| 摘要 |
PURPOSE: Power distribution facilities are provided to prevent the interrupt of supplying power by informing a manager of tray damage and the abnormality of a power distribution line. CONSTITUTION: A power distribution pipe(10) is laid under underground. A fixture(20) is arranged inside the power distribution pipe in longitudinal direction. A rail is formed on the fixture in transverse direction. A tray(30) is inserted into the rail of the fixture. A plurality of power distribution lines are accepted in the tray. The protection pipe is laid from the power distribution pipe to the ground. A rising guide rod is installed the rail and protective pipe of the fixture and is movable. A display plate indicates the abnormality of the power distribution line. |
