Question 2005 of 749 · Maryland Journeyperson Electrician Exam
Overhead service conductors cross a public street that is subject to truck traffic. What is the minimum vertical clearance above the street?
Exactly one answer is correct.
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Correct answer to question 2005
- B: 18 ft
Explanation
Public streets, alleys, roads, parking areas subject to truck traffic and driveways on other than residential property require 18 ft of clearance. The 24.5 ft value applies over railroad tracks. See 230.24(B).
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