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FAQ

Cost of converting to LED?

Use our easy conversion table to find out how much you could save by switching to LEDs. download here

What is ETL?

Intertek Testing Services, an independent testing laboratory designated by the FAA to analyze and determine the manufacture and function of the various lighting and marking products to meet the parameters set forth in AC 150/5345-43F.  To view this Advisory Circular click here.

When does a structure need to be lit?

Most structures that are over 200 feet from ground level are required, by the FAA, to be lit. Some exceptions to this rule include buildings that have architectural lighting. Buildings that have architectural light but also have an antenna extending above 200 feet have to light the antenna, example: Sears Tower. Also structures within 5 nautical miles of airports require aviation obstruction lighting. For complete guidelines see our regulations page by clicking here.

Why LED over other options?

A. LEDs are less expensive to operate – see chart below

Energy Usage compared

B. LEDs have a longer life cycle, thus cutting maintenance and repair cost

LEDs = 7-10 year life cycle
Strobe = 3 year life cycle
Incandescent = 1 year or less life cycle

C. LED lighting systems are more compact – thus lowering the wind load impact on towers and other structures.

What is aviation obstruction lighting?

Aviation Obstruction Lighting refers to the lighting required by the FAA on all structures over 200 feet from ground level. These structures can include buildings, bridges, cell towers, broadcast towers, and even amusement rides. Lighting of structures at night is always required but structures that are painted to meet FAA regulations don’t require day time lighting. To learn more about the FAA regulations visit our regulations page under Lighting. 

To submit a question please email dara.mayfield@spx.com