Class 1 Div. 2 conduit thru wall or ground.

[sprjac]

Scenario: Class 1 Div.2 containment dike, conduit run 24" above ground, penetrating dike wall that is 20' wide (assume conduit coupling under dike wall) and terminating at same height in adjacent Class 1 Div. 2 dike.<br><br>Question: Do we need seals  when you terminate in same classification area and conduit passes thru a 4' high dike wall or roadway ?<br><br>Thank you for your help.