I think it just goes over the top of the box and plugs into an outlet on/in the station. It probably goes overhead to either avoid a tripping hazard or the cord is too short...
John I.
Fire/EMS Dispatcher / EMT-B
Fire Apparatus Photographer / Hobbyist
www.fireapparatusphotos.com
www.flickr.com/image7801
Nikon D5600 (retired: Nikon D90) / Nikkor 18-55mm f3.5-5.6 / Nikkor 35mm f/1.8
Fire/EMS Dispatcher / EMT-B
Fire Apparatus Photographer / Hobbyist
www.fireapparatusphotos.com
www.flickr.com/image7801
Nikon D5600 (retired: Nikon D90) / Nikkor 18-55mm f3.5-5.6 / Nikkor 35mm f/1.8