Typically, cable tray and conduit runs are modified frequently during the design process due to architectural or structural changes, or modifications to the system requirements. For example, if the architect increases the overall size of the building, the cable tray layout needs to be modified to accommodate the new size. Cable tray sizes might increase, additional conduits might be added, or you might need to re-route the wiring for the new building size. You might also need to modify fittings, particularly when branches are resized or devices connected to conduit are changed.
Modifying cable tray segments and fittings