Based on the 2023 NEC.
Question: Overhead service conductors shall have what?
- Adequate mechanical strength
- Sufficient ampacity to carry the load
- Both a & b
- Either a or b
See answer below.
Answer: c
Explanation: Section 230.23 (A) states, "Conductors shall have sufficient ampacity to carry the current for the load as calculated in accordance with Parts II through V of Art. 220 and shall have adequate mechanical strength."
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]