Permeable cable tray system with 85 mm side height. Cable tray with 30% hole proportion. Bottom perforation 7 x 32 mm for cable attachment to the boom. Additional bottom perforation 11 x 40 mm for ventilation and water permeability. From a width of 200 mm with additional bottom perforation for cable feedthrough. Side perforation 7 x 20 mm as connector perforation. With side rail rolled up at the top for reinforcement and edge protection.