The CRA30009 trough system allows users to safely and securely run power distribution on top of rack enclosures. Can be used across multiple racks in a row to create a dedicated path for cable runs, reducing cable stress. This model features toolless mounting to the rack roof panel and has a grounding stud to tie-in to the enclosure and the facility ground. Compatible with the CR42U11001 and CR24U11001 rack enclosures. The CRA30009 comes with a 5-year limited warranty.