Based on the 2020 NEC.
Question: What is the requirement for dedicated electrical space above a switchboard located outdoors?
See answer below.
Answer: The space equal to the width and depth of the equipment extending from grade to a height of 6 ft above the equipment must be dedicated to the electrical installation and cannot contain any piping or equipment foreign to the electrical installation.
Explanation: See Sec. 110.26(E)(2)(c) of the 2020 NEC.
Lupacchino is a senior design engineer with Gaylor Electric, Inc. in Noblesville, Ind. and serves as an alternate on NEC Code-Making Panel No. 3. He is currently licensed in more than 80 jurisdictions. He can be reached at [email protected].