Services, Grounding & BondingQuestion 53 of 120
What is the minimum clearance above a residential driveway for overhead service conductors limited to 150 volts to ground?
a.18 feet
b.10 feet
c.12 feet
d.15 feet
Explanation
Residential driveways and commercial areas not subject to truck traffic require 12 feet of clearance. The 10-foot clearance applies only above finished grade, sidewalks and platforms accessible to pedestrians, and 18 feet is required over public streets, alleys and roads.
Law Reference: 2023 NEC §230.24(B)Practice all 120 questions free — no signup required.
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