210.12 AFCI Deep Dive - Shock Week 2026

In this Shock Week episode, Thomas Domitrovich sits down with Nihad to break down NEC 210.12 — Arc-Fault Circuit-Interrupter Protection and what changed in the 2023 National Electrical Code. This discussion walks through the structure of NEC 210.12, including the parent text, AFCI definitions, listing requirements, readily accessible installation requirements, and the six permitted methods of AFCI protection. Thomas and Nihad also explain the difference between operational arcs and arc faults, combination-type AFCIs, outlet branch-circuit AFCIs, branch/feeder AFCIs, dual-function AFCI/GFCI devices, and why understanding the code structure matters for installers, inspectors, engineers, and designers. Topics covered include: • What an AFCI is and how it detects arc faults • Why NEC 210.12 was reorganized in the 2023 NEC • The six permitted means of AFCI protection • Combination-type AFCI vs. dual-function AFCI/GFCI devices • Series and parallel arc faults • High-energy and low-energy arcing conditions • Dwelling unit AFCI requirements • Readily accessible device placement • How AFCI and GFCI protection work together to improve electrical safety Whether you are an electrician, inspector, engineer, contractor, designer, or code professional, this video provides a practical look at how AFCI protection is applied and why it remains an important part of reducing electrical fire hazards. #shockweek #AFCI #NEC21012 #nationalelectricalcode #NEC2023 #electricalsafety #ArcFaultProtection #AFCI #electricalcode #NFPA70 #GFCI #ElectricalTraining #Electricians #ElectricalInspectors #CodeChanges #PowerSystems #ElectricalEngineering #ThomasDomitrovich #TDUnplugged