| 摘要 |
An overhead wiring system for use in the suspended ceiling of a clean room includes a generally rectangular housing with closed top, side and end walls and a substantially open bottom. A plurality of movable panels are provided in the bottom to close the bottom wall, one or more of the panels having openings through which a power cord can pass. A barrier within the housing divides its interior into a wiring chamber and a power cord chamber, the wiring chamber having a terminal strip connectable with wires from an external conduit. A power cord is connected to the terminal strip, through the barrier and through one of the panels with a stress-relieving cord grip in each of the pass-through locations. The housing is supporting so as to be substantially coplanar with a suspended ceiling and without exerting stress on the ceiling.
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