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<br />Stallcup's Illustrated Code Changes - 2008 <br /> <br />NEe Ch. 2 - Article 210 <br />Part 1- 210.12(8) <br /> <br />Et).12 <br /> <br /> <br />3488 <br /> <br />CMP: <br /> <br />2005NEC: 210.12(B) <br /> <br />IEC:- <br /> <br />2005 NE;C - 210.12 Arc-Fault Circuit-Interrupter Protection. <br /> <br />(B) Dwelling Unit Bedrooms. All 120-volt, single phase, 15- and 20-ampere branch circuits supplying outlets <br />Installed in dwelling unit bedrooms shall be protected by a listed arc-fault circuit interrupter, combination type <br />installed to provide protection of the branch circuit. <br />";;. <br />I3ranch/feeder ArCls shall be permitted to be used to meet the requirements of 21 0.12(0) until January 1,2008. <br /> <br />FPN-:- For information orf types of arc-fault circuit interrupters, see UL 1699-1999, Standard for Arc-Fault Circuit <br />Interrupters. <br /> <br />2008 NEC - 210.12 Arc-Fault Circuit-Interrupter Protection. <br /> <br />: ~ (B) Dwelling Unit.s..AII120-volt, single phase, 15- and 20-ampere branch circuits supplying outlets installed in <br />i dwelling unit in family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sun rooms, recreation <br />rooms, closets, hallways, or similar rooms or areas shall be protected by a listed arc-fault circuit interrupter, <br />combination type installed to provide protection of the branch circuit. <br /> <br />FPN No.1: For information on types of arc-fault circuit interrupters, see UL 1699-1999, Standard for Arc-Fault <br />Circuit Interrupters. <br /> <br />FPN No.2: See 11.6.3(5) of NFPA 72@-2007, National Fire Alarm Code@, for information related to secondary <br />power supply requirements for smoke alarms installed in dwellfng units. <br /> <br />FPN No.3: See 760.41 (8) and 760.121 (8) for power-supply requirements for fire alarm systems. <br /> <br />Exception NO.1: Where RMC, IMC, EMT or steel armored cable, Type AC, meeting the requirements of 250.118 <br />using metal outlet and junction boxes is installed for the portion of the branch circuit between the branch-circuit <br />overcurrent device and the first outlet, it shall be permitted to install a combination AFCI at the first outlet to <br />provide protection for the remaining portion of the branch circuit. ' <br /> <br />Exception No.2: Where a branch circuit to a fire alarm system installed in accordance with 760.41 (8) and <br />760.121(8) is installed in in RMC, IMC, EMT, or steel armored cable, Type AC, meeting the requirements of <br />250.118, with metal outlet and junction boxes, AFCI protection shall be permitted to be omitted. <br /> <br />Author's Comment: A new Exception No. 1 has been added to permit a combination AFCI to be <br />installed at the first outlet to provide protection for the remaining portion of the branch circuit where <br />RMC, IMC, EMT or steel armored cable, Type AC, meeting the requirements of 250.118 using metal <br />outlet and junction boxes is installed for the portion of the branch circuit between the branch-circuit <br />overcurrent device and the first outlet. A n'ew Exception NO.2 hqs been added permitting rigid metal <br />conduit, intermediate metal conduit, or electrical metallic tubing to protect the branch circuit supplying <br />a fire alarm system branch ciruit in lieu of an AFCI device. <br /> <br />