Electric/electronic installation device

摘要

The arrangement has a retaining unit provided on two actuating buttons and another retaining unit provided on a carrier part. The retaining units stay in effective connection with each other in a repeated detachable manner. The actuating buttons are combined into a button block and connected with the carrier part. A locking unit (7a) is formed on the actuating buttons, and another locking unit (7b) is formed on a cover part (3) of a housing (1). The locking units stay in effective connection with each other.