摘要 |
<p>The system has a base plate (1) made from electrically insulating material and connected with a rigid unit (3) by using a distance piece (2) in a detachable manner, where the distance piece is made from metal. Fastening screws (4) are provided as the distance piece and serve for fastening of a flat support (5) that is provided with an opening. A limitation plate is provided between the base plate and the support, and a terminal strip is arranged between the base plate and the rigid unit, where the base plate is covered by a cap-shaped canopy.</p> |