Electrical installation device e.g. switch, has recess acting together with sliding piece comprising multi-stage internal tooth that act together with multi-stage external tooth of holding element, where holding element is fixed to support

摘要

The device has a support (1) fixed at an installation point, and a covering frame (3) comprising a sight aperture (2). An inscription label retainer (4) is fastened to the support and provided for accommodating an inscription label (10). The retainer projects into the aperture of the frame and comprises a recess (6) for fixing at the support. The recess acts together with a sliding piece (7). The sliding piece has a multi-stage internal tooth that act together with a multi-stage external tooth of a holding element (8), where the holding element is fixed to the support.