CharIN Supports Appeal to National Electric Code 

Under the National Fire Protection Agency (NFPA), revisions to the 2026 edition of the National Electric Code (NEC) have sparked debate within the EV charging industry, particularly regarding Article 625.54. CharIN recently submitted a letter in support of appeals filed by industry stakeholders, highlighting significant concerns about the proposed language. 

Historically, GFCI protection was introduced in the 1990s to safeguard users of low-power household appliances – typically 5–10 A – from electric shock. These devices trip when leakage currents exceed 5 mA, ensuring safety in locations such as kitchens, garages, and bathrooms. Modern L2 EVSE, however, draw higher currents and incorporate built-in Charge Current Interrupting Devices (CCID20) as specified under UL 2231-1 and UL 2231-2. This protection is designed to handle the unique electrical characteristics of EV AC charging, which can include current fluctuations larger than those seen in conventional appliances. UL confirms that CCID20 functionality provides sufficient protection for users and serves as a uniform certification method for EVSE. 

CharIN has urged the NFPA Standards Council to align the NEC with established SAE standards, such as SAE J1772 and SAE J3400, which already define equipment requirements and certification pathways incorporating CCID20. The proposed 2026 NEC language, however, mandates conventional GFCI protection for both pluggable cordset and hardwired EVSE, creating potential for “nuisance tripping” in garages and other installation locations. While conventional GFCIs were designed for lower-power appliances, they can interfere with the operation of modern L2 chargers – even though these devices are already UL-certified and safe. 

This misalignment risks confusion among manufacturers, installers, and consumers, potentially undermining confidence and creating inconsistent or unreliable charging experiences. CharIN’s appeal calls for NEC provisions that recognize existing industry standards and certification methods, ensuring public safety while avoiding unnecessary barriers to EVSE installation and reliable operation.