Electric installation device

摘要

The device has a housing comprising a socket part (5) manufactured from thermosetting material and a covering part (6) manufactured from thermoplastic, and a support (1) fastened to the housing. Locking lugs (14, 15) are formed as a single-piece at an inner side of retaining walls (13) of the covering part and stay in effective connection with one another for fastening of the support at the covering part. Fastening devices comprise a spreading claw (2) and an adjusting screw (3), and a bearing arrangement (7) for supporting the spreading claw is formed as a single-piece at the socket part.