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Under NEC 210.12, what circuits must be protected?

The requirement is written. ``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.`` This includes outlets for receptacles, for lights, for fans, for smoke detectors and etc. in circuits that supply bedrooms.

CTA-ID : 10012
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