| 摘要 |
<p>The device (1) has a cover plate (5) covering an electrical installation device (2), where the device is made of plastic. Multiple special screws (6) are provided for fastening of the cover plate at a support ring (7) in the electrical installation device. The special screws extend through an opening that is formed in the cover plate and works together with the support ring in a force-fit or positive-fit manner. Each special screw has a hook (8) hooked at the support ring, where the hook is provided at shaft end of the special screw.</p> |
