Can power circuits be run alongside data cables in a ladder tray?

M

msilva94

Member
Location
PA, USA
Occupation
Electrical Engineer
I'm in the process of powering a server room and was wondering if it's possible to run multiple power circuits (about 8) alongside data cables in a cable or ladder tray. My initial thought was to utilize the ladder tray for both the power and data wiring, but I want to make sure it's done safely and in compliance.

Thanks for your help!
 
ron said:
Some clients have their own policies regarding this, such as 12" apart but the code minimum separation is 2" per Section 800.133(B)
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Awesome, yes thank you I knew about the spacing, but wasn't sure if I was missing something else. Theres a few ways I was thinking of doing this such as attaching below the ladder via conduit, but I thought it might save the client some money if I space them in MC in a ladder tray.

Thank you
 
Even if not specifically forbidden (since it's all sub-600V), it's bad practice to have power and datacom running in physical contact with each other, especially if the runs are long (induced voltage), or the equipment in some way "noisy" (welding machines generating EM impulse noise). Those are non-issues with fiber, obviously, but there you have to worry about the fiber being exposed to physical damage unless you run it inside smurf tube.
 
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