In the Technical Licensing Studies Work book for passing the State Exam it has a question regarding lightning rods. "Electrical equipment shall be kept how far from a lightning rod before it must be grounded to the rod?"
It than gives you the answer where to look in Article 250-52.
In the NEC 96 code their is no article '52'
It goes from 250-51 - 250-53.
In NEC 2002 their is an Article 250-52, but no mention of the word 'Lightning rod'.
Is this exam question regarding a grounding electrode or lightning rod. I was under the impression that a lightning rod is to protect a structure form a lightning strike. Am I wrong? Any input would be appreciated.