Cable protection duct, external corner 90°, with snap-on cover, duct bottom part unperforated, the potential equalization of the cover is automatic when snapped on, accessories for potential equalization, two joint connectors LST... per joint, must be ordered separately. VDE 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