Importance

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Abstract

An electrical device is described having surface mounting structure for mounting the electrical device in one of at least three different mounting patterns. In one embodiment, the electrical device is a lampholder having an occupancy sensor. In this embodiment, the occupancy sensor defines a coverage area and an un-coverage area when the lampholder is mounted to a surface, such as a ceiling, via the surface mounting structure; and, the surface mounting structure includes four sets of keyholes enabling the lampholder to be mounted to fasteners on the surface in one of a plurality of different mounting patterns for positioning the un-coverage area in a desired location, such as, for example, opposite the closest entry point to a room. The coverage area corresponds to a detection field of the occupancy sensor. Motion in the detection field is detected by the occupancy sensor.

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First Claim