Cable protection duct, inside corner 45°, with snap-on cover, duct bottom part unperforated, the potential equalization of the cover takes place automatically when snapped on, accessories for potential equalization, two joint connectors LST... per joint, must be ordered separately.certified! for cable protection ducts: LLK... / LUK... Dimensions (approx. dimensions) H x W: 40 x 40 mm Inner leg length: 75 mm Material: Steel, strip galvanized in accordance with DIN EN 10346