At which height does the need for more sophisticated protection systems typically become necessary?

The need for more sophisticated lightning protection systems is generally recognized to arise when structures reach heights over 75 feet. At this height, the risk of a lightning strike occurring increases significantly due to the taller profile presented by the structure. This increased risk necessitates enhanced protection measures to adequately safeguard the building, its occupants, and equipment.

Structures above this height often call for special design considerations, including multiple air terminals (lightning rods) and extensive grounding systems, to ensure effective dissipation of lightning energy. The complexity of the system is warranted by not only the increased height but also the potential for more severe consequences in the event of a strike, given that taller structures can attract more intense lightning activity.

While lower heights might still require protection systems, the level of sophistication and the safeguards needed become more critical and pronounced as the height crosses the 75-foot threshold. This understanding allows for appropriate planning and implementation of lightning protection strategies tailored to the specific risks associated with higher structures.