What multiplier does 625.41 require when sizing the branch circuit for electric vehicle supply equipment (EVSE)?
Not quite. The answer is D: 125% of the maximum load, since EV charging is treated as a continuous load
625.41 treats electric vehicle charging as a continuous load, requiring the branch circuit and its overcurrent protection to be sized at 125% of the EVSE's maximum load — the same continuous-load logic that governs lighting and other steady loads elsewhere in the code, just applied to a newer equipment type.
Reference: NEC 2023 625.41 (EVSE Branch-Circuit Sizing)
Checked against multiple published sources
A Mike Holt 2023 NEC changes text places the 125 percent EVSE overcurrent rule at 625.41; an ECM article groups it under 625.40-625.41 without naming an edition. Neither is the code text.
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