| 摘要 |
A multi-phase electrical power distribution apparatus characterized by a section of bus duct having a plurality of multi-phase bus bars supported therein, a ground bar within the bus duct, an insulated outlet opening in one wall of the bus duct, a plug-in unit detachably mounted on the bus duct and having electrically conductive means extending through the opening and attached to the bus bars, and a ground conductor extending through the opening and being detachably connected to the ground bar.
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