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Wednesday, June 13, 2018

Question:

Re: CQD answer published Friday, May 18, 2018 -EV Receptacle GFCI Protection & TIA's

Hi Charlie, I am writing in regards to the Q & A on May 17, 2018, regarding gfci protection of EV outlets in a dwelling unit. I have recently been cited by an inspector for not providing gfci protection for this very outlet. Now, I know the current code book does not state that it has to be, but the inspector referenced a TIA (that I have attached below) stating that it is enforceable and that 625.54 takes precedent over 210.8 because it is specific to EV Charging? When he notified me of the failed inspection, he started by saying "you wouldn't know this because it is not in the current code but there is a TIA"... Are TIA enforceable during the current code cycle? Thank you for any input you can give.

Thanks, Kevin Kriha

A

Answer:

Hey Kevin thanks for your comment and follow up question. You are correct and make an important point, we should have referenced Tentative Interim Amendment (TIA) 17-2 in the answer. It adds a new 625.54 which requires GFCI protection for all single phase electric vehicle charging receptacles rated 150 volts to ground or less and 50 amperes or less. That TIA is available (plus additional TIA's and other information) at nfpa.org/70. You might need to click on " Show More" to see everything.

The processing rules for TIA's can be found in Section 5 of the " Regulations Governing the Development of NFPA Standards" available at "nfpa.org/Regs". Also, at

"nfpa.org/70" anyone can sign up to "Receive Email Alerts" on the NEC and at "nfpa.org/Codes-and-Standards/Resources/NFPA-News" anyone can subscribe to NFPA News. Both can help keep you updated on NFPA Standards.

In general, TIA's become effective 20 days after Standards Council issuance, essentially modifying the Code or Standard as stated in 5.8 of the "Regs" - for NFPA purposes.

Whether or not they are enforceable depends on the adoption process used by the entity that adopts the NEC so that answer needs to come from them.

ABOUT CQD: The Code Question of the Day (CQD) is NECA and ELECTRICAL CONTRACTOR Magazine’s flagship National Electrical Code (NEC®) public forum for the industry, sponsored by EATON. The daily distribution of Q&A generates a lively dialogue and shares relative Code-based practical responses.

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CHARLIE TROUT: Charles M. Trout, better known as Charlie, was a nationally known NEC® expert and author. He served on several NEC® technical committees and is past chairman of CMP-12. In 2006 Charlie was awarded the prestigious Coggeshall Award for outstanding contributions to the electrical contracting industry, codes and standards development, and technical training. Even though Charlie passed away in October of 2015, his work continues in spirit. NECA continues to maintain this question forum for its many subscribers in memory and recognition of all his significant contributions to making the NEC what it is today.

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