Compliance Hub

The authoritative reference on California EV charger Weights & Measures compliance, regulatory requirements, and certification standards.

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Why Compliance Matters

EV charger certification is not just regulatory compliance. It protects your customers, your business, and California's clean energy transition. Accurate measurement builds trust.

ChargeScale EV ensures your charging infrastructure meets California standards, protecting you from liability and enforcement action.

Key Regulations & Standards

California BPC Division 5
Commercial Measuring Devices
4 CCR Section 4002.11
EV Charger Accuracy Standards
EPO No. 52
Examination Procedure Outline for Retail EV Fueling Systems
AB 2037
County Sealer Jurisdiction Extension
NIST HB 44
Specifications, Tolerances, and Other Technical Requirements
CTEP Compliance
California Type Evaluation Program
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Key Compliance Points

01

Certification Required

All commercial EV chargers that bill by kWh must be certified by a CDFA-registered RSA before placed in service.

02

AB 2037 Impact

Public agencies operating EV chargers are now subject to county sealer jurisdiction and must comply with Weights and Measures standards.

03

Accuracy Standards

Strict accuracy tolerances apply: ±1% for Level 2 AC, ±2.5% for DC fast chargers. Regular recertification required.

Have Questions?

Check out our comprehensive FAQ page for answers to common questions about EV charger certification, compliance, and the certification process.

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