How many amps does a home EV charger need?
Most home Level 2 EV chargers use 40 to 48 amps, operating on a 240-volt circuit. The U.S. electrical code mandates that continuous loads cannot exceed 80% of a circuit breaker’s maximum rating. This means a 40-amp EV charger needs a 50-amp breaker, while a 48-amp charger requires a 60-amp breaker.
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