Stack lights (also known as signal tower lights, indicator lights, andon lights, warning lights, industrial signal lights, or tower lights) are commonly used on equipment in industrial manufacturing and process control environments to provide visual and audible indicators of a machine’s status to machine operators. Light towers are used when illumination is required but not otherwise available, both outdoor and indoor, usually temporarily. Example activities are construction, mining, motion picture production, demolition, emergency services, sport or agricultural sectors.
A lighthouse is a tower topped with a very bright light called a beacon. The beacon is used by sailors to help guide their ship at night. Lighthouses come in all shapes and sizes. Common Andon Configurations. These lights correspond to the status of a work area. Green indicates a normal condition. Yellow signifies a need for help, and red means production has stopped, or soon will.
“Light-tower power” is a commonly-used baseball scouting expression that is hardly ever more than a hyperbolic means of saying that a player can hit the ball really, really far. The towers are made of pressed cement blockwork around a reinforced concrete core—solid and built to last. Over time, the role of the towers has expanded. Today they provide power, data, sound and video connectivity for external broadcasters.
