Conductors in a raceway

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Alwayslearningelec

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NJ
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Estimator
If you were feeding receptacles along the same wall with 3/4” EMT Number 12 wire what’s the max amount of conductors you would want to pull in that raceway and why? I understand you have a box fill and derating to consider but I believe I’ve heard of guys not wanting to pull more than three circuits I forget the reason. I mean if you had five separate circuits along that wall I don’t think you’re going to pull them all in a common raceway.
 
Derating in normally the limitations. With #12 using THWN-2 when you get to the 10th current-carrying conductor, the ampacity is 15 so you can't use a 20 amp circuit. With individual neutrals that would limit you to 4 circuits.
 
4 ckts Indy neutrals and a ground(not a ccc) would make 9 conductors. Granted you would drop a circuits off at the first fox and so on would you want to pull that many conduit it’s through or to the boxes or what that be a PIA? So in that scenarios I’m explaining you bring 9 conductors first receptacle/ 7 to second/ 5 to third and 3 to the 4th. That is is you had 4 receptacles on a common wall that were each a separate circuit . . Would that be practical to pull that way?
 
horsegoer said:
4 ckts Indy neutrals and a ground(not a ccc) would make 9 conductors. Granted you would drop a circuits off at the first fox and so on would you want to pull that many conduit it’s through or to the boxes or what that be a PIA? So in that scenarios I’m explaining you bring 9 conductors first receptacle/ 7 to second/ 5 to third and 3 to the 4th. That is is you had 4 receptacles on a common wall that were each a separate circuit . . Would that be practical to pull that way?
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Yes it would.
 
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