EVSE load tests for AC Systems · 3.40. Electric Vehicle Fueling Systems

What is the acceptance tolerance (new or newly repaired device) for EVSE load tests for AC Systems · 3.40. Electric Vehicle Fueling Systems?

For EVSE load tests for AC Systems, handbook 44 section is 3.40. Electric Vehicle Fueling Systems; acceptance tolerance (new or newly repaired device) is 1.0 %; maintenance tolerance (device already in service) is 2.0 %; edition is 2026, verified against its source on 2026-08-20.

T.2.1. EVSE Accuracy Test Tolerances for AC Systems. – The tolerances for EVSE load tests for AC Systems are: (a) Acceptance Tolerance: 1.0 %; and (b) Maintenance Tolerance: 2.0 %.

— nist.gov, retrieved 2026-08-20