Editor-in-Chief Ellen Parson and NEC Expert Russ LeBlanc discuss some of the most significant changes to the 2023 edition of the National Electrical Code. This episode looks at Sec. 680.5 Ground-Fault Circuit-Interrupter (GFCI) and Special Purpose Ground-Fault Circuit-Interrupter (SPGFCI) Protection. Russ breaks down everything you need to know about how this section was revised/expanded to include special-purpose GFCIs with subdivisions: (A) general requirements (B) GFCIS for applications up to 150V to ground and (C) SPGFCIs for applications over 150V to ground.