Cable tray in metal studs?

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Mporter4

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Does anyone know a code section that allows me to use cable tray in a metal stud wall installation?
This is actually a clean room that is fabricated with allumium studs and these studs have a hollow channell that I was going to run my wiring in.
It would make life easier for me if I could run all my power and controls thru the cable tray strait to the equiptment without changing over to mc cable.
I plan on using some type of gromet where I have to cut holes but I can't find alot of info in atricle 392.
 
Mporter4 said:
This is actually a clean room that is fabricated with allumium studs and these studs have a hollow channell that I was going to run my wiring in.
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How does this constitute a cable tray? Do you want to put short sections of small wire cable tray in between the studs? I'm a little confused about what you're thinking.
 
jd smith

jd smith

JD SMITH,
I am putting the cable tray on a "walkable ceiling" on a pre manufactured clean room lab.I have to supply outlets along with door interlocks etc.
I thought that it might be easier to install a tray along the wall line and run my cable down inside the "channel that the clean room manufacturer has provided.my question is with cutting the holes to stub up will I be in violation just using tray cable instead of mc cable?
 
It sounds to me like you could use tray cable in that application. As physis said, it's OK if you can't find a section that prohibits it.
 
Mporter4 said:
JD SMITH,
I am putting the cable tray on a "walkable ceiling" on a pre manufactured clean room lab.I have to supply outlets along with door interlocks etc.
I thought that it might be easier to install a tray along the wall line and run my cable down inside the "channel that the clean room manufacturer has provided.my question is with cutting the holes to stub up will I be in violation just using tray cable instead of mc cable?
Click to expand...

What type of establishment is this: commercial or industrial?

I'm asking because you might run into a problem with Power and Control Tray Cable Type TC, 336.12 Uses Not Permitted. Type TC tray cable shall not be installed or used as follows: (2) Installed outside a raceway or cable tray system, except as permitted in 336.10(7), which is permission to conditionally do otherwise in only industrial establishments. The studs you mentioned are not a raceway per NEC definition.
 
I'm curious what the big deal is about using MC. It seems it would be faster, easier, safer and cheaper.

Not to say there might not be a good reason for looking at doing it this way.
 
Mporter4 said:
JD SMITH,
I am putting the cable tray on a "walkable ceiling" on a pre manufactured clean room lab.I have to supply outlets along with door interlocks etc.
I thought that it might be easier to install a tray along the wall line and run my cable down inside the "channel that the clean room manufacturer has provided.my question is with cutting the holes to stub up will I be in violation just using tray cable instead of mc cable?
Click to expand...

So how will the "channel that the clean room manufacturer has provided" be an acceptable wireway for the cable?
 
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