Cable protection duct external corner insert 90°, without cover, duct bottom part unperforated, cut the cover of the cable protection duct at a miter and guide it over the external corner insert, the potential equalization of the cover takes place automatically when snapped on, accessories for potential equalization, joint connector LST... and potential equalization cable GSLH..., must be ordered separately. VDE certified! Use for: Cable protection ducts LLK... / LUK... Dimensions (approx. dimensions) H x W: 60 x 200 mm one-sided leg length inside: 75 mm Material: Steel, strip galvanized in accordance with DIN EN 10346