Technical FAQs

Ask a Question

Are arc-fault (AFI) breakers required on 240Vac bedroom circuits, such as for an air conditioner?

No. The NEC requires AFI only on circuits rated 125V.

210.12 Arc-Fault Circuit-Interrupter Protection
Dwelling Unit Bedrooms. All branch circuits that supply 125-volt, single-phase, 15- and 20-ampere outlets installed in dwelling unit bedrooms shall be protected by an arc-fault circuit interrupter listed to provide protection of the entire branch circuit.a

CTA-ID : 9727
Was this helpful?
What can we do to improve the information ?