conductor size

[flores4204]

how do i find the conductor sizes allowed to be installed in a raceway

 

[jusme123]

Look up 'conductors' in back of book, than look for 'conduit or tubing number in'

 

[infinity]

The code reference is the specific Article based on the type of raceway and section XXX.22 of that Article. Here's an example for RMC and EMT respectively:

344.22 Number of Conductors.
The number of conductors shall not exceed that permitted by the percentage fill specified in Table 1, Chapter 9.
Cables shall be permitted to be installed where such use is not prohibited by the respective cable articles. The number of cables shall not exceed the allowable percentage fill specified in Table 1, Chapter 9.

358.22 Number of Conductors.
The number of conductors shall not exceed that permitted by the percentage fill specified in Table 1, Chapter 9.
Cables shall be permitted to be installed where such use is not prohibited by the respective cable articles. The number of cables shall not exceed the allowable percentage fill specified in Table 1, Chapter 9.