| 摘要 |
PROBLEM TO BE SOLVED: To provide a replacement method of an electric switchboard and a guide rail used for them, capable of safely and surely replacing the electric switchboard without having to perform a complicated operation, and generating an extra length of a cable.SOLUTION: A replacement method of an electric switchboard, for replacing an old electric switchboard mounted to a channel base having a lead-in port for a cable to a new electric switchboard, comprises: a new electric switchboard temporarily installing (S1) for temporally setting a new electric switchboard so as to be opposite to a front surface of the old electric switchboard; a guide rail setting step (S2) for setting a guide rail for moving the new electric switchboard to a tracing position of the old electric switchboard; a new cable connection step (S3) for connecting the new cable to the new electric switchboard; an old cable detaching step (S4) for removing the old cable connected to the old electric switchboard; an old electric switchboard removal step (S5) for removing the old electric switchboard in which the old cable is removed; and a new electric switchboard moving step (S6) for moving the new electric switchboard to the tracing position through the guide rail.SELECTED DRAWING: Figure 1 |
