Electrician's Licensing Practice Exam

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Above sidewalks accessible by pedestrians, what is the minimum height for a service drop not over 600V?

  1. 8 feet

  2. 10 feet

  3. 12 feet

  4. 14 feet

The correct answer is: 10 feet

The minimum height for a service drop above sidewalks accessible by pedestrians is established to ensure safety and prevent accidental contact with the service wires. When the voltage is not over 600V, the National Electrical Code (NEC) stipulates that the service drop should be a minimum of 10 feet above pedestrian walkways. This requirement is in place to reduce the risk of injury or electrical hazards as people walk underneath the wires. Other heights, such as 8 feet, 12 feet, or 14 feet, may not align with accepted codes or may exceed what is necessary for pedestrian safety. Therefore, maintaining a height of 10 feet strikes the right balance between safety and practicality for installations near pedestrian areas.

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