The present invention is a housing component (4) that can be mounted on a wall of a housing in a region of a wall opening, and has a recess (140) for a cable to penetrate the housing component (4). A casing part (4) and a separator (110) integrally formed on the casing part (4), wherein a plurality of openings (180) separated by the separator (110) The separator (110) is formed in the recess (140), the opening (160) accommodates one or more sealing elements (10), respectively, and at least one cable tube for the cable is included in the one. Or a separator (110) provided by a plurality of sealing elements (10) and a closure part (170) for closing at least one said opening (160), at one or more target cutting points. Wherein are arranged on the housing part (4) and / or the separator (110) comprises a closing element (170), a, to the wall tubes for cables. The invention further relates to a wall tube assembly for cables.
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