What is the minimum number of arc-fault circuit interrupters required for a 2-family dwelling unit?

Texas Master exam practice question · Services & Derived Systems

What is the minimum number of arc-fault circuit interrupters required for a 2-family dwelling unit?

Exam tip

Be aware of the specific requirements for arc-fault circuit interrupters in different types of residential buildings as per the NEC.

Why B is correct

According to 2026 NEC 210.12(A), the minimum number of arc-fault circuit interrupters required for a 2-family dwelling unit is 2. The other options do not meet the code requirements.

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What is the minimum number of arc-fault circuit interrupters required for a 2-family dwelling unit?

What is the minimum number of arc-fault circuit interrupters required for a 2-family dwelling unit?

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