This page contains links to the FCC and FAA web sites explaining height limits for towers and other structures and when they must be marked with red and white paint or white strobe lights in the daytime and red lights at night. As of 2019, the Federal Aviation Administration (FAA) released new requirements for tower marking. Any landowners are now required to mark any towers between 50′ to 200′ on their property. Each color serves as a visual cue for specific operational conditions. Workers rely on these signals to understand equipment status quickly. Red obstruction light for night marking for towers with red and white stripes For towers below 45 meters high: For towers between 45m and. An LED signal tower light — also called a stack light, andon light, or industrial signal tower — is a visual and audible indicator used to display the operating status of machines and industrial processes. These lights are widely used in manufacturing, packaging, CNC machining, robotics, and.
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