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Code Quiz: Sizing Overcurrent Protective Devices for Feeders or Branch Circuits Supplying EVSE
April 3, 2025
Based on the 2023 NEC.
Question: What is the requirement for sizing overcurrent protective devices for feeders or branch circuits supplying electric vehicle supply equipment (EVSE)?
See answer below.
Answer: Rating of 125% of the maximum load of the equipment.
Explanation: The answer to this question is found in Sec. 625.41 of the 2023 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]
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