| 摘要 |
A telescopic conduit passage assembly for extending conduit, such as electrical wiring, through a hole in an exterior wall of a structure. The telescopic conduit passage assembly includes a main tube and an extension tube each having a pair of opposite open ends. A first of the ends of the extension tube is slidably inserted into a first of the ends of the main tube. The main tube and the extension tube each have an outwardly radiating end flange adjacent a second of the ends of the respective tube.
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