POL incandescent red steady-burning obstruction lights are used to mark tall structures that present hazards to air navigation. During the night, these lights warn pilots to stay clear of the obstruction when installed in accordance with FAA AC 70/7460-1 and applicable FCC and ICAO rules and
recommendations. Each POL includes a lens tether and ground wire. See OL110POL for more options
and for double POL’s.