Question
Where should the station’s lightning protection ground system be located?
Answer Options
- A) As close to the station equipment as possible
- B) Outside the building
- C) Next to the closest power pole
- D) Parallel to the water supply line
Correct Answer: B
Explanation
The station’s lightning protection ground system is designed to provide the shortest, lowest-impedance path for a lightning strike to safely discharge into the earth. The most effective way to ensure this is through proper placement.
According to best practice and National Electrical Code (NEC) 810.21, the lightning protection ground system should be located outside the building. This ensures that the massive current from a lightning strike remains outside the structure, minimizing the risk of fire and flashover damage inside the operating area.
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