a DC system that was placed in service prior to January 1, 2025, and that is marked Class 5 · acceptance and maintenance tolerances · 3.40. Electric Vehicle Fueling Systems
For a DC system that was placed in service prior to January 1, 2025, and that is marked Class 5 · acceptance and maintenance tolerances · 3.40. Electric Vehicle Fueling Systems, device or commodity is a DC system that was placed in service prior to January 1, 2025, and that is marked Class 5; acceptance tolerance (new or newly repaired device) is 5.0 %; maintenance tolerance (device already in service) is 5.0 %; condition is acceptance and maintenance tolerances; handbook 44 section is 3.40. Electric Vehicle Fueling Systems, verified against its source on 2026-08-20.
- Device or commodity
- a DC system that was placed in service prior to January 1, 2025, and that is marked Class 5 verified
- Acceptance tolerance (new or newly repaired device)
- 5.0 % verified
- Maintenance tolerance (device already in service)
- 5.0 % verified
- Condition
- acceptance and maintenance tolerances verified
- Handbook 44 section
- 3.40. Electric Vehicle Fueling Systems verified
- Edition
- 2026 verified
What the source says
shall be as follows: (a) For a DC system that was placed in service prior to January 1, 2025, and that is marked Class 5, acceptance and maintenance tolerances are: 5.0 %. This paragraph T.2.2.(a) shall expire on January 1, 2034; after that date, all DC EVSEs shall be subject to the tolerances of paragraph T.2.2.(b).
— nist.gov, retrieved 2026-08-20
Source
- nist.govhttps://www.nist.gov/document/2026-nist-handbook-44-section-340