Moderate
Which of the following devices may be used to provide protection against lightening over voltages?
Correct answer: D. All of the above
- A. Horn gaps
- B. Rod gaps
- C. Surge absorbers
- D. All of the above
Explanation
Horn gaps, rod gaps and surge absorbers all provide paths or attenuation for lightning surges, protecting insulation and equipment from overvoltage. Therefore, the inclusive option is applicable.
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