Conduit Manager allows you to place different phases of a conductor in different positions in a conduit. When relating a conductor to a conduit, the user can explode the conductor into a per phase view by checking the Place Phases checkbox on the Conduit Association Editor. This not only indicates the phase designation on the Editor but actually creates a new relationship in the geodatabase between the conduit and each phase.
When the user places phases or breaks a conductor into phases, all of the phases will appear within the same duct. The user can click and drag individual phases into different ducts.
If you have already associated the conductor with a conduit you can separate the conductor into phases by clicking the Break into Phases button.