry about. The data - is questionable, but doubt the effects would be noticeable. I just got done with a server room with over 200 cat 6 bundled - with a homogeneous type of data transmission. Not sure what type of transmission protocols for alarm key pads - but still doubt it.... The contact cables - I likewise doubt any effect.

The etiquette however is a burning issue for me.... Ironically, I found an alarm guy in my holes just the other day - I'd have to pull my cables back to check them - which would require work on my part.... work I should not have to do after I installed it once already...

 

[satcom]

Lets say it is data... :roll: :grin: The security cables would be a number of different types of power and data and the contacts are usually nothing more than the extended leads of an ohmmeter looking for a certain resistance. The power - I would worry about. The data - is questionable, but doubt the effects would be noticeable. I just got done with a server room with over 200 cat 6 bundled - with a homogeneous type of data transmission. Not sure what type of transmission protocols for alarm key pads - but still doubt it.... The contact cables - I likewise doubt any effect.

The etiquette however is a burning issue for me.... Ironically, I found an alarm guy in my holes just the other day - I'd have to pull my cables back to check them - which would require work on my part.... work I should not have to do after I installed it once already...

I sure agree with you on the etiquette, and after they jump in on your runs, if any problems do appear, they are not left with the problems.

 

[infinity]

There is no NEC code reason to prohibit this.