| 摘要 |
An electrical enclosure or housing, such as a power inlet box, is constructed of weather resistant material and has a knockout opening formed in a wall member and a plug that can be removably seated in the knockout opening. The opening and the plug have complimentary geometries and thicknesses which enable the plug to be mounted flush with the exterior and interior wall surfaces of the wall member when seated in the knockout opening. The opening and plug are shaped such that a seated plug is normally removed by applying a blunt force to the plug from within the interior volume of the inlet box, and cannot be removed from the exterior of the box.
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