Core TradesQuestion 133 of 700
AFCI (arc-fault circuit interrupter) protection is generally required for branch circuits supplying which of the following in a dwelling?
a.120-volt circuits serving most habitable rooms such as bedrooms and living rooms
b.Only the outdoor receptacles
c.Only the service equipment
d.Only exterior landscape lighting
Explanation
AFCI protection is required on 120-volt, 15- and 20-amp branch circuits serving most habitable areas (bedrooms, living rooms, hallways and similar) to detect dangerous arcing that can start fires. It is not limited to outdoor receptacles, service equipment, or landscape lighting.
Law Reference: 2025 CA Electrical Code, Art. 210.12Practice all 700 questions free — no signup required.
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