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An adjustable occupancy sensor capable of being secured to a light fixture includes a housing having a side and a bottom, a sensor assembly attached to the housing at the bottom of the housing, and an adjustable mounting assembly provided on the side of the housing. The adjustable mounting assembly

An adjustable occupancy sensor capable of being secured to a light fixture includes a housing having a side and a bottom, a sensor assembly attached to the housing at the bottom of the housing, and an adjustable mounting assembly provided on the side of the housing. The adjustable mounting assembly includes a slot defined in the side of the housing and a track having a plurality of segments extending along the length of the track. The track is configured to be releasably secured to the side of the housing within the slot, the plurality of segments being configured to be breakable from the track to adjust a length of the track. The adjustable mounting assembly further includes a connector molded or otherwise secured to the track to connect the housing of the adjustable occupancy sensor to the light fixture. Other embodiments and methods are disclosed herein.

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1. An adjustable occupancy sensor for a light fixture, the adjustable occupancy sensor comprising: a housing having a side and a bottom;a sensor assembly attached to the housing at the bottom of the housing; andan adjustable mounting assembly provided on the side of the housing, the adjustable mount

1. An adjustable occupancy sensor for a light fixture, the adjustable occupancy sensor comprising: a housing having a side and a bottom;a sensor assembly attached to the housing at the bottom of the housing; andan adjustable mounting assembly provided on the side of the housing, the adjustable mounting assembly including an elongated slot formed in the side of the housing,a track configured to be releasably secured to the side of the housing within the elongated slot in a desired position along a length of the elongated slot, anda connector coupled to the track to connect the housing of the adjustable occupancy sensor to the light fixture,wherein the track has a plurality of segments extending along the length of the track, the plurality of segments being configured to be breakable from the track to adjust a length of the track and a position of the connector with respect to housing. 2. The adjustable occupancy sensor of claim 1, wherein the sensor assembly includes a circuit board configured to be secured to the housing, the circuit board having an electronic controller and at least one sensor coupled to the electronic controller, the sensor being configured to detect the presence of a person in a room. 3. The adjustable occupancy sensor of claim 1, wherein the connector includes a threaded portion and a threaded fastener configured to be threadably connected to the threaded portion, the threaded portion and the threaded fastener being constructed and arranged to secure the housing of the adjustable occupancy sensor to a housing of the light fixture. 4. The adjustable occupancy sensor of claim 1, wherein the segments of the track are defined by grooves formed in the track between adjacent segments, and wherein the segments are constructed and arranged to be removable from the track and inserted into the elongated slot adjacent the track. 5. The adjustable occupancy sensor of claim 4, wherein the grooves extend in a direction perpendicular to a direction of a length of the track. 6. The adjustable occupancy sensor of claim 1, wherein the housing includes a pair of rail members defining the elongated slot, the track being configured to be releasably secured to the pair of rail members and positioned within the elongated slot. 7. The adjustable occupancy sensor of claim 6, wherein the track includes an interconnect configuration adapted to mate with an interconnect configuration of the pair of rail members. 8. The adjustable occupancy sensor of claim 6, wherein the track is slidable within the elongated slot to position the connector at a desired height with respect to the bottom of the housing. 9. A method of installing an occupancy sensor on a light fixture having an opening positioned to access wiring of the light fixture, the method comprising: providing an adjustable occupancy sensor having a housing and a track releasably securable to the housing within an elongated slot formed in the housing, the track forming part of the housing of the occupancy sensor when attached to the housing;releasably securing the housing of the occupancy sensor to the track within the elongated slot along a length of the elongated slot in a position in which a bottom surface of the housing of the occupancy sensor is at a desired position with respect to a bottom of the light fixture when installing the occupancy sensor to the light fixture;securing the track to the light fixture, the track having a connector configured to be inserted within the opening in the light fixture; andbreaking off a portion of the track so that a bottom of the track is flush with the bottom of the light fixture. 10. The method of claim 9, further comprising inserting the broken off portion of the track within an opening of the housing of the occupancy sensor to block access to an interior of the occupancy sensor. 11. An adjustable occupancy sensor configured to be secured to any one of a plurality of light fixtures, each of the light fixtures having a mounting opening located at a distance from a bottom of the light fixture with the distance being different for each light fixture, the adjustable occupancy sensor comprising: a housing having a side and a bottom;a sensor assembly attached to the housing; andmeans for adjustably securing the housing to the mounting opening of any one of the plurality of light fixtures to locate the sensor assembly at a desired position on one of the plurality of light fixtures, wherein the means for adjustably securing the housing to the light fixture includes a pair of rail members defining an elongated slot and a track releasably securable to the pair of rail members within the elongated slot along a length of the elongated slot,wherein the track has a plurality of segments extending along the length of the track, the track being configured to be releasably secured to the side of the housing within the elongated slot, the plurality of segments being configured to be broken from the track to adjust a length of the track and a position of the connector with respect to housing. 12. The adjustable occupancy sensor of claim 11, wherein the track includes a connector to connect the housing of the adjustable occupancy sensor to the mounting opening. 13. The adjustable occupancy sensor of claim 12, wherein the connector includes a threaded portion and a threaded fastener configured to be threadably connected to the threaded portion. 14. The adjustable occupancy sensor of claim 11, wherein the track includes an interconnect configuration adapted to mate with an interconnect configuration of the pair of rail members.