| 摘要 |
<p>PURPOSE:To improve efficiency in connection work for connecting a breaker to a bus duct. CONSTITUTION:A breaker and a bus conductor 13 are provided in a frame box, and the bus conductor 13 has a connection conductor 16 mounted with a bolt 15a and a nut 15b. A power line 18a of the breaker is put in a gap between a bus conductor 13 and a connection conductor 16, and the nut 15b is turned to join the bus conductor 13 together with the connection conductor 16 closely so that the power line 18a is connected to the bus conductor 13.</p> |
