The 2017 edition of the National Electrical Code® (NEC®), section 210.12 provides the installation requirements for arc-fault protection on branch circuits. Check your knowledge on these 2017 NEC ...
A. Arc-fault circuit-interrupter (AFCI) protection must be provided in accordance with Sec. 210.12(A), (B) and (C). AFCI devices must be installed in readily accessible locations. (A) All 15A or 20A, ...