SC Public Utilities Electrical Practice Questions - South Carolina Public Utilities - Electrical Contractor Examination Exam

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Under the NESC, the clearance from a supporting structure, support arm, or attached equipment to a fire hydrant shall be not less than:

12 inches, with no exception 4 ft, except that 3 ft is allowed where conditions do not permit 4 ft 15 ft behind every curb 22 ft, the same as the railroad-structure height trigger

Correct Answer:

4 ft, except that 3 ft is allowed where conditions do not permit 4 ft

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