THHN in cable tray

[mooreaaryan]

I am building a modular mcc. Can I put thhn inside the overhead cable tray it’s is for power distribution and is 4/0 thhn plus #2 thhn ground

i looked in article 392 doesn’t explicitly say no

 

[augie47]

392.10
(1) Single-conductor cables shall be permitted to be installed in accordance with (B)(1)(a) through (B)(1)(c). (a) Single-conductor cable shall be 1/0 AWG or larger and shall be of a type listed and marked on the surface for use in cable trays.