Should an air terminal be mounted within 2 inches of any outside building corner?

Mounting an air terminal within 2 inches of any outside building corner is not recommended because it can lead to increased risk of the lightning conductor being ineffective. When an air terminal is too close to a corner, it may not properly capture the electrical discharge during a lightning strike, which could result in an incomplete dissipation of the energy. Adequate spacing is essential to ensure that the air terminal functions effectively and directs the electrical charge safely down into the grounding system.

The requirement for maintaining a certain distance from corners allows for a more effective capture of electricity and helps to create a safer environment for the structure and its occupants. This is critical for the reliability of the lightning protection system. Therefore, the guidelines specify that air terminals must be installed at least 2 inches away from any outside building corner to ensure optimal performance and safety.