| 摘要 |
<p>Metal clad three phase switchgear the casing of which accommodates not only the ordinary conductors for the respective phases of the switchgear but also a terminal conductor (29) leading through a wall of the casing to the outside and a switch (11), by means of which each phase conductor (12, 13, 14) can be individually connected for test purposes with said terminal conductor either directly or through a test transformer (9), if used.</p> |
