Bus duct plug-in ground stab
First Claim
1. A multiphase electrical power distribution apparatus comprising a section of bus duct including top and bottom walls and opposite side walls forming a housing, a plurality of multi-phase bus bars supported within the housing, a ground bar mounted on a side wall of the housing, one of the walls having an outlet opening, a plug-in unit detachably mounted on the bus duct, the plug-in unit being a box-like member having a bottom wall, the bottom wall including an aperture aligned with the outlet opening when the plug-in unit is attached to the bus duct, the plug-in unit having electrically conductive means extending through the opening and detachably engaging the multi-phase bus bars, ground conductor means within and electrically connected to the plug-in unit and comprising a flexible conductor extending through the opening, and the conductor being biased in detachable contact with the ground bar in the bus duct.
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Accused Products
Abstract
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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Citations
5 Claims
- 1. A multiphase electrical power distribution apparatus comprising a section of bus duct including top and bottom walls and opposite side walls forming a housing, a plurality of multi-phase bus bars supported within the housing, a ground bar mounted on a side wall of the housing, one of the walls having an outlet opening, a plug-in unit detachably mounted on the bus duct, the plug-in unit being a box-like member having a bottom wall, the bottom wall including an aperture aligned with the outlet opening when the plug-in unit is attached to the bus duct, the plug-in unit having electrically conductive means extending through the opening and detachably engaging the multi-phase bus bars, ground conductor means within and electrically connected to the plug-in unit and comprising a flexible conductor extending through the opening, and the conductor being biased in detachable contact with the ground bar in the bus duct.
Specification