Não - o 2014 NEC só chama AFCIs para tomadas de 120V, 15 e 20A - o secador é de 240V, por isso não precisa de um AFCI.
210.12 Arc-Fault Circuit-Interrupter Protection. Arc- fault circuit-interrupter protection shall be provided as required in 210.12(A) (B), and (C). The arc-fault circuit interrupter shall be installed in a readily accessible location.
(A) Dwelling Units. All 120-volt, single-phase, 15- and 20-ampere branch circuits supplying outlets or devices installed in dwelling unit kitchens, family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways, laundry areas, or similar rooms or areas shall be protected by any of the means described in 210.12(A)(l) through (6):