Cover for T-piece attachment, with captive pre-assembled twist locks, height-independent cover for cable tray T-piece attachment. Due to external influences, such as wind loads, use outdoors is only possible with additional security (self-tapping screws, steel band, etc.). RDRS 2 twist locks can be used for additional requirements. VDE certified! for cable tray T-piece attachment: RTA ... Width B (inside): 504 mm