Nope, we can use Table 310.15(B)(6) only if the conductors are installed in a raceway or cable. Sorry, you gotta use Table 310.16.
(of course, I am assuming NJ has adopted the NEC without amending this part)
What is your computed load? Are you feeding these panels through a main distribution center or a disconnect and OC device? Or, are you paralleling the panels, using a 150 amp main breaker for each panel?
