Abstract: An overhead bridge crane detection system comprising a lidar sensor in communication with a controller, wherein the lidar sensor and the controller are located in a housing and the housing has a means for removable attachment to an overhead bridge crane or to maintenance equipment.

Abstract: Disclosed is a method of supplying power to a building equipment technician in the field comprising providing a movable power conversion device having a transformer, an input voltage selector, a building power interface cable, and a power receptacle; moving the movable power conversion device to a location proximate a building power grid and an area comprising building equipment; setting the input voltage selector to an unpowered position; connecting the building power interface cable to the building power grid; selecting a supply voltage of the building power grid with the input voltage selector.

Abstract: Disclosed is a motion detection device for monitoring movement of a component comprising a housing removably connectable to the component; an indicator arranged within the housing, the indicator being operable to indicate movement of the component; at least one sensor arranged within the housing, the at least one sensor configured to sense data in response to a gravitational force acting thereon; and a controller operably coupled to the at least one sensor and the indicator, the controller including an algorithm configured to determine when the motion detection device is moving and to operate the indicator when the motion detection device is moving.