| 摘要 |
PROBLEM TO BE SOLVED: To enhance certainty and safety of a work during maintenance inspection or repair of a connection box provided with a fuse.SOLUTION: A connection box 200 has one or plural cable-way opening/closing devices 20 each of which has a single-throw level switch 10 switchable to ON or OFF and is selected from a group of a switch, a disconnector and a circuit breaker, a fuse connected electrically to the cable-way opening/closing device(s) 20, and a fuse box cover 50 which is mounted to the upper surface side of a fuse box 100 so as to be openable and closable. In the connection box 200, when the fuse box cover 50 is opened substantially upwards (in X-direction) or toward the lever switch 10 side (in Y-direction) under the state that the lever switch 10 is set to ON-state, all the lever switches 10 under the ON-state are switchable to OFF-state (in Z-direction). |
