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

The NESC communication-worker safety zone between supply space and communication space is commonly maintained at about:

4 inches at midspan for all primary voltages 40 inches 8 feet at the pole only 20 feet, matching the OSHA crane 20-foot power-line clearance

Correct Answer:

40 inches

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