SC Lightning Protection Practice Questions - South Carolina Lightning Protection Systems Contractor Examination Exam

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A rooftop metal body may be used as a strike-termination device without a dedicated air terminal when it is electrically continuous and has a metal thickness of not less than which value?

1/16 in (1.6 mm) 1/8 in (3.2 mm) 3/16 in (4.8 mm) 1/4 in (6.4 mm)

Correct Answer:

3/16 in (4.8 mm)

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