Practice question

Per NEC Article 760 as adopted in Alaska, what are the two main classifications of fire alarm circuits?

  1. High voltage and low voltage
  2. Power-limited fire alarm (PLFA) and non-power-limited fire alarm (NPLFA)
  3. Indoor and outdoor
  4. Analog and digital

Answer: B — Power-limited fire alarm (PLFA) and non-power-limited fire alarm (NPLFA)

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