Antenna conductors for transmitting stations attached to buildings must be clear of the surface by how much distance?

The requirement for antenna conductors attached to buildings is set forth to ensure safety and reduce the risk of electrical hazards. The correct answer, which specifies a clearance of 3 inches, is based on national code requirements that dictate how much space must be maintained to prevent contact with the building structure.

A clearance of 3 inches ensures that the antenna conductors are adequately distanced from combustible materials and potential sources of electrical interference or grounding paths. This distance helps to minimize the likelihood of arcing or accidental contact with the building, which could pose safety risks. Additionally, this separation assists in maintaining signal integrity and helps to protect both the transmission system and the building from electrical disturbances.

Adhering to this specific clearance regulation safeguards both the equipment and the building's occupants, promoting a safer environment overall.